Asus PRIME B850M-A-CSM

Picture may differ from actual product, there can be accessories and parts not supplied with the actual product.
ID: 1229677 Product code: PRIME B850M-A-CSM
Can be ordered 24 units Availability: 14 days after order approval
Warranty: 3 years
190.29 €
Ready for dispatch
09.03.2026
starting from 1.99 €
Delivery options
  • Omniva parcel machine
    Within 1-2 working days
    1.99 €
  • SmartPosti parcel terminal
    Within 1-2 working days
    1.99 €
  • Unisend parcel terminal
    Within 1-2 working days
    1.99 €
  • Delivery by courier to the address
    Within 1-2 working days
    5.99 €
Main product parameters All parameters
  • Series: ASUS Prime
  • Plate size: mATX
  • Chipset: AMD B850
  • Socket: AM5
  • Type: DDR5
  • RAM Slots: 4
  • Built-in Wi-Fi: Nav
  • M.2 ports: 3
Basic information
Series : ASUS Prime
Plate size mATX

The physical size of the motherboard. TopPC.ee offers ATX (full size board), mATX (micro ATX) (a board of reduced size) and miniATX size motherboards. Within the housing of an ATX size computer it is possible to place both ATX and mATX motherboard, however, in the mATX housing it is not possible to place an ATX board.

The ATX board has at least 3 memory slots and at least 5 local slots PCI, which means that a well functioning powerful computer can be built on this board. However, a home or office computer does not need this high number of slots, therefore also microATX will be suitable.

The connector of the power supply unit of the motherboard is the power source socket which are currently of ATX and ATX2.0 standard. ATX is an older standard with a 20pin connector (20 "pins"), and ATX2.0 has 4 additional pins (20+4). The motherboards of ATX standard can operate with a ATX2.0 power supply unit (PSU), however the mother board of ATX2.0 standard requires an ATX2.0 power supply unit.

Form-factor is rather a recommendation. However, prior to buying a mother board you should verify the compatibility of the housing size to the motherboard size and its power supply connector.

Chipset AMD B850

The chip bus is the most important criterion of selecting the motherboard (the system logic chips or the voltage transformers). The chip bus determines the CPUs, memory ports and other parameters that are supported by the motherboard.

Each chipset is directly related to a certain CPU platform which are divided based upon the family of CPUs or the connection point of the CPU.

For verifying which chip bus is suitable for your CPU, etc. you should ask our managers.
Socket AM5
The CPU socket is an important factor in selecting the board; the CPU board must be exactly compatible with the CPU that you want to install with the board. Irrespective of the fact that the CPU fits the socket of the motherboard also the support of this CPU has to be taken into account. For verifying which CPUs are supported by the selected motherboard you should visit the website of the manufacturer of the motherboard, find the CPU support section of the relevant motherboard and verify that the specification of this particular board provides for the support of the CPU that you have selected.
Random-access memory (RAM)
Type : DDR5
RAM Slots 4
The number of available memory slots indicates the number of memory modules (plates) that can be installed in the motherboard.
Memory support DDR5 5200MHz (8000MHz OC)

The RAM bus determines what type of RAM is supported by the relevant motherboard.

The bus marking contains the memory type DDRII or DDRIII as well as the maximum memory clock frequency that is supported by the mother board. The type of memory is the most important index, memories of different types are physically different, therefore DDRIII memory cannot be connected to the mother board that supports DDRII memory (except the cases when the motherboard supports both types of memory). However the motherboard that support 800Mhz DDRII memory can work with the memory speeds of DDII667 and DDRII533. The mother board with the memory bus speed below the speed of the memory module will be able to operate as fast as the specified bus speed only, i.e. if the memory bus of the motherboard is DDRII667 and the memory DDRII800 is installed it will operate with the speed of DDRII667.

Graphics card
VGA Port PCI-EXPRESS
VGA port or the video card plug. The VGA port must comply with the specification of the video card port you have selected. Older video cards have an AGP port, new cards are manufacturer with a PCI-EXPRESS (PCI-X) port.AGP and PCI-Xpress video cards are not mutually compatible. Prior to buying the motherboard you should verify the compliance of the video card port of both the motherboard and the video card.
Integrated graphics Only with iGPU-ready APU

The parameter that determines whether a video card has been integrated with the motherboard. An integrated video card is suitable for working with the office software, Internet, watching films and playing simple games. If you wish to use graphics applications, play 3D games and watch 3D animations you would need an additional video card.

An integrated video card uses a fraction of the memory included in the mother board, therefore, if your motherboard has 1Gb memory and in the settings of the video card of the mother board it is stated that it takes 256mb the operating system will display the available memory volume of approximately 700 Mb.
Prior to buying a motherboard with a built-in video card you should verify whether it has an additional video card port for further upgrades if these are required

Ports and equipment
D-Sub : 0
DisplayPort : 1
DVI : 0
HDMI : 1
Integrated sound card : Realtek 7.1 Audio CODEC
PCI Ports 0
PCI ports present the most popular way of supplementing the computer functions with additional cards (sound, network, communications, video surveillance, etc.). Newer boards, thanks to the PCI-Express standard, have a small number of PCI extension ports, therefore, prior to buying the motherboard you should verify if the number of PCI ports allows the connection of all the PCI cards you need.
Wireless connections
Built-in Bluetooth : Nav
Built-in Wi-Fi : Nav
External ports
External USB 2.0 : 4
External USB Type-C (USB 3.2 Gen2) : 2
External USB Type-C (USB 4.0) : 0
External USB 3.0 (USB 3.2 Gen1) : 2
External USB 3.1 (USB 3.2 Gen2) : 2
Internal ports
Internal A-RGB 5V (3-pin) : 3
Internal RGB 12V (4-pin) : 0
Internal USB 2.0 : 2
Internal USB 3.0 : 1
Internal USB Type-C : 1
M.2 ports : 3
SATA3 ports : 4
More detailed specification
1st M.2 highest PCI Express generation Expansion slots - 5.0
1st M.2 largest key size Expansion slots - 2280
2nd M.2 highest PCI Express generation Expansion slots - 4.0
2nd M.2 largest key size Expansion slots - 2280
3rd M.2 highest PCI Express generation Expansion slots - 4.0
3rd M.2 largest key size Expansion slots - 2280
4th M.2 highest PCI Express generation Expansion slots - 4.0
4th M.2 largest key size Expansion slots - 2280
12V power connector Internal I/O - Yes
ATX Power connector (24-pin) Internal I/O - Yes
Audio output channels Features - 7.1 channels
BIOS - BIOS memory size - 256 Mbit
BIOS - BIOS type - UEFI AMI
BIOS memory size BIOS - 256 Mbit
BIOS type BIOS - UEFI AMI
Brand - ASUS
BrandPartCode - 90MB1LQ0-M0EAYC
Cables included Packaging content - SATA
Category - Motherboards
Category 1 - Mainboards & Zubehör
Category 2 - Mainboards - Intel
Category Code - MBA
Category_1 - Motherboards
Category_2 - Motherboards - AMD AM5
Chassis intrusion connector Internal I/O - Yes
CnCode - 84733020
Compatible processor series Processor - AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Component for Features - PC
Cooling type Features - Passive
CPU fan connector Internal I/O - Yes
Depth Weight & dimensions - 244 mm
Description - ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications. ASUS Corporate Stable Model
ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software. ASUS Control Center Express
ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs. Optimize IT endpoint management
Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely. Automate IT maintenance
Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility. Securely manage all of endpoints
Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices. Performance
AI Solutions
ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance. AI Advisor
ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way. Performance
Digital Power Design
PRIME B850M-A-CSM features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use. The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom. The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings. Enhanced Memory & Storage Performance
Enhanced DDR5 performance
Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850M-A-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.2
For entry-level modules without EXPO™ support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.
For those looking to surpass stock DDR5 speeds, the PRIME B850M-A-CSM offers extensive AMD Extended Profiles for Overclocking (EXPO™) support and a wide array of UEFI settings for further performance tweaks. Three M.2 slots (up to 128 Gbps)
PRIME B850M-A-CSM offers a total of three M.2 slots, including one that supports data-transfer speeds of up to 128 Gbps via PCIe 5.0, and two that support PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives. Cooling
Cooler by design
The PRIME B850M-A-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads. Smart Cooling precision ASUS Fan Xpert 2+
ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS. Cooler compatibility
ASUS AIO coolers offer robust performance, high overclocking potential, bold aesthetics and customizable functionality for new motherboards, empowering you to build your dream gaming rig. Flexibility
Empowering connections
This motherboard offers a versatile range of connectivity, including support for PCIe 5.0 slot and an arsenal of USB ports which includes Type-C® connections. Realtek 2.5 Gb Ethernet
Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers. Front USB 5Gbps Type-C®
This motherboard features a USB 5Gbps Type-C® front panel connector for speedy data transfers of up to 5Gbps. Customization
Personalization
The PRIME B850M-A-CSM enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic. UEFI BIOS
The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans. ASUS DriverHub
Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance. Armoury Crate
Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates. Aura Sync
Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware. Addressable Gen 2 RGB headers
Three addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly. Customization
DIY friendly
The PRIME B850M-A-CSM motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient. Pre-mounted I/O shield
Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts. BIOS FlashBack™
BIOS FlashBack™ simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack™ port, and press a button—no CPU or memory needed. SafeSlot
PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds. Q-LED Core
The Q-LED Core display produces color-coded lights during the Power-On Self-Test (POST) that can help you troubleshoot potential issues. Build for the most advanced pc for gaming and creating
When only the fastest will do, ASUS motherboards deliver. With faster dual-channel DDR5 memory support, AMD EXPO™ technology and PCIe® 5.0 support for both graphics and NVMe, you can play the most demanding games and deliver your biggest projects with the revolutionary performance of an ASUS motherboard and AMD Ryzen™ 9000, 8000, and 7000 Series processors.Availability of ASUS AI Advisor may vary by region.
AI Advisor functions may vary by platform. Memory overclocking may vary between CPU series. Please refer to the spec table for detailed information.
Supported memory types, data rates (speed), and number of DRAM modules vary depending on the CPU and memory configuration. For more information, please refer to the CPU/Memory Support List under the Support tab on the product information page or visit https://www.asus.com/support/download-center/.
Actual transmission speeds will be lower than the theoretical maximum speed.
DisplayPorts quantity Rear panel I/O ports - 2
DisplayPort version Rear panel I/O ports - 1.4
EAN - 4711636054706
EAN_code - 4711636054720
ECC сompatibility Memory - ECC & Non-ECC
EPS power connector (8-pin) Internal I/O - Yes
Ethernet interface type Network - 2.5 Gigabit Ethernet
Ethernet LAN (RJ-45) ports Rear panel I/O ports - 1
Ethernet LAN Network - Yes
Expansion slots - 1st M.2 highest PCI Express generation - 5.0
Expansion slots - 1st M.2 largest key size - 2280
Expansion slots - 2nd M.2 highest PCI Express generation - 4.0
Expansion slots - 2nd M.2 largest key size - 2280
Expansion slots - 3rd M.2 highest PCI Express generation - 4.0
Expansion slots - 3rd M.2 largest key size - 2280
Expansion slots - 4th M.2 highest PCI Express generation - 4.0
Expansion slots - 4th M.2 largest key size - 2280
Expansion slots - Number of M.2 (M) slots - 3
Expansion slots - PCI Express x16 (Gen 4.x) slots - 2
Expansion slots - PCI Express x16 (Gen 5.x) slots - 1
Features - Audio output channels - 7.1 channels
Features - Component for - PC
Features - Cooling type - Passive
Features - Motherboard chipset - AMD B850
Features - Motherboard chipset family - AMD
Features - Motherboard form factor - micro ATX
Features - Power source type - ATX
Features - Product colour - Grey
Features - Windows operating systems supported - Windows 10 x64, Windows 11
Front panel audio connector Internal I/O - Yes
Front panel connector Internal I/O - Yes
Graphics - Maximum resolution - 7680 x 4320 pixels
Graphics - Parallel processing technology support - Not supported
GTIN - 4711636054706
GTIN - 4711636054720
HDMI ports quantity Rear panel I/O ports - 1
HDMI version Rear panel I/O ports - 2.1
Headphone outputs Rear panel I/O ports - 1
Internal I/O - 12V power connector - Yes
Internal I/O - ATX Power connector (24-pin) - Yes
Internal I/O - Chassis intrusion connector - Yes
Internal I/O - CPU fan connector - Yes
Internal I/O - EPS power connector (8-pin) - Yes
Internal I/O - Front panel audio connector - Yes
Internal I/O - Front panel connector - Yes
Internal I/O - Number of chassis fan connectors - 3
Internal I/O - Number of COM connectors - 1
Internal I/O - Number of CPU fan connectors - 1
Internal I/O - Number of EPS power connectors (8-pin) - 1
Internal I/O - Number of RGB LED pin headers - 3
Internal I/O - Number of SATA III connectors - 4
Internal I/O - Peripheral (Molex) power connectors (4-pin) - 1
Internal I/O - RGB LED pin header - Yes
Internal I/O - S/PDIF out connector - Yes
Internal I/O - TPM connector - Yes
Internal I/O - USB 2.0 connectors - 2
Internal I/O - USB 3.2 Gen 1 (3.1 Gen 1) connectors - 2
Line-in Rear panel I/O ports - Yes
LongDesc - ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-A-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.ASUS Corporate Stable ModelASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.ASUS Control Center ExpressASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.Optimize IT endpoint managementDesigned to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely.Automate IT maintenanceAllows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility.Securely manage all of endpointsSecurely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices.PerformanceAI SolutionsASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.AI AdvisorASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.PerformanceDigital Power DesignPRIME B850M-A-CSM features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use.The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.Enhanced Memory & Storage PerformanceEnhanced DDR5 performanceComprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850M-A-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits.2For entry-level modules without EXPO™ support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.For those looking to surpass stock DDR5 speeds, the PRIME B850M-A-CSM offers extensive AMD Extended Profiles for Overclocking (EXPO™) support and a wide array of UEFI settings for further performance tweaks.Three M.2 slots (up to 128 Gbps)PRIME B850M-A-CSM offers a total of three M.2 slots, including one that supports data-transfer speeds of up to 128 Gbps via PCIe 5.0, and two that support PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.CoolingCooler by designThe PRIME B850M-A-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.Smart Cooling precisionASUS Fan Xpert 2+ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.Cooler compatibilityASUS AIO coolers offer robust performance, high overclocking potential, bold aesthetics and customizable functionality for new motherboards, empowering you to build your dream gaming rig.FlexibilityEmpowering connectionsThis motherboard offers a versatile range of connectivity, including support for PCIe 5.0 slot and an arsenal of USB ports which includes Type-C® connections.Realtek 2.5 Gb EthernetRealtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers.Front USB 5Gbps Type-C®This motherboard features a USB 5Gbps Type-C® front panel connector for speedy data transfers of up to 5Gbps.CustomizationPersonalizationThe PRIME B850M-A-CSM enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.UEFI BIOSThe UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.ASUS DriverHubSimplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.Armoury CrateCustomize Aura Sync RGB and control ASUS devices. Includes product registration and updates.Aura SyncComplete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.Addressable Gen 2 RGB headersThree addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.CustomizationDIY friendlyThe PRIME B850M-A-CSM motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.Pre-mounted I/O shieldOur pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.BIOS FlashBack™BIOS FlashBack™ simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack™ port, and press a button—no CPU or memory needed.SafeSlotPCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.Q-LED CoreThe Q-LED Core display produces color-coded lights during the Power-On Self-Test (POST) that can help you troubleshoot potential issues.Build for the most advanced pc for gaming and creatingWhen only the fastest will do, ASUS motherboards deliver. With faster dual-channel DDR5 memory support, AMD EXPO™ technology and PCIe® 5.0 support for both graphics and NVMe, you can play the most demanding games and deliver your biggest projects with the revolutionary performance of an ASUS motherboard and AMD Ryzen™ 9000, 8000, and 7000 Series processors.
LongProductName - PRIME B850M-A-CSM motherboard socket AMD AM5 (microATX, DDR5, PCIe 5.0, 3x M.2 slots, Realtek 2.5Gb Ethernet, DisplayPort, HDMI, BIOS FlashBack, Aura Sync, ASUS Control Center Express)
LongSummaryDescription - ASUS PRIME B850M-A-CSM. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 256 GB, Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. Maximum resolution: 7680 x 4320 pixels. Ethernet interface type: 2.5 Gigabit Ethernet
Manufacturer - Asus
Manufacturer - ASUS
Manufacturer_code - 90MB1LQ0-M0EAYC
Maximum internal memory Memory - 256 GB
Maximum internal memory per slot Memory - 64 GB
Maximum resolution Graphics - 7680 x 4320 pixels
Memory - ECC сompatibility - ECC & Non-ECC
Memory - Maximum internal memory - 256 GB
Memory - Maximum internal memory per slot - 64 GB
Memory - Memory channels - Dual-channel
Memory - Memory slots type - DIMM
Memory - Number of memory slots - 4
Memory - Supported memory clock speed (max) - 8000 MHz
Memory - Supported memory types - DDR5-SDRAM
Memory - Unbuffered memory - Yes
Memory channels Memory - Dual-channel
Memory slots type Memory - DIMM
Microphone in Rear panel I/O ports - Yes
Model - PRIME B850M-A-CSM
Motherboard chipset family Features - AMD
Motherboard chipset Features - AMD B850
Motherboard form factor Features - micro ATX
MPN - 90MB1LQ0-M0EAYC
Name - ASUS PRIME B850M-A-CSM - Socket AM5 - motherboard
Name - MB ASUS PRIME B850M-A-CSM
Network - Ethernet interface type - 2.5 Gigabit Ethernet
Network - Ethernet LAN - Yes
Network - Wi-Fi - No
Number of chassis fan connectors Internal I/O - 3
Number of COM connectors Internal I/O - 1
Number of CPU fan connectors Internal I/O - 1
Number of EPS power connectors (8-pin) Internal I/O - 1
Number of HDDs supported Storage controllers - 4
Number of M.2 (M) slots Expansion slots - 3
Number of memory slots Memory - 4
Number of RGB LED pin headers Internal I/O - 3
Number of SATA III connectors Internal I/O - 4
Number of storage drives supported Storage controllers - 7
Package depth Packaging data - 275 mm
Package height Packaging data - 67.5 mm
Package weight Packaging data - 1.45 kg
Package width Packaging data - 275 mm
Packaging content - Cables included - SATA
Packaging content - Screws included - Yes
Packaging data - Package depth - 275 mm
Packaging data - Package height - 67.5 mm
Packaging data - Package weight - 1.45 kg
Packaging data - Package width - 275 mm
Parallel processing technology support Graphics - Not supported
PCI Express x16 (Gen 4.x) slots Expansion slots - 2
PCI Express x16 (Gen 5.x) slots Expansion slots - 1
Peripheral (Molex) power connectors (4-pin) Internal I/O - 1
Power source type Features - ATX
Processor - Compatible processor series - AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor - Processor manufacturer - AMD
Processor - Processor socket - Socket AM5
Processor - Supported processor sockets - Socket AM5
Processor manufacturer Processor - AMD
Processor socket Processor - Socket AM5
Product colour Features - Grey
ProductName - PRIME B850M-A-CSM
RAID levels Storage controllers - 0, 1, 5, 10
RAID support Storage controllers - Yes
Rear panel I/O ports - DisplayPorts quantity - 2
Rear panel I/O ports - DisplayPort version - 1.4
Rear panel I/O ports - Ethernet LAN (RJ-45) ports - 1
Rear panel I/O ports - HDMI ports quantity - 1
Rear panel I/O ports - HDMI version - 2.1
Rear panel I/O ports - Headphone outputs - 1
Rear panel I/O ports - Line-in - Yes
Rear panel I/O ports - Microphone in - Yes
Rear panel I/O ports - USB 2.0 ports quantity - 4
Rear panel I/O ports - USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity - 2
Rear panel I/O ports - USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity - 2
RGB LED pin header Internal I/O - Yes
S/PDIF out connector Internal I/O - Yes
Screws included Packaging content - Yes
ShortSummaryDescription - ASUS PRIME B850M-A-CSM, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series, Socket AM5, DDR5-SDRAM, 256 GB
Storage controllers - Number of HDDs supported - 4
Storage controllers - Number of storage drives supported - 7
Storage controllers - RAID levels - 0, 1, 5, 10
Storage controllers - RAID support - Yes
Storage controllers - Supported storage drive interfaces - PCI Express 4.0, PCI Express 5.0
Storage controllers - Supported storage drive types - HDD & SSD
Summary - ASUS PRIME B850M-A-CSM. Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor series: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. Supported memory types: DDR5-SDRAM, Maximum internal memory: 256 GB, Memory slots type: DIMM. Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 5, 10. Maximum resolution: 7680 x 4320 pixels. Ethernet interface type: 2.5 Gigabit Ethernet
Supported memory clock speed (max) Memory - 8000 MHz
Supported memory types Memory - DDR5-SDRAM
Supported processor sockets Processor - Socket AM5
Supported storage drive interfaces Storage controllers - PCI Express 4.0, PCI Express 5.0
Supported storage drive types Storage controllers - HDD & SSD
Title - ASUS PRIME B850M-A-CSM AMD B850 Socket AM5 micro ATX
TPM connector Internal I/O - Yes
Unbuffered memory Memory - Yes
Unit Box Height - 0.277
Unit Box Length - 0.28
Unit Box Width - 0.07
Unit Calculated Volume - 0.006102 cubm
Unit Calculated Weight - 1.46 kg
Units per Shipping Box - 10
URL - https://www.asus.com/motherboards-components/motherboards/csm/prime-b850m-a-csm/
USB 2.0 connectors Internal I/O - 2
USB 2.0 ports quantity Rear panel I/O ports - 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors Internal I/O - 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity Rear panel I/O ports - 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity Rear panel I/O ports - 2
Vendor Homepage - https://www.asus.com/motherboards-components/motherboards/csm/prime-b850m-a-csm/
Warranty - 36 months
WarrantyInfo -
Weight - 1,35
Weight - 1.34
Weight & dimensions - Depth - 244 mm
Weight & dimensions - Width - 244 mm
Wi-Fi Network - No
Width Weight & dimensions - 244 mm
Windows operating systems supported Features - Windows 10 x64, Windows 11
190.29 €
Asus PRIME B850M-A-CSM
Intel technology provider Platinum 2020
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