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PRIME B850M-A-CSM
- AMD Socket AM5 AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- PC micro ATX AMD B850 7.1 channels
- DDR5-SDRAM 4 DIMM Maximum internal memory: 256 GB
- HDD & SSD PCI Express 4.0, PCI Express 5.0 RAID support Number of storage drives supported: 7
- BIOS type: UEFI AMI 256 Mbit
- 2.5 Gigabit Ethernet
Similar Products
Overview
ASUS PRIME B850M-A-CSM AMD B850 Socket AM5 micro ATX
Specifications
Processor
- Processor manufacturer
- AMD
- Processor socket
- Socket AM5
- Compatible processor series
- AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
- Supported processor sockets
- Socket AM5
Memory
- Supported memory types
- DDR5-SDRAM
- Number of memory slots
- 4
- Maximum internal memory
- 256 GB
- Memory slots type
- DIMM
- Memory channels
- Dual-channel
- ECC сompatibility
- ECC & Non-ECC
- Supported memory clock speed (max)
- 8000 MHz
- Unbuffered memory
- Yes
- Maximum internal memory per slot
- 64 GB
Storage controllers
- Supported storage drive interfaces
- PCI Express 4.0, PCI Express 5.0
- Supported storage drive types
- HDD & SSD
- Number of HDDs supported
- 4
- Number of storage drives supported
- 7
- RAID support
- Yes
- RAID levels
- 0, 1, 5, 10
Graphics
- Parallel processing technology support
- Not supported
- Maximum resolution
- 7680 x 4320 pixels
Internal I/O
- USB 2.0 connectors
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) connectors
- 0
- Number of SATA III connectors
- 4
- S/PDIF out connector
- Yes
- Front panel audio connector
- Yes
- Front panel connector
- Yes
- ATX Power connector (24-pin)
- Yes
- CPU fan connector
- Yes
- Number of CPU fan connectors
- 1
- Number of chassis fan connectors
- 3
- Chassis intrusion connector
- Yes
- Peripheral (Molex) power connectors (4-pin)
- 1
- EPS power connector (8-pin)
- Yes
- Number of EPS power connectors (8-pin)
- 1
- Number of COM connectors
- 1
- TPM connector
- Yes
- 12V power connector
- Yes
- RGB LED pin header
- Yes
- Number of RGB LED pin headers
- 3
Rear panel I/O ports
- USB 2.0 ports quantity
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 0
- Ethernet LAN (RJ-45) ports
- 1
- VGA (D-Sub) ports quantity
- 0
- HDMI ports quantity
- 1
- DVI-D ports quantity
- 0
- HDMI version
- 2.1
- DisplayPorts quantity
- 2
- DisplayPort version
- 1.4
- Headphone outputs
- 1
- Line-in
- Yes
- Microphone in
- Yes
Network
- Wi-Fi
- No
- Ethernet LAN
- Yes
- Ethernet interface type
- 2.5 Gigabit Ethernet
Features
- Component for
- PC
- Motherboard form factor
- micro ATX
- Motherboard chipset family
- AMD
- Motherboard chipset
- AMD B850
- Audio output channels
- 7.1 channels
- Product colour
- Grey
- Cooling type
- Passive
- Power source type
- ATX
- Windows operating systems supported
- Windows 10 x64, Windows 11
Expansion slots
- PCI Express x16 (Gen 4.x) slots
- 2
- PCI Express x16 (Gen 5.x) slots
- 1
- Number of M.2 (M) slots
- 3
- 1st M.2 largest key size
- 2280
- 1st M.2 highest PCI Express generation
- 5.0
- 2nd M.2 largest key size
- 2280
- 2nd M.2 highest PCI Express generation
- 4.0
- 3rd M.2 largest key size
- 2280
- 3rd M.2 highest PCI Express generation
- 4.0
- 4th M.2 largest key size
- 2280
- 4th M.2 highest PCI Express generation
- 4.0
BIOS
- BIOS type
- UEFI AMI
- BIOS memory size
- 256 Mbit
Packaging data
- Package width
- 275 mm
- Package depth
- 275 mm
- Package height
- 67.5 mm
- Package weight
- 1.45 kg
Weight & dimensions
- Width
- 244 mm
- Depth
- 244 mm
Packaging content
- Cables included
- SATA
- Screws included
- Yes