


PRIME B850M-A-CSM
Manuf P/N: 90MB1LQ0-M0EAYC
APAXON#: 11808588
EAN: 4711636054706
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
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Price £112.61
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Product Summary
ASUS PRIME B850M-A-CSM AMD B850 Socket AM5 micro ATX
Extended Specification
Group 1382
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
Group 1020
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
Group 27949
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
Group 11085
Parallel processing technology support
Not supported
Maximum resolution
7680 x 4320 pixels
Group 2207
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
Group 2206
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
Group 2764
Wi-Fi
No
Ethernet LAN
Yes
Ethernet interface type
2.5 Gigabit Ethernet
Group 13324
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
Group 4189
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
Group 4754
BIOS type
UEFI AMI
BIOS memory size
256 Mbit
Group 72243
Package width
275 mm
Package depth
275 mm
Package height
67.5 mm
Package weight
1.45 kg
Group 1019
Width
244 mm
Depth
244 mm
Group 4753
Cables included
SATA
Screws included
Yes