MotherboardsAsus
ASUS PRIME B850-PLUS-CSM AM5 DDR5 PCIe 5.0 ATX Motherboard
MPN: 90MB1LC0-M0EAYC
Key specifications
SocketAM5
Form factorATX
ChipsetAMD B850
Memory typeDDR5
M.2 slots3
Max Memory256 GB
Full Specifications31 fields
Additional Information
Model Number
90MB1LC0-M0EAYC
Gtin
4711387982037
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305 x 244 mm
Note
-
Core Specifications
Edition
PRIME B850-PLUS-CSM
Form Factor
ATX
Socket
AM5
Chipset
AMD B850
External Connectivity
Network Interface Type
Wired 2.5 Gigabit LAN
Network Chip Modules
1 x Realtek (2.5GbE LAN)
Rear I O Connectors
1 x BIOS Flashback Button
1 x DisplayPort 1.4
1 x HDMI 2.1
1 x Line In
1 x Line Out
1 x Mic-In
1 x RJ-45
2 x USB 2.0
2 x USB 3.2 Gen1 Type-A
3 x USB 3.2 Gen2 Type-A
1 x USB 3.2 Gen2 Type-C
Graphics Support
Primary Gpu Interface
PCIe 5.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
N/A
Integrated Graphics
Discrete GPU Required for Graphics Output
On Board Graphics Connectors
DisplayPort 1.4
HDMI 2.1
Internal Connectivity
Expansion Slots
1 x M.2, 22-80, PCIe Gen4x2
1 x M.2, 22-80, PCIe Gen4x4
1 x M.2, 22-80, PCIe Gen5x4
2 x PCIe 3.0 x16 (x1 Bandwidth)
1 x PCIe 4.0 x16 (x4 Bandwidth)
1 x PCIe 5.0 x16
4 x SATA 6GB/s
Sata Support
SATA3
Raid Support Via
-
Storage Mode Support
RAID 0
RAID 1
RAID 10
RAID 5
Internal I O
1 x 24-pin (Power)
1 x 4-pin (Power)
1 x 4-pin AIO Pump Connector
4 x 4-pin CHA_FAN connector
1 x 4-pin CPU Fan Connector
1 x 4-pin CPU OPT Fan Connector
1 x 8-pin (Power)
3 x Addressable Gen 2 Header
1 x Chassis Intruder
1 x Clear CMOS Header
1 x Front Panel Audio Header
1 x Front Panel Connector
3 x M.2
1 x S/PDIF-Out Header
4 x SATA III - 6Gb/s
1 x Serial (COM) Header
1 x System panel connector
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
1 x USB 3.2 Gen1
1 x USB 3.2 Gen1 Header
1 x USB4 Header
RAM Memory Support
Memory Type
DDR5
Memory Channel
Dual (2)
Memory Type Ecc
ECC/Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
-
Max Memory Capacity
256GB (4x64GB)
General
Audio
7.1 Channel HD Audio
Best indexed price
£131.21GBP
Indexed 24 May 2026 — verify at retailer
