MotherboardsAsus
ASUS AMD B550 PRIME B550M-K AM4 DDR4 micro-ATX Motherboard
MPN: PRIME B550M-K
Key specifications
SocketAM4
Form factormATX
ChipsetAMD B550
Memory typeDDR4
M.2 slots2
Max Memory128 GB
Full Specifications31 fields
Additional Information
Model Number
PRIME B550M-K
Gtin
4718017758284
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
244 x 244 mm
Note
-
Core Specifications
Edition
PRIME B550M-K
Form Factor
MicroATX
Socket
AM4
Chipset
AMD B550
External Connectivity
Network Interface Type
Wired Gigabit LAN (10/100/1000)
Network Chip Modules
1 x Realtek RTL8111H (Gigabit LAN)
Rear I O Connectors
1 x 10/100/1000 (LAN)
1 x D-Sub (VGA)
1 x DVI-D
1 x HDMI
1 x Line In
1 x Line Out
1 x Mic-In
1 x PS/2 Keyboard/Mouse Combo
4 x USB 3.2 Gen1 Type-A
2 x USB 3.2 Gen2 Type-A
Graphics Support
Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
Not Supported
Amd Crossfire Support
Not Supported
Integrated Graphics
Requires Processor Graphics or Discrete GPU
On Board Graphics Connectors
D-Sub (VGA)
DVI-D
HDMI 2.1
Internal Connectivity
Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen3x4/SATA3
1 x M.2, 22-42/60/
80/110, PCIe Gen4x4/SATA
2 x PCIe 3.0 x1
1 x PCIe 4.0 x16
Sata Support
SATA3
Raid Support Via
-
Storage Mode Support
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
2 x 4-pin CHA_FAN connector
1 x 4-pin CPU Fan Connector
1 x 8-pin (Power)
1 x Clear CMOS Header
1 x Front Panel Audio Header
1 x S/PDIF-Out Header
4 x SATA III - 6Gb/s
1 x Serial (COM) Header
1 x speaker header
1 x System panel connector
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
1 x USB 3.2 Gen1 Header
RAM Memory Support
Memory Type
DDR4
Memory Channel
Dual (2)
Memory Type Ecc
ECC/Non-ECC
Memory Type R U
UDIMM (Unbuffered)
Memory Speed Mhz
DDR4 - 2133
DDR4 - 2400
DDR4 - 2666
DDR4 - 2800
DDR4 - 3000
DDR4 - 3200
DDR4 - 3466(OC)
DDR4 - 3600(OC)
DDR4 - 3866(OC)
DDR4 - 4000(OC)
DDR4 - 4400(OC)
Max Memory Capacity
128GB
General
Audio
Realtek ALC887 7.1 HD Audio
Best indexed price
£134.99GBP
Indexed 24 May 2026 — verify at retailer
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