MotherboardsAsus
ASUS PRIME B550 AMD AM4 Micro-ATX Motherboard
MPN: 90MB14I0-M0EAYC
Key specifications
SocketAM4
Form factormATX
ChipsetAMD B550
Memory typeDDR4
M.2 slots2
Max Memory128 GB
Full Specifications31 fields
Additional Information
Model Number
90MB14I0-M0EAYC
Gtin
4718017755535
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
244 x 244 mm
Note
-
Core Specifications
Edition
B550M-A/CSM
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 D-Sub (VGA)
1 x DVI-D
1 x HDMI 2.1
1 x Line In
1 x Line Out
1 x Mic-In
1 x PS/2 Keyboard/Mouse Combo
1 x RJ-45
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
N/A
Amd Crossfire Support
N/A
Integrated Graphics
Discrete GPU Required for Graphics Output
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/SATA3
2 x PCIe 3.0 x1
1 x PCIe 4.0 x16
Sata Support
SATA3 / M.2
Raid Support Via
Yes
Storage Mode Support
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
1 x 8-pin (Power)
1 x Addressable Digital RGB Header
2 x Aura RGB Strip Headers
1 x Clear CMOS jumper
1 x CPU Fan Connector
1 x CPU OPT Fan Connector
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 Stereo speaker connector
2 x System Fan header
1 x System panel connector
1 x TPM Header
2 x USB 2.0 Header
1 x USB 3.2 Gen2 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 - 3333(OC)
DDR4 - 3466(OC)
DDR4 - 3600(OC)
DDR4 - 3733(OC)
DDR4 - 3866(OC)
DDR4 - 4000(OC)
DDR4 - 4133(OC)
DDR4 - 4266(OC)
DDR4 - 4400(OC)
DDR4 - 4600(OC)
Max Memory Capacity
128GB
General
Audio
7.1 Channel HD Audio
Best indexed price
£200.20GBP
Indexed 24 May 2026 — verify at retailer
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