MotherboardsASRock
ASRock AMD Ryzen B550M Phantom Gaming 4 AM4 PCIe 4.0 mATX Motherboard
MPN: 90-MXBE90-A0UAYZ
Key specifications
SocketAM4
Form factormATX
ChipsetAMD B550
Memory typeDDR4
M.2 slots1
Max Memory128 GB
Best indexed price
Price unavailable
Retailer offers
Amazon UKProduct link
Find on AmazoneBay UKSearch link
Search eBayMore retailers coming
We only list a retailer once we hold verified offer data for it. No placeholder prices, ever.
Indexed prices are snapshots, not live quotes. Confirm price, stock and delivery on the retailer's site — checkout completes there.
We may earn a commission from these links. How it works
Fit check
Add this to your build in the PC Builder to automatically check dimensions, sockets, and power draw.
Full Specifications31 fields
Additional Information
Model Number
90-MXBE90-A0UAYZ
Gtin
4710483932755
Additional Specifications
Water Cooled
No
Cooling
-
Qpi Speed
N/A
Dimensions
244 x 244 mm
Note
-
Core Specifications
Edition
B550M Phantom Gaming 4
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 DisplayPort 1.4
1 x Front Speaker Out
1 x HDMI 2.1
1 x Line In
1 x Mic-In
1 x PS/2 Keyboard/Mouse Combo
1 x RJ-45 with LED
2 x USB 2.0
4 x USB 3.2 Gen1 Type-A
Graphics Support
Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
N/A
Amd Crossfire Support
N/A
Integrated Graphics
-
On Board Graphics Connectors
DisplayPort 1.4
HDMI 2.1
Internal Connectivity
Expansion Slots
1 x M.2, 22-80, PCIe Gen4x4
1 x PCIe 3.0 x1
1 x PCIe 3.0 x16 (x4 Bandwidth)
1 x PCIe 4.0 x16
Sata Support
SATA3
Raid Support Via
SATA
Storage Mode Support
AHCI
Hot Plug
NCQ
NVMe Boot (via M.2 PCIe Slot)
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
1 x 4-pin CPU Fan Connector
3 x 4-pin W_PUMP+ Connector
1 x 8-pin (Power)
1 x Front Panel Audio Header
1 x Power LED / Speaker Header
2 x RGB LED connector
1 x TPM (SPI_TPM) header
2 x USB 2.0 Header
2 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 - 2667
DDR4 - 2933
DDR4 - 3200
DDR4 - 3466(OC)
DDR4 - 3600(OC)
DDR4 - 3733(OC)
DDR4 - 3800(OC)
DDR4 - 3866(OC)
DDR4 - 4000(OC)
DDR4 - 4133(OC)
DDR4 - 4200(OC)
DDR4 - 4266(OC)
DDR4 - 4333(OC)
DDR4 - 4400(OC)
DDR4 - 4466(OC)
DDR4 - 4533(OC)
DDR4 - 4533+(OC)
DDR4 - 4600(OC)
DDR4 - 4666(OC)
DDR4 - 4733+(OC)
Max Memory Capacity
128GB (4x32GB)
General
Audio
Realtek ALC897 7.1 HD Audio