MotherboardsMSI
MSI AMD B550 B550-A PRO PCIe 4 DDR4 ATX Motherboard
MPN: B550-A PRO
Key specifications
SocketAM4
Form factorATX
ChipsetAMD B550
Memory typeDDR4
M.2 slots2
Max Memory128 GB
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Same specs for less
- AsRock AMD A520M AM4 ITX/AC Mini-ATX Motherboard£92.47at Scan£17.52 less
Same socket and DDR4 memory · 2 M.2 slots
- ASRock B550 Pro4 AMD B550 DDR4 ATX Motherboard£94.98at eBay UK£15.01 less
Same socket and DDR4 memory · 4 M.2 slots
Matched on the listed specs that matter for this kind of part, at each listing's lowest new price. Other details (cooling, warranty, looks) can differ.
Related Products
Full Specifications31 fields
Additional Information
Model Number
B550-A PRO
Gtin
4719072733667
Additional Specifications
Water Cooled
No
Cooling
Passive Heatsinks
Qpi Speed
N/A
Dimensions
305 x 244 mm
Note
-
Core Specifications
Edition
B550-A PRO
Form Factor
ATX
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 Center/Subwoofer Speaker Out
1 x DisplayPort
1 x HDMI
1 x Line In
1 x Line Out
1 x Mic-In
1 x PS/2 Keyboard/
Mouse Combo
1 x Rear Speaker Out
4 x USB 2.0
2 x USB 3.2 Gen1 Type-A
1 x USB 3.2 Gen1 Type-C
1 x USB 3.2 Gen2 Type-A
Graphics Support
Primary Gpu Interface
PCIe 4.0 (x16)
Nvidia Sli Support
Not Supported
Amd Crossfire Support
2-Way CrossFire
Integrated Graphics
Requires Processor Graphics or Discrete GPU
On Board Graphics Connectors
DisplayPort
HDMI
Internal Connectivity
Expansion Slots
1 x M.2, 22-42/60/80, PCIe Gen3x4
1 x M.2, 22-42/60/80/
110, PCIe Gen4x4/SATA
2 x PCIe 3.0 x1
1 x PCIe 3.0 x16
1 x PCIe 4.0 x16
Sata Support
SATA3
Raid Support Via
SATA3 / M.2
Storage Mode Support
RAID 0
RAID 1
RAID 10
Internal I O
1 x 24-pin (Power)
2 x 3-pin RAINBOW LED connector
6 x 4-pin CHA_FAN connector
1 x 4-pin CPU Fan Connector
1 x 4-pin RGB LED connector
1 x 4-pin Water Pump Connector
1 x 8-pin (Power)
1 x Chassis Intrusion connector
1 x Clear CMOS jumper
1 x Front Panel Audio Header
6 x SATA III - 6Gb/s
2 x System panel connector
1 x TPM Header
2 x USB 2.0 Header
1 x USB 3.2 Gen1 Header
1 x USB 3.2 Gen1 Type-C Front Panel 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 - 1866
DDR4 - 2133
DDR4 - 2400
DDR4 - 2667
DDR4 - 2800(OC)
DDR4 - 2933(OC)
DDR4 - 3000(OC)
DDR4 - 3066(OC)
DDR4 - 3200
DDR4 - 3200(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)
Max Memory Capacity
128GB
General
Audio
Realtek ALC892 7.1 HD Audio