MSI B550M-A PRO Micro ATX AM4 Motherboard
MSI B550M-A PRO Micro ATX AM4 Motherboard
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Specifications
ManufacturerMSI
Part #B550M-A PRO
Socket / CPUAM4
Form FactorMicro ATX
ChipsetAMD B550
Memory Max64 GB
Memory TypeDDR4
Memory Slots2
Memory Speed

DDR4-1866

DDR4-2133

DDR4-2400

DDR4-2666

DDR4-2800

DDR4-2933

DDR4-3000

DDR4-3200

DDR4-3466

DDR4-3600

DDR4-3733

DDR4-3866

DDR4-4000

DDR4-4133

DDR4-4266

DDR4-4400

DDR4-4600

ColorBlack
PCIe x16 Slots1
PCIe x8 Slots0
PCIe x4 Slots0
PCIe x1 Slots1
PCI Slots0
M.2 Slots2242/2260/2280 M-key
Mini-PCIe Slots0
Half Mini-PCIe Slots0
Mini-PCIe / mSATA Slots0
mSATA Slots0
SATA 6.0 Gb/s4
Onboard Ethernet1 x 1 Gb/s (Realtek 8111H)
Onboard VideoDepends on CPU
USB 2.0 Headers2
USB 2.0 Headers (Single Port)0
USB 3.2 Gen 1 Headers1
USB 3.2 Gen 2 Headers0
USB 3.2 Gen 2x2 Headers0
Supports ECCNo
Wireless NetworkingNone
RAID SupportYes
UPC Codes824142225257