Asus PRIME B550M-A/CSM Micro ATX AM4 Motherboard
Asus PRIME B550M-A/CSM Micro ATX AM4 Motherboard
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Specifications
ManufacturerAsus
Part #

PRIME B550M-A/CSM

90MB14I0-M0AAYC

90MB14I0-M0EAYC

Socket / CPUAM4
Form FactorMicro ATX
ChipsetAMD B550
Memory Max128 GB
Memory TypeDDR4
Memory Slots4
Memory Speed

DDR4-2133

DDR4-2400

DDR4-2666

DDR4-2800

DDR4-3000

DDR4-3200

DDR4-3333

DDR4-3466

DDR4-3600

DDR4-3733

DDR4-3866

DDR4-4000

DDR4-4133

DDR4-4266

DDR4-4400

DDR4-4600

ColorBlack / White
PCIe x16 Slots1
PCIe x8 Slots0
PCIe x4 Slots0
PCIe x1 Slots2
PCI Slots0
M.2 Slots

2242/2260/2280/22110 M-key

2242/2260/2280 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
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 Codes192876755532