ASRock B550M Steel Legend Micro ATX AM4 Motherboard
ASRock B550M Steel Legend Micro ATX AM4 Motherboard
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Specifications
ManufacturerASRock
Part #

B550M Steel Legend

90-MXBCU0-A0UAYZ

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

DDR4-2133

DDR4-2400

DDR4-2666

DDR4-2933

DDR4-3200

DDR4-3466

DDR4-3600

DDR4-3733

DDR4-3800

DDR4-3866

DDR4-4000

DDR4-4133

DDR4-4200

DDR4-4266

DDR4-4333

DDR4-4400

DDR4-4533

ColorSilver / Black
SLI/CrossFireCrossFire Capable
PCIe x16 Slots2
PCIe x8 Slots0
PCIe x4 Slots0
PCIe x1 Slots1
PCI Slots0
M.2 Slots

2280 M-key

2280 M-key

2230 E-key

Mini-PCIe Slots0
Half Mini-PCIe Slots0
Mini-PCIe / mSATA Slots0
mSATA Slots0
SATA 6.0 Gb/s6
Onboard Ethernet1 x 2.5 Gb/s
Onboard VideoDepends on CPU
USB 2.0 Headers2
USB 2.0 Headers (Single Port)0
USB 3.2 Gen 1 Headers2
USB 3.2 Gen 2 Headers0
USB 3.2 Gen 2x2 Headers0
Supports ECCNo
Wireless NetworkingNone
RAID SupportYes