ASRock B550 PRO4

ASRock B550 PRO4 AM4 ATX DDR4 128 GB Motherboard

ASRock Motherboard $126.99

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SocketAM4

ChipsetB550

Form FactorATX

MemoryDDR4

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The ASRock B550 PRO4 is a ATX motherboard for AM4. It supports DDR4 memory up to 4533 MT/s (OC).

Manufacturer	ASRock
Model Number	B550 PRO4
Launch Date	June 2020
CPU Socket	AMD Socket AM4
Chipset Model	Intel B550
Board Size / Form Factor	ATX
Supported Memory Type	DDR4
DIMM Slots	4
Maximum RAM Capacity	128 GB
Valid DDR4 Speeds	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 (OC)
ECC Memory Support	Yes * ECC memory support also depends on the CPU memory controller
Expansion Slots (PCIe)	2 × PCIe x16, 2 × PCIe x1
PCIe x16 (Qty)	2
PCIe x4 (Qty)	0
PCIe x1 (Qty)	2
M.2 Slot Count	3 × M.2
M.2 Device Compatibility	2260 / 2280 / 22110 - M Key, 2242 / 2260 / 2280 - M Key, 2230 - E Key
SATA III Ports	6 × SATA 6Gbps
SATA Express Ports	0
Wired Networking (LAN)	N/A
Onboard Wi-Fi	No
Wi-Fi Standard	N/A
Rear-Panel USB	USB 3.2 Gen1, USB 2.0
Internal USB 3.2 Gen 2x2 Headers	0
Internal USB 3.2 Gen 2 Headers	0
Internal USB 3.2 Gen 1 Headers	1
Internal USB 2.0 Headers	2
NVIDIA SLI	No
AMD CrossFire	Yes
RAID Capability	Yes
Back-Connect Layout	No
Manufacturer Part Number (MPN)	B550 PRO4
SKU Code	B550 PRO4
GTIN / EAN	4710483931482