ASRock B550M/AC

ASRock B550M/AC AM4 Micro-ATX DDR4 128 GB Motherboard

ASRock Motherboard $114.99

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SocketAM4

ChipsetB550

Form FactorMicro-ATX

MemoryDDR4

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The ASRock B550M/AC is a Micro-ATX motherboard for AM4. It supports DDR4 memory up to 4533 MT/s (OC).

Supports 3Rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
AMD Ryzen Series Cpus (Matisse) Support DDR4 4533+(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 ECC & Non-ECC, Un-Buffered Memory
AMD Ryzen Series Apus (Renoir) Support DDR4 4733+(OC)/ 4666(OC)/ 4600(OC)/ 4533(OC)/ 4466(OC)/ 4400(OC)/ 4333(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3800(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 ECC & Non-ECC, Un-Buffered Memory

Manufacturer	ASRock
Model Number	B550M/AC
Launch Date	September 2020
CPU Socket	AMD Socket AM4
Chipset Model	Intel B550
Board Size / Form Factor	Micro-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, 1 × PCIe x1
PCIe x16 (Qty)	2
PCIe x4 (Qty)	0
PCIe x1 (Qty)	1
M.2 Slot Count	1 × M.2
M.2 Device Compatibility	2280 - M Key
SATA III Ports	4 × SATA 6Gbps
SATA Express Ports	0
Wired Networking (LAN)	N/A
Onboard Wi-Fi	Yes
Wi-Fi Standard	5
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	2
Internal USB 2.0 Headers	2
NVIDIA SLI	No
AMD CrossFire	Yes
RAID Capability	Yes
Back-Connect Layout	No
Manufacturer Part Number (MPN)	B550M/AC
SKU Code	B550M/AC
GTIN / EAN	4710483931864