ASUS Prime B550M-A AC

ASUS Prime B550M-A AC AM4 Micro-ATX DDR4 128 GB Motherboard

Asus Motherboard $89.99

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SocketAM4

ChipsetB550

Form FactorMicro-ATX

MemoryDDR4

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The ASUS Prime B550M-A AC is a Micro-ATX motherboard for AM4. It supports DDR4 memory up to 4866 MT/s (OC).

AMD AM4 Socket and PCIe 4.0: The perfect pairing for 3rd Gen AMD Ryzen CPUs
Ultrafast Connectivity: 1x PCIe 4.0 x16 SafeSlot, WiFi, 1Gb LAN, dual M.2 slots (NVMe SSD)-one with PCIe 4.0 x4 connectivity, USB 3.2 Gen 2 Type-A , HDMI 2.1 (4K@60HZ), D-Sub & DVI
Comprehensive Cooling: VRM heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2 utility
5X Protection III: all-round protection with LANGuard, DRAM overcurrent protection, overvoltage protection, SafeSlot Core safeguards and stainless-steel back I/O
Boosted Memory Performance: ASUS OptiMem proprietary trace layout allows memory kits to operate at higher frequencies with lower voltages to maximize system performance.

Manufacturer	ASUS
Model Number	PRIME B550M-A AC 90MB15K0-M0EAY0
Launch Date	July 2021
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 / DDR4-2800 / DDR4-2933 / DDR4-3000 / DDR4-3200 / DDR4-3333 / DDR4-3400 / DDR4-3466 / DDR4-3600 / DDR4-3733 / DDR4-3866 / DDR4-4000 / DDR4-4133 / DDR4-4200 / DDR4-4266 / DDR4-4333 / DDR4-4400 / DDR4-4600 / DDR4-4800 / DDR4-4866 (OC)
ECC Memory Support	No
Expansion Slots (PCIe)	1 × PCIe x16, 2 × PCIe x1
PCIe x16 (Qty)	1
PCIe x4 (Qty)	0
PCIe x1 (Qty)	2
M.2 Slot Count	2 × M.2
M.2 Device Compatibility	2242 / 2260 / 2280 / 22110 - M Key, 2242 / 2260 / 2280 / 22110 - M Key
SATA III Ports	4 × SATA 6Gbps
SATA Express Ports	0
Wired Networking (LAN)	GbE LAN
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	1
Internal USB 2.0 Headers	2
NVIDIA SLI	No
AMD CrossFire	No
RAID Capability	Yes
Back-Connect Layout	No
Manufacturer Part Number (MPN)	PRIME B550M-A AC
SKU Code	PRIME B550M-A AC
GTIN / EAN	192876848401