ASUS Prime B550M-A AC AM4 Micro-ATX DDR4 128 GB Motherboard
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Description
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.
Specifications
| 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 |
Price History (last 12 months)
Plots available price points within the past 12 months.
