Your basket is currently empty!
The MSI B550M-A PRO is a robust Micro-ATX motherboard for AMD AM4 platforms, supporting Ryzen 3000/5000 and Ryzen 4000-G CPUs. With dual DDR4 slots up to 64 GB (OC), a PCIe 4.0 ×16 slot for graphics, an ultra-fast M.2 NVMe slot, 4 SATA III ports, Realtek Gigabit LAN, and 7.1-channel HD audio, it’s ideal for budget to mid-range gaming or productivity builds. Backed by a 3-year warranty, it delivers excellent performance and reliability.
Item | Description |
---|---|
Model | MSI B550M-A PRO |
Chipset | AMD B550 |
Processor Support | AMD Ryzen 3000 (3rd Gen) / Ryzen 4000 G-Series / Ryzen 5000 (with BIOS update) |
Memory Support | 2 × DDR4 DIMM slots, up to 64 GB total Supports JEDEC DDR4 speeds (1866-3200 MHz) OC / A-XMP up to ~4600 MHz (depending on module & configuration) |
Storage | 1 × M.2 slot (Key-M, 2242/2260/2280) supports PCIe 4.0 / PCIe 3.0 & SATA 4 × SATA III 6 Gb/s ports |
Expansion Slots | 1 × PCIe 4.0 ×16 slot 1 × PCIe 3.0 ×1 slot |
Rear I/O Ports | USB 3.2 Gen1 ports, USB 2.0 ports, HDMI, DVI-D, LAN, audio jacks |
Audio | Realtek ALC892 / ALC897 codec, 7.1-channel high definition audio |
LAN | Realtek RTL8111H Gigabit Ethernet |
Power & Others | 24-pin main ATX power connector, 4-pin CPU power connector; fan connectors; BIOS features with stability enhancements |
Form Factor | Micro-ATX (mATX) Dimensions ~23.6 × 20.1 cm (9.3 × 7.9 in) |
Warranty | 3 Years |