About MSI B550‑A PRO AM4 ATX Motherboard
With its extensive feature set, the MSI B550-A PRO is perfect for office users, gamers, and creators who desire performance and expandability without breaking the bank. It supports Ryzen 5000 (and future) CPUs with a BIOS update and is based on the AMD B550 chipset.
Powered by MSI’s Core Boost and a 2-oz-thick copper PCB for stable overclocking, it features 4× DDR4 DIMM slots with a maximum frequency of 4400+ MHz (OC). There are two M.2 slots (one Gen4 x4 with M.2 Shield Frozr and another Gen3 x4), six SATA ports, and a reinforced PCIe 4.0 x16 slot pair with two extra PCIe 3.0 slots.
Gigabit LAN, USB 3.2 Gen2 Type-A/C, and HD audio through the Realtek ALC892 simplify connectivity. Extended heatsinks, a water-pump fan header, and Smart Fan 5 headers are examples of surrounding cooling controls.
Building, tuning, and troubleshooting are made easier by do-it-yourself features like Dragon Centre software, EZ Debug LEDs, and a BIOS Flashback button. Because of this, it’s perfect for both inexperienced builders and users who prioritise performance.
Features of MSI B550‑A PRO AM4 ATX Motherboard
Feature | Details |
---|---|
CPU Socket | AM4 (Ryzen 3000–5000/possible future support via BIOS update) |
Chipset | AMD B550 |
Power Delivery | 10+2+1 Duet Rail VRM, Core Boost, digital PWM |
Memory Support | 4× DDR4 DIMM, up to 128 GB, 4400 MHz OC via A‑XMP |
Expansion Slots | 1× PCIe 4.0 x16 (reinforced), 1× PCIe 3.0 x16 (x4), 2× PCIe 3.0 x1 |
M.2 Slots | Gen4 x4 with heatsink + Gen3 x4 |
SATA Ports | 6× SATA 6 Gb/s |
USB Ports | Rear USB‑C + Type‑A Gen2, Gen1; internal USB 3.2/2.0 headers |
Networking | Realtek 8111H Gigabit LAN |
Audio | Realtek ALC892 7.1‑channel HD |
Cooling Headers | 1× CPU, 1× Pump, 6× System fans, Smart Fan 5 support |
DIY Features | EZ Debug LED, BIOS Flashback, Dragon Centre |
Warranty | 3 years |
Ideally Best For
- Mid-Range Gaming & Creative Builds: PCIe 4.0, dual M.2, and DDR4 OC deliver excellent performance and upgrade flexibility.
- DIY & First-Time Builders: Debug tools, BIOS flash without CPU, and intuitive software make setup a breeze.
- Office & Home PCs with Future Potential: Stable and expandable with advanced features for everyday productivity.
- Value-Oriented Performance Users: Offers many premium features at a reasonable price compared to higher-end boards.
Buy MSI B550‑A PRO AM4 ATX Motherboard with DDR4 OC, PCIe 4.0, Dual M.2 & USB‑C Online Today.
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