Msi B450-A Pro DDR4 AMD AM4 ATX PCIe 3.0 Gaming Motherboard
Overview :
The MSI B450‑A PRO is a reliable ATX motherboard built around the AMD B450 chipset and AM4 socket, designed to support both everyday users and professionals. Msi B450-A Pro With a sturdy 6‑phase power design, support for 1st through 3rd Gen Ryzen CPUs (including APUs), and compatibility with ECC and non‑ECC DDR4 memory, it presents a robust and flexible foundation for desktop builds. Msi B450-A Pro Equipped with essentials like dual PCIe x16 slots, ample SATA and M.2 storage options, versatile I/O, and advanced BIOS features like Flash BIOS Button, this board remains a solid choice for value-oriented gaming, workstations, and mining rigs alike
Key Features :
AM4 Platform & Ryzen Support
Msi B450-A Pro Compatible with 1st, 2nd, and 3rd Gen AMD Ryzen, Ryzen APUs with Vega graphics, and Athlon with Vega graphics. BIOS Flashback Button allows easy BIOS updates even without CPU or RAMMemory Flexibility
Four DDR4 DIMM slots support up to 128 GB (depending on BIOS) or 64 GB (by JEDEC standards), with OC support up to 3466 MHz via XMPExpandability & GPU Support
Msi B450-A Pro Features one PCIe 3.0 x16 slot (primary) and one PCIe 2.0 x16 (x4 mode), plus four PCIe 2.0 x1 slots. Supports 2‑Way AMD CrossFire for multi‑GPU setupsStorage Options
Offers six SATA III ports supporting RAID 0/1/10, and a single M.2 slot supporting PCIe 3.0 x4 or SATA M.2 drives—all ideal for SSDs up to 110 mmI/O & Connectivity
Rear I/O includes USB 3.1 Gen2 (10 Gbps), USB 3.1 Gen1, USB 2.0, PS/2 combo, VGA, DVI‑D, HDMI (when using APUs), Realtek 8111H Gigabit LAN, and Realtek ALC892 7.1‑channel audioProtection & Convenience Features
Msi B450-A Pro Built with DDR4 Boost, Turbo M.2, EZ Debug LED, PCIe Steel Armor, BIOS Flashback+, X-Boost, Core Boost, and audio enhancements like Audio Boost and Nahimic 3 — aimed at improving performance, troubleshooting, and durability
Specifications Table :
| Platform & CPU Support | AMD AM4 socket. Supports 1st, 2nd & 3rd Gen Ryzen, Ryzen with Vega, Athlon with Vega. |
| Chipset | AMD B450 |
| Form Factor | ATX (12.0″ × 9.6″ / 30.5 × 24.4 cm) |
| Memory | 4 × DDR4 DIMM; up to 64 GB (JEDEC) or 128 GB (with supported BIOS); speeds 1866–3466 MHz OC; ECC & non-ECC support |
| Power Design | 6-phase VRM with heatsinks |
| PCIe Slots | 1 × PCIe 3.0 ×16, 1 × PCIe 2.0 ×16 (x4), 4 × PCIe 2.0 ×1 |
| Multi-GPU | 2‑Way AMD CrossFire |
| Storage | 6 × SATA III (RAID 0,1,10); 1 × M.2 (PCIe 3.0 x4 or SATA) |
| USB Ports (Rear) | 2 × USB 3.1 Gen2 Type‑A, 2 × USB 3.1 Gen1, 2 × USB 2.0, 1 × PS/2 combo |
| Internal USB Headers | USB 3.1 Gen1 header (2 ports), USB 2.0 headers (4 ports) |
| Video Outputs | VGA, DVI‑D, HDMI 1.4 (APU support up to 4096×2160@30 Hz) |
| Audio | Realtek ALC892, 7.1‑channel (Audio Boost, Nahimic 3) |
| LAN | Realtek RTL8111H Gigabit Ethernet |
| Cooling Headers | 1 × CPU fan, 1 × pump, 4 × system fan |
| Misc Internal I/O | TPM, chassis intrusion, serial, parallel, Clear CMOS jumper, RGB LED header |
| BIOS Features | Flash BIOS Button, EZ Debug LED, X‑Boost, Core Boost, Live Update, Command Center |
| Operating System Support | Windows 10 & Windows 7 (with Ryzen CPU) |
| Warranty | 3 Years |
| Launch Period | Around 2018–2019 |
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