Zephyra MB-3867 Prime B550 Micro-ATX Wi-Fi 6 Motherboard
Motherboards · Zephyra · SKU MB3867-PRIME · Released 2020 · Updated 2026-10-20
Key facts
| Benchmark index | 3,011 (Motherboards scale) |
|---|---|
| Category rank | #45,355 |
| Street price | $199 |
| Power | 29 W |
| Performance per dollar | 15.13 |
| Released | 2020 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-3867 Prime |
| Socket | AM4 |
| Chipset | B550 |
| Form factor | Micro-ATX |
| Memory | 4× DDR4 DIMM, up to 128 GB |
| Max memory speed | DDR4-4800+ (OC) |
| Primary x16 slot | PCIe 4.0 x16 |
| M.2 slots | 4 total |
| Rear USB-C | 1× USB 3.2 Gen 2 10Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | Wi-Fi 6 (802.11ax) + Bluetooth 5.2 |
| Overclocking | CPU + memory |
| VRM | 15+1+1 phases, 70 A stages |
| BIOS | Dual UEFI, BIOS flashback button |
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Cite this page: Hardware Spec Index, “Zephyra MB-3867 Prime B550 Micro-ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/2117263 (accessed 2026-10-20).