Zephyra MB-8551 Ultra X670E E-ATX Wi-Fi 6E Motherboard
Motherboards · Zephyra · SKU MB8551-ULTRA · Released 2022 · Updated 2026-10-25
Key facts
| Benchmark index | 5,076 (Motherboards scale) |
|---|---|
| Category rank | #13,700 |
| Street price | $499 |
| Power | 45 W |
| Performance per dollar | 10.17 |
| Released | 2022 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-8551 Ultra |
| Socket | AM5 |
| Chipset | X670E |
| Form factor | E-ATX |
| Memory | 4× DDR5 DIMM, up to 192 GB |
| Max memory speed | DDR5-6400+ (OC) |
| Primary x16 slot | PCIe 5.0 x16 |
| M.2 slots | 2 total, 2× PCIe 5.0 x4 |
| Rear USB-C | 1× USB 3.2 Gen 2x2 20Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | Wi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3 |
| Overclocking | CPU + memory |
| VRM | 21+2+2 phases, 90 A stages |
| BIOS | Dual UEFI, BIOS flashback button |
Related guides
PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 SocketAMD AM5 Chipsets ComparedDDR5 Memory ExplainedPCIe 5.0 Explained
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Cite this page: Hardware Spec Index, “Zephyra MB-8551 Ultra X670E E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/41495386 (accessed 2026-10-25).