Zephyra MB-8991 Plus X670E Micro-ATX Wi-Fi 6E Motherboard
Motherboards · Zephyra · SKU MB8991-PLUS · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 5,332 (Motherboards scale) |
|---|---|
| Category rank | #35,285 |
| Street price | $609 |
| Power | 52 W |
| Performance per dollar | 8.76 |
| Released | 2023 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-8991 Plus |
| Socket | AM5 |
| Chipset | X670E |
| Form factor | Micro-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 | 3 total, 2× PCIe 5.0 x4 |
| Rear USB-C | 1× USB 3.2 Gen 2x2 20Gbps (Type-C) |
| Ethernet | 10GbE + 2.5GbE |
| Wireless | Wi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3 |
| Overclocking | CPU + memory |
| VRM | 23+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
Similar Motherboards
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Kyndral MB-1676 Plus A620 ATX Motherboard | 2,676 | $119 | Compare |
| Orbita MB-6611 Core B760 ATX DDR4 Wi-Fi 7 Motherboard | 3,647 | $299 | Compare |
| Halcyra MB-1650 Prime X570 ATX Wi-Fi 6E Motherboard | 5,554 | $579 | Compare |
| Novexa MB-6504 SE B650 Micro-ATX Motherboard | 2,484 | $129 | Compare |
| Kyndral MB-9209 Edge H610 ATX Motherboard | 1,744 | $79 | Compare |
| Novexa MB-4606 Core B760 ATX Wi-Fi 7 Motherboard | 4,194 | $329 | Compare |
Cite this page: Hardware Spec Index, “Zephyra MB-8991 Plus X670E Micro-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/657197 (accessed 2026-10-19).