Zephyra MB-5991 Max B650 E-ATX Wi-Fi 6E Motherboard
Motherboards · Zephyra · SKU MB5991-MAX · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 2,793 (Motherboards scale) |
|---|---|
| Category rank | #4,410 |
| Street price | $159 |
| Power | 28 W |
| Performance per dollar | 17.57 |
| Released | 2022 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-5991 Max |
| Socket | AM5 |
| Chipset | B650 |
| Form factor | E-ATX |
| Memory | 4× DDR5 DIMM, up to 192 GB |
| Max memory speed | DDR5-6400+ (OC) |
| Primary x16 slot | PCIe 4.0 x16 |
| M.2 slots | 3 total, 1× PCIe 5.0 x4 |
| Rear USB-C | 1× USB 3.2 Gen 2 10Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | Wi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3 |
| Overclocking | CPU + memory |
| VRM | 15+1+1 phases, 60 A stages |
| BIOS | UEFI |
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 |
|---|---|---|---|
| Halcyra MB-1255 Plus X570 Micro-ATX Motherboard | 1,706 | $69 | Compare |
| Novexa MB-4417 Core X570 E-ATX Motherboard | 2,204 | $89 | Compare |
| Zephyra MB-1443 Pro B550 ATX Motherboard | 2,834 | $149 | Compare |
| Zephyra MB-8554 Max B760 Micro-ATX Wi-Fi 6E Motherboard | 3,252 | $189 | Compare |
| Novexa MB-9428 Core A620 ATX Motherboard | 2,374 | $109 | Compare |
| Kyndral MB-1529 XT X570 Micro-ATX Motherboard | 1,464 | $69 | Compare |
Cite this page: Hardware Spec Index, “Zephyra MB-5991 Max B650 E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/16708024 (accessed 2026-10-19).