Zephyra MB-1851 Max B550 ATX Motherboard
Motherboards · Zephyra · SKU MB1851-MAX · Released 2020 · Updated 2026-10-18
Key facts
| Benchmark index | 2,657 (Motherboards scale) |
|---|---|
| Category rank | #28,301 |
| Street price | $129 |
| Power | 25 W |
| Performance per dollar | 20.60 |
| Released | 2020 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-1851 Max |
| Socket | AM4 |
| Chipset | B550 |
| Form factor | 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 | None |
| Overclocking | CPU + memory |
| VRM | 14+1+1 phases, 50 A stages |
| BIOS | UEFI |
Related guides
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Cite this page: Hardware Spec Index, “Zephyra MB-1851 Max B550 ATX Motherboard”, https://vextor7.com/item/24925 (accessed 2026-10-18).