Zephyra MB-8419 Prime B550 ATX Wi-Fi 6 Motherboard
Motherboards · Zephyra · SKU MB8419-PRIME · Released 2020 · Updated 2026-10-18
Key facts
| Benchmark index | 2,823 (Motherboards scale) |
|---|---|
| Category rank | #27,475 |
| Street price | $139 |
| Power | 28 W |
| Performance per dollar | 20.31 |
| Released | 2020 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-8419 Prime |
| 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 | Wi-Fi 6 (802.11ax) + Bluetooth 5.2 |
| Overclocking | CPU + memory |
| VRM | 14+1+1 phases, 60 A stages |
| BIOS | UEFI |
Related guides
PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket
Similar Motherboards
Cite this page: Hardware Spec Index, “Zephyra MB-8419 Prime B550 ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/19080158 (accessed 2026-10-18).