Novexa MB-4973 Ultra B550 ATX Motherboard
Motherboards · Novexa · SKU MB4973-ULTRA · Released 2020 · Updated 2026-10-19
Key facts
| Benchmark index | 1,892 (Motherboards scale) |
|---|---|
| Category rank | #27,325 |
| Street price | $79 |
| Power | 19 W |
| Performance per dollar | 23.95 |
| Released | 2020 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa MB-4973 Ultra |
| 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 | 2 total |
| Rear USB-C | 1× USB 3.2 Gen 2 10Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | None |
| Overclocking | CPU + memory |
| VRM | 11+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
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Novexa MB-2101 Ti X570 ATX Wi-Fi 6 Motherboard | 5,545 | $569 | Compare |
| Novexa MB-7342 Ti B650E E-ATX Wi-Fi 7 Motherboard | 5,521 | $699 | Compare |
| Orbita MB-2136 Core A620 ATX Motherboard | 2,259 | $109 | Compare |
| Halcyra MB-2986 Edge B650 ATX Wi-Fi 6E Motherboard | 3,668 | $239 | Compare |
| Zephyra MB-6765 Prime A620 ATX Motherboard | 1,924 | $79 | Compare |
| Kyndral MB-1876 Max B550 Mini-ITX Motherboard | 2,798 | $139 | Compare |
Cite this page: Hardware Spec Index, “Novexa MB-4973 Ultra B550 ATX Motherboard”, https://vextor7.com/item/12141011 (accessed 2026-10-19).