Novexa MB-5921 Ultra B650 ATX Wi-Fi 6E Motherboard
Motherboards · Novexa · SKU MB5921-ULTRA · Released 2022 · Updated 2026-10-26
Key facts
| Benchmark index | 4,047 (Motherboards scale) |
|---|---|
| Category rank | #34,814 |
| Street price | $349 |
| Power | 39 W |
| Performance per dollar | 11.60 |
| Released | 2022 |
Specifications
| Brand | Novexa |
|---|---|
| Model | Novexa MB-5921 Ultra |
| Socket | AM5 |
| Chipset | B650 |
| Form factor | 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 2x2 20Gbps (Type-C) |
| Ethernet | 2.5GbE |
| Wireless | Wi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3 |
| Overclocking | CPU + memory |
| VRM | 19+2+1 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 |
|---|---|---|---|
| Halcyra MB-7401 Prime X570 ATX Wi-Fi 6 Motherboard | 4,004 | $369 | Compare |
| Zephyra MB-2327 XT X570 ATX Wi-Fi 6E Motherboard | 5,552 | $629 | Compare |
| Novexa MB-1992 Plus B650 ATX Motherboard | 2,659 | $149 | Compare |
| Zephyra MB-1233 Edge B650 Micro-ATX Motherboard | 2,497 | $119 | Compare |
| Novexa MB-2949 XT H610 ATX Motherboard | 2,306 | $89 | Compare |
| Orbita MB-3045 Ultra B650E E-ATX Wi-Fi 7 Motherboard | 4,821 | $389 | Compare |
Cite this page: Hardware Spec Index, “Novexa MB-5921 Ultra B650 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/83958822 (accessed 2026-10-26).