Zephyra MB-1891 XT B650 Micro-ATX Motherboard
Motherboards · Zephyra · SKU MB1891-XT · Released 2024 · Updated 2026-10-21
Key facts
| Benchmark index | 2,730 (Motherboards scale) |
|---|---|
| Category rank | #14,946 |
| Street price | $129 |
| Power | 27 W |
| Performance per dollar | 21.16 |
| Released | 2024 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-1891 XT |
| Socket | AM5 |
| Chipset | B650 |
| Form factor | Micro-ATX |
| Memory | 4× DDR5 DIMM, up to 256 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 | None |
| Overclocking | CPU + memory |
| VRM | 14+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-3423 Edge X570 ATX Motherboard | 1,961 | $89 | Compare |
| Novexa MB-6306 XT B650 ATX Wi-Fi 7 Motherboard | 4,121 | $309 | Compare |
| Novexa MB-9679 SE H810 ATX Motherboard | 2,146 | $109 | Compare |
| Novexa MB-1437 Pro Z890 ATX Wi-Fi 7 Motherboard | 4,677 | $369 | Compare |
| Novexa MB-2096 Ultra B650E ATX Wi-Fi 6E Motherboard | 5,652 | $639 | Compare |
| Kyndral MB-6177 Edge Z790 ATX Wi-Fi 6E Motherboard | 4,955 | $459 | Compare |
Cite this page: Hardware Spec Index, “Zephyra MB-1891 XT B650 Micro-ATX Motherboard”, https://vextor7.com/item/4170934 (accessed 2026-10-21).