Zephyra MB-9999 XT Z890 ATX Wi-Fi 7 Motherboard
Motherboards · Zephyra · SKU MB9999-XT · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 5,715 (Motherboards scale) |
|---|---|
| Category rank | #4,778 |
| Street price | $689 |
| Power | 52 W |
| Performance per dollar | 8.29 |
| Released | 2025 |
Specifications
| Brand | Zephyra |
|---|---|
| Model | Zephyra MB-9999 XT |
| Socket | LGA1851 |
| Chipset | Z890 |
| Form factor | ATX |
| Memory | 4× DDR5 DIMM, up to 256 GB |
| Max memory speed | DDR5-9000+ (OC, CUDIMM) |
| Primary x16 slot | PCIe 5.0 x16 |
| M.2 slots | 2 total, 1× PCIe 5.0 x4 |
| Rear USB-C | 2× Thunderbolt 5 (80Gbps, Type-C) |
| Ethernet | 10GbE + 2.5GbE |
| Wireless | Wi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4 |
| Overclocking | CPU + memory |
| VRM | 23+2+2 phases, 110 A stages |
| BIOS | Dual UEFI, BIOS flashback button |
Related guides
PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1851 SocketIntel 800 Series ChipsetsDDR5 Memory ExplainedPCIe 5.0 Explained
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Cite this page: Hardware Spec Index, “Zephyra MB-9999 XT Z890 ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/4029469 (accessed 2026-10-21).