Hardware Spec Index

Zephyra MB-2891 Ultra X670E Mini-ITX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB2891-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index5,193 (Motherboards scale)
Category rank#42,253
Street price$559
Power49 W
Performance per dollar9.29
Released2023

Specifications

BrandZephyra
ModelZephyra MB-2891 Ultra
SocketAM5
ChipsetX670E
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 96 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 total, 2× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM22+2+2 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-2891 Ultra X670E Mini-ITX Wi-Fi 6E Motherboard”, https://vextor7.com/item/4948076 (accessed 2026-10-23).