Hardware Spec Index

Zephyra MB-7858 Ultra X670E Mini-ITX Wi-Fi 7 Motherboard

Motherboards · Zephyra · SKU MB7858-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index4,726 (Motherboards scale)
Category rank#23,145
Street price$479
Power46 W
Performance per dollar9.87
Released2025

Specifications

BrandZephyra
ModelZephyra MB-7858 Ultra
SocketAM5
ChipsetX670E
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (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)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM21+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-7858 Ultra X670E Mini-ITX Wi-Fi 7 Motherboard”, https://vextor7.com/item/31490146 (accessed 2026-10-25).