Hardware Spec Index

Zephyra MB-9381 Ultra B850 Mini-ITX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB9381-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index3,525 (Motherboards scale)
Category rank#34,278
Street price$239
Power32 W
Performance per dollar14.75
Released2026

Specifications

BrandZephyra
ModelZephyra MB-9381 Ultra
SocketAM5
ChipsetB850
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM16+1+1 phases, 60 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-9381 Ultra B850 Mini-ITX Wi-Fi 6E Motherboard”, https://vextor7.com/item/91318458 (accessed 2026-10-22).