Hardware Spec Index

Zephyra MB-4556 XT B850 Mini-ITX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB4556-XT · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index3,521 (Motherboards scale)
Category rank#30,717
Street price$279
Power35 W
Performance per dollar12.62
Released2026

Specifications

BrandZephyra
ModelZephyra MB-4556 XT
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
VRM17+1+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-4556 XT B850 Mini-ITX Wi-Fi 6E Motherboard”, https://vextor7.com/item/14524345 (accessed 2026-10-21).