Hardware Spec Index

Zephyra MB-9857 SE B850 Micro-ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB9857-SE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index2,733 (Motherboards scale)
Category rank#34,726
Street price$169
Power27 W
Performance per dollar16.17
Released2025

Specifications

BrandZephyra
ModelZephyra MB-9857 SE
SocketAM5
ChipsetB850
Form factorMicro-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM14+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-9857 SE B850 Micro-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/10609239 (accessed 2026-10-22).