Hardware Spec Index

Zephyra MB-3874 Ultra B650 ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB3874-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index2,779 (Motherboards scale)
Category rank#3,708
Street price$149
Power27 W
Performance per dollar18.65
Released2026

Specifications

BrandZephyra
ModelZephyra MB-3874 Ultra
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 256 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 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM14+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-3874 Ultra B650 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/4156702 (accessed 2026-10-24).