Hardware Spec Index

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

Motherboards · Zephyra · SKU MB3874-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index3,196 (Motherboards scale)
Category rank#13,555
Street price$199
Power29 W
Performance per dollar16.06
Released2022

Specifications

BrandZephyra
ModelZephyra MB-3874 Prime
SocketAM5
ChipsetB650
Form factorE-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 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
VRM15+1+1 phases, 60 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-3874 Prime B650 E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/85544043 (accessed 2026-10-25).