Hardware Spec Index

Zephyra MB-3981 Plus X670E Micro-ATX Wi-Fi 7 Motherboard

Motherboards · Zephyra · SKU MB3981-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index5,215 (Motherboards scale)
Category rank#27,513
Street price$549
Power48 W
Performance per dollar9.50
Released2025

Specifications

BrandZephyra
ModelZephyra MB-3981 Plus
SocketAM5
ChipsetX670E
Form factorMicro-ATX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots5 total, 2× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM22+2+2 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-3981 Plus X670E Micro-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/9048749 (accessed 2026-10-21).