Hardware Spec Index

Zephyra MB-3991 Edge X870E Mini-ITX Wi-Fi 7 Motherboard

Motherboards · Zephyra · SKU MB3991-EDGE · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index5,369 (Motherboards scale)
Category rank#39,808
Street price$569
Power50 W
Performance per dollar9.44
Released2024

Specifications

BrandZephyra
ModelZephyra MB-3991 Edge
SocketAM5
ChipsetX870E
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 total, 2× PCIe 5.0 x4
Rear USB-C2× USB4 40Gbps (Type-C)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM22+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-3991 Edge X870E Mini-ITX Wi-Fi 7 Motherboard”, https://vextor7.com/item/65932 (accessed 2026-10-19).