Hardware Spec Index

Zephyra MB-8641 Ultra X670E ATX Wi-Fi 6E Motherboard

Motherboards · Zephyra · SKU MB8641-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index4,986 (Motherboards scale)
Category rank#23,649
Street price$429
Power46 W
Performance per dollar11.62
Released2023

Specifications

BrandZephyra
ModelZephyra MB-8641 Ultra
SocketAM5
ChipsetX670E
Form factorATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots4 total, 2× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM21+2+2 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-8641 Ultra X670E ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/83318807 (accessed 2026-10-20).