Hardware Spec Index

Zephyra MB-8581 Ultra B650E ATX Wi-Fi 7 Motherboard

Motherboards · Zephyra · SKU MB8581-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index5,495 (Motherboards scale)
Category rank#7,641
Street price$619
Power49 W
Performance per dollar8.88
Released2024

Specifications

BrandZephyra
ModelZephyra MB-8581 Ultra
SocketAM5
ChipsetB650E
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM22+2+2 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-8581 Ultra B650E ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/20084347 (accessed 2026-10-20).