Hardware Spec Index

Zephyra MB-5557 Plus X670E ATX Wi-Fi 7 Motherboard

Motherboards · Zephyra · SKU MB5557-PLUS · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index4,380 (Motherboards scale)
Category rank#21,035
Street price$419
Power41 W
Performance per dollar10.45
Released2025

Specifications

BrandZephyra
ModelZephyra MB-5557 Plus
SocketAM5
ChipsetX670E
Form factorATX
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
VRM19+2+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Zephyra MB-5557 Plus X670E ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/8890698 (accessed 2026-10-24).