Hardware Spec Index

Zephyra MB-5557 Ultra A620 E-ATX Motherboard

Motherboards · Zephyra · SKU MB5557-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,152 (Motherboards scale)
Category rank#1,063
Street price$99
Power20 W
Performance per dollar21.74
Released2025

Specifications

BrandZephyra
ModelZephyra MB-5557 Ultra
SocketAM5
ChipsetA620
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM12+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-5557 Ultra A620 E-ATX Motherboard”, https://vextor7.com/item/2249606 (accessed 2026-10-21).