Hardware Spec Index

Zephyra MB-4390 XT A620 ATX Motherboard

Motherboards · Zephyra · SKU MB4390-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,196 (Motherboards scale)
Category rank#7,335
Street price$89
Power22 W
Performance per dollar24.67
Released2025

Specifications

BrandZephyra
ModelZephyra MB-4390 XT
SocketAM5
ChipsetA620
Form factorATX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 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-4390 XT A620 ATX Motherboard”, https://vextor7.com/item/83674549 (accessed 2026-10-21).