Hardware Spec Index

Zephyra MB-3390 Plus A620 Mini-ITX Motherboard

Motherboards · Zephyra · SKU MB3390-PLUS · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,633 (Motherboards scale)
Category rank#35,067
Street price$69
Power17 W
Performance per dollar23.67
Released2024

Specifications

BrandZephyra
ModelZephyra MB-3390 Plus
SocketAM5
ChipsetA620
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM11+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-3390 Plus A620 Mini-ITX Motherboard”, https://vextor7.com/item/9841540 (accessed 2026-10-20).