Hardware Spec Index

Zephyra MB-9421 Plus X570 Mini-ITX Motherboard

Motherboards · Zephyra · SKU MB9421-PLUS · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,859 (Motherboards scale)
Category rank#34,645
Street price$69
Power18 W
Performance per dollar26.94
Released2019

Specifications

BrandZephyra
ModelZephyra MB-9421 Plus
SocketAM4
ChipsetX570
Form factorMini-ITX
Memory2× DDR4 DIMM, up to 64 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet1GbE
WirelessNone
OverclockingCPU + memory
VRM11+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Zephyra MB-9421 Plus X570 Mini-ITX Motherboard”, https://vextor7.com/item/83351314 (accessed 2026-10-21).