Hardware Spec Index

Zephyra MB-6403 Prime A620 E-ATX Motherboard

Motherboards · Zephyra · SKU MB6403-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,902 (Motherboards scale)
Category rank#45,165
Street price$69
Power19 W
Performance per dollar27.57
Released2026

Specifications

BrandZephyra
ModelZephyra MB-6403 Prime
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 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM11+1+1 phases, 50 A stages
BIOSUEFI

Related guides

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Cite this page: Hardware Spec Index, “Zephyra MB-6403 Prime A620 E-ATX Motherboard”, https://vextor7.com/item/93316207 (accessed 2026-10-19).