Hardware Spec Index

Novexa MB-8643 Prime A620 E-ATX Motherboard

Motherboards · Novexa · SKU MB8643-PRIME · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index1,546 (Motherboards scale)
Category rank#830
Street price$69
Power15 W
Performance per dollar22.41
Released2024

Specifications

BrandNovexa
ModelNovexa MB-8643 Prime
SocketAM5
ChipsetA620
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 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
VRM10+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Novexa MB-8643 Prime A620 E-ATX Motherboard”, https://vextor7.com/item/7600273 (accessed 2026-10-24).