Hardware Spec Index

Kyndral MB-6691 Prime A620 Micro-ATX Motherboard

Motherboards · Kyndral · SKU MB6691-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index2,370 (Motherboards scale)
Category rank#2,840
Street price$109
Power24 W
Performance per dollar21.74
Released2023

Specifications

BrandKyndral
ModelKyndral MB-6691 Prime
SocketAM5
ChipsetA620
Form factorMicro-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (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
VRM13+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-6691 Prime A620 Micro-ATX Motherboard”, https://vextor7.com/item/2018567 (accessed 2026-10-20).