Hardware Spec Index

Kyndral MB-8921 Ultra A620 E-ATX Motherboard

Motherboards · Kyndral · SKU MB8921-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,926 (Motherboards scale)
Category rank#45,747
Street price$79
Power20 W
Performance per dollar24.38
Released2023

Specifications

BrandKyndral
ModelKyndral MB-8921 Ultra
SocketAM5
ChipsetA620
Form factorE-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
VRM12+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-8921 Ultra A620 E-ATX Motherboard”, https://vextor7.com/item/9717067 (accessed 2026-10-20).