Hardware Spec Index

Kyndral MB-4991 Ultra A620 ATX Motherboard

Motherboards · Kyndral · SKU MB4991-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index2,423 (Motherboards scale)
Category rank#16,579
Street price$109
Power23 W
Performance per dollar22.23
Released2026

Specifications

BrandKyndral
ModelKyndral MB-4991 Ultra
SocketAM5
ChipsetA620
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM13+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-4991 Ultra A620 ATX Motherboard”, https://vextor7.com/item/5759864 (accessed 2026-10-21).