Hardware Spec Index

Kyndral MB-6621 Ultra B650 ATX Motherboard

Motherboards · Kyndral · SKU MB6621-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index2,558 (Motherboards scale)
Category rank#28,578
Street price$119
Power25 W
Performance per dollar21.50
Released2022

Specifications

BrandKyndral
ModelKyndral MB-6621 Ultra
SocketAM5
ChipsetB650
Form factorATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM14+1+1 phases, 70 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-6621 Ultra B650 ATX Motherboard”, https://vextor7.com/item/445501 (accessed 2026-10-19).