Hardware Spec Index

Kyndral MB-9447 Ultra B550 ATX Motherboard

Motherboards · Kyndral · SKU MB9447-ULTRA · Released 2021 · Updated 2026-10-27

Key facts

Benchmark index1,937 (Motherboards scale)
Category rank#4,589
Street price$79
Power19 W
Performance per dollar24.52
Released2021

Specifications

BrandKyndral
ModelKyndral MB-9447 Ultra
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (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
OverclockingCPU + memory
VRM12+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-9447 Ultra B550 ATX Motherboard”, https://vextor7.com/item/98099204 (accessed 2026-10-27).