Hardware Spec Index

Kyndral MB-9906 Ultra B550 ATX Motherboard

Motherboards · Kyndral · SKU MB9906-ULTRA · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,559 (Motherboards scale)
Category rank#32,413
Street price$69
Power16 W
Performance per dollar22.59
Released2021

Specifications

BrandKyndral
ModelKyndral MB-9906 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 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM10+1+1 phases, 50 A stages
BIOSUEFI

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Orbita MB-8785 SE H810 Micro-ATX Motherboard1,917$79Compare
Zephyra MB-8527 Ultra X570 ATX Wi-Fi 6E Motherboard4,502$449Compare
Orbita MB-1129 XT Z890 Mini-ITX Wi-Fi 7 Motherboard4,266$429Compare
Novexa MB-3286 Prime B760 Micro-ATX Wi-Fi 6E Motherboard3,611$249Compare
Zephyra MB-8720 Ultra Z790 ATX Wi-Fi 6E Motherboard5,813$699Compare
Zephyra MB-4256 Plus A620 Micro-ATX Motherboard1,992$99Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-9906 Ultra B550 ATX Motherboard”, https://vextor7.com/item/94092959 (accessed 2026-10-26).