Hardware Spec Index

Kyndral MB-2891 Plus B550 Micro-ATX Motherboard

Motherboards · Kyndral · SKU MB2891-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,617 (Motherboards scale)
Category rank#20,174
Street price$129
Power26 W
Performance per dollar20.29
Released2021

Specifications

BrandKyndral
ModelKyndral MB-2891 Plus
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots5 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM14+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-2891 Plus B550 Micro-ATX Motherboard”, https://vextor7.com/item/46069825 (accessed 2026-10-25).