Hardware Spec Index

Orbita MB-2889 Plus B550 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB2889-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,524 (Motherboards scale)
Category rank#36,999
Street price$129
Power25 W
Performance per dollar19.57
Released2021

Specifications

BrandOrbita
ModelOrbita MB-2889 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 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM14+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-2889 Plus B550 Micro-ATX Motherboard”, https://vextor7.com/item/1177396 (accessed 2026-10-25).