Hardware Spec Index

Orbita MB-3189 Ultra B550 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB3189-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index2,179 (Motherboards scale)
Category rank#24,017
Street price$89
Power22 W
Performance per dollar24.48
Released2020

Specifications

BrandOrbita
ModelOrbita MB-3189 Ultra
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
VRM12+1+1 phases, 70 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-3189 Ultra B550 Micro-ATX Motherboard”, https://vextor7.com/item/8053804 (accessed 2026-10-21).