Hardware Spec Index

Orbita MB-3191 Pro B550 ATX Motherboard

Motherboards · Orbita · SKU MB3191-PRO · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index2,550 (Motherboards scale)
Category rank#32,497
Street price$139
Power25 W
Performance per dollar18.35
Released2020

Specifications

BrandOrbita
ModelOrbita MB-3191 Pro
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
VRM14+1+1 phases, 70 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-3191 Pro B550 ATX Motherboard”, https://vextor7.com/item/52948147 (accessed 2026-10-22).