Hardware Spec Index

Orbita MB-4891 Ti B550 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB4891-TI · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index2,151 (Motherboards scale)
Category rank#18,796
Street price$99
Power21 W
Performance per dollar21.73
Released2021

Specifications

BrandOrbita
ModelOrbita MB-4891 Ti
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory2× DDR4 DIMM, up to 64 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
VRM12+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-4891 Ti B550 Micro-ATX Motherboard”, https://vextor7.com/item/7951914 (accessed 2026-10-23).