Hardware Spec Index

Orbita MB-2903 Core B550 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB2903-CORE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,967 (Motherboards scale)
Category rank#34,312
Street price$79
Power20 W
Performance per dollar24.90
Released2021

Specifications

BrandOrbita
ModelOrbita MB-2903 Core
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, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-2903 Core B550 Micro-ATX Motherboard”, https://vextor7.com/item/20049052 (accessed 2026-10-20).