Hardware Spec Index

Orbita MB-2903 Ultra B550 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB2903-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,903 (Motherboards scale)
Category rank#18,966
Street price$89
Power20 W
Performance per dollar21.38
Released2020

Specifications

BrandOrbita
ModelOrbita MB-2903 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 slots2 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

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Novexa MB-5948 Core X570 Micro-ATX Wi-Fi 6 Motherboard5,281$539Compare
Halcyra MB-9020 Ti X570 ATX Wi-Fi 6E Motherboard5,418$589Compare
Novexa MB-2557 Prime B860 Micro-ATX Wi-Fi 6E Motherboard3,350$209Compare
Halcyra MB-4869 Max B650 ATX Wi-Fi 6E Motherboard3,171$189Compare
Novexa MB-7410 Core X570 Mini-ITX Motherboard1,975$69Compare
Orbita MB-3591 Plus H610 ATX Motherboard2,666$119Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-2903 Ultra B550 Micro-ATX Motherboard”, https://vextor7.com/item/278746 (accessed 2026-10-25).