Hardware Spec Index

Orbita MB-6638 Pro B550 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB6638-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,787 (Motherboards scale)
Category rank#20,054
Street price$69
Power17 W
Performance per dollar25.90
Released2020

Specifications

BrandOrbita
ModelOrbita MB-6638 Pro
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
VRM11+1+1 phases, 50 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
Zephyra MB-3560 Ultra X570 Micro-ATX Wi-Fi 6 Motherboard5,128$519Compare
Orbita MB-9057 XT X570 ATX Wi-Fi 6E Motherboard4,788$369Compare
Halcyra MB-8299 Plus X570 ATX Motherboard1,899$79Compare
Orbita MB-1704 Edge H610 ATX DDR4 Motherboard2,291$119Compare
Kyndral MB-6624 Max Z790 ATX Wi-Fi 7 Motherboard4,727$429Compare
Novexa MB-7639 Max B650E ATX Wi-Fi 7 Motherboard5,808$619Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-6638 Pro B550 Micro-ATX Motherboard”, https://vextor7.com/item/9723853 (accessed 2026-10-21).