Hardware Spec Index

Orbita MB-1991 Pro B550 ATX Wi-Fi 6 Motherboard

Motherboards · Orbita · SKU MB1991-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index3,153 (Motherboards scale)
Category rank#31,260
Street price$199
Power30 W
Performance per dollar15.84
Released2020

Specifications

BrandOrbita
ModelOrbita MB-1991 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 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessWi-Fi 6 (802.11ax) + Bluetooth 5.2
OverclockingCPU + memory
VRM15+1+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

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

Similar Motherboards

ModelBenchmarkPriceCompare
Kyndral MB-9588 Ti B550 ATX Wi-Fi 6E Motherboard4,134$389Compare
Zephyra MB-7304 XT Z790 ATX DDR4 Wi-Fi 6E Motherboard5,813$609Compare
Kyndral MB-7727 SE H610 Micro-ATX Motherboard2,313$99Compare
Novexa MB-5299 Max B650E E-ATX Wi-Fi 7 Motherboard4,594$399Compare
Orbita MB-3349 Plus X670E ATX Wi-Fi 7 Motherboard4,636$429Compare
Kyndral MB-2386 Pro Z790 Micro-ATX Wi-Fi 6E Motherboard4,450$419Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-1991 Pro B550 ATX Wi-Fi 6 Motherboard”, https://vextor7.com/item/4492022 (accessed 2026-10-19).