Hardware Spec Index

Orbita MB-9991 Core B550 E-ATX Motherboard

Motherboards · Orbita · SKU MB9991-CORE · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index2,627 (Motherboards scale)
Category rank#28,782
Street price$119
Power25 W
Performance per dollar22.08
Released2022

Specifications

BrandOrbita
ModelOrbita MB-9991 Core
SocketAM4
ChipsetB550
Form factorE-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
VRM14+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-9991 Core B550 E-ATX Motherboard”, https://vextor7.com/item/7188565 (accessed 2026-10-20).