Hardware Spec Index

Orbita MB-8991 Pro A620 ATX Motherboard

Motherboards · Orbita · SKU MB8991-PRO · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,963 (Motherboards scale)
Category rank#29,288
Street price$79
Power20 W
Performance per dollar24.85
Released2026

Specifications

BrandOrbita
ModelOrbita MB-8991 Pro
SocketAM5
ChipsetA620
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM12+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-8991 Pro A620 ATX Motherboard”, https://vextor7.com/item/96826818 (accessed 2026-10-25).