Hardware Spec Index

Orbita MB-8391 XT A620 E-ATX Motherboard

Motherboards · Orbita · SKU MB8391-XT · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index2,238 (Motherboards scale)
Category rank#21,303
Street price$99
Power22 W
Performance per dollar22.61
Released2023

Specifications

BrandOrbita
ModelOrbita MB-8391 XT
SocketAM5
ChipsetA620
Form factorE-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (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
OverclockingMemory only
VRM13+1+1 phases, 50 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Orbita MB-8391 XT A620 E-ATX Motherboard”, https://vextor7.com/item/16637624 (accessed 2026-10-22).