Hardware Spec Index

Orbita MB-8390 Prime B550 ATX Wi-Fi 6E Motherboard

Motherboards · Orbita · SKU MB8390-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index2,724 (Motherboards scale)
Category rank#19,811
Street price$149
Power28 W
Performance per dollar18.28
Released2021

Specifications

BrandOrbita
ModelOrbita MB-8390 Prime
SocketAM4
ChipsetB550
Form factorATX
Memory2× DDR4 DIMM, up to 64 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
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM14+1+1 phases, 60 A stages
BIOSUEFI

Related guides

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Cite this page: Hardware Spec Index, “Orbita MB-8390 Prime B550 ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/9490728 (accessed 2026-10-25).