Hardware Spec Index

Orbita MB-9139 Core B550 E-ATX Wi-Fi 6E Motherboard

Motherboards · Orbita · SKU MB9139-CORE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index3,285 (Motherboards scale)
Category rank#15,876
Street price$209
Power32 W
Performance per dollar15.72
Released2021

Specifications

BrandOrbita
ModelOrbita MB-9139 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 slots5 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
VRM16+1+1 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Orbita MB-9139 Core B550 E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/2671735 (accessed 2026-10-25).