Hardware Spec Index

Orbita MB-7873 Prime B850 Micro-ATX Motherboard

Motherboards · Orbita · SKU MB7873-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index2,686 (Motherboards scale)
Category rank#25,796
Street price$159
Power26 W
Performance per dollar16.89
Released2025

Specifications

BrandOrbita
ModelOrbita MB-7873 Prime
SocketAM5
ChipsetB850
Form factorMicro-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM14+1+1 phases, 70 A stages
BIOSUEFI

Related guides

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Cite this page: Hardware Spec Index, “Orbita MB-7873 Prime B850 Micro-ATX Motherboard”, https://vextor7.com/item/69725185 (accessed 2026-10-20).