Hardware Spec Index

Orbita MB-8858 Prime B860 ATX Motherboard

Motherboards · Orbita · SKU MB8858-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index2,684 (Motherboards scale)
Category rank#8,786
Street price$129
Power27 W
Performance per dollar20.81
Released2025

Specifications

BrandOrbita
ModelOrbita MB-8858 Prime
SocketLGA1851
ChipsetB860
Form factorATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-9000+ (OC, CUDIMM)
Primary x16 slotPCIe 5.0 x16
M.2 slots5 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingMemory only
VRM14+1+1 phases, 50 A stages
BIOSUEFI

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1851 SocketIntel 800 Series ChipsetsDDR5 Memory ExplainedPCIe 5.0 Explained

Similar Motherboards

ModelBenchmarkPriceCompare
Novexa MB-5443 Plus Z890 ATX Wi-Fi 7 Motherboard4,688$449Compare
Kyndral MB-5297 Ultra X570 Mini-ITX Wi-Fi 6 Motherboard4,909$499Compare
Novexa MB-1225 XT X870E ATX Wi-Fi 7 Motherboard4,392$389Compare
Zephyra MB-2540 Ti X570 Mini-ITX Wi-Fi 6 Motherboard3,503$199Compare
Orbita MB-5244 SE B550 Mini-ITX Wi-Fi 6 Motherboard3,117$169Compare
Zephyra MB-4491 Core X570 ATX Motherboard2,608$159Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-8858 Prime B860 ATX Motherboard”, https://vextor7.com/item/79484172 (accessed 2026-10-23).