Hardware Spec Index

Orbita MB-8891 Prime B860 ATX Wi-Fi 7 Motherboard

Motherboards · Orbita · SKU MB8891-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index4,591 (Motherboards scale)
Category rank#43,820
Street price$379
Power41 W
Performance per dollar12.11
Released2025

Specifications

BrandOrbita
ModelOrbita MB-8891 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 slots2 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingMemory only
VRM19+2+1 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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-6538 Pro X570 Micro-ATX Motherboard1,590$69Compare
Novexa MB-5301 Prime B860 ATX Wi-Fi 6E Motherboard3,349$199Compare
Zephyra MB-1404 Prime X570 Micro-ATX Wi-Fi 6 Motherboard3,317$199Compare
Kyndral MB-6583 Core X570 Micro-ATX Wi-Fi 6E Motherboard5,468$669Compare
Novexa MB-3292 Ti B650 E-ATX Wi-Fi 7 Motherboard3,790$289Compare
Kyndral MB-1221 Prime H610 E-ATX DDR4 Motherboard1,633$69Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Orbita MB-8891 Prime B860 ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/8065516 (accessed 2026-10-25).