Hardware Spec Index

Kyndral MB-3991 Plus B860 Mini-ITX Wi-Fi 7 Motherboard

Motherboards · Kyndral · SKU MB3991-PLUS · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index3,795 (Motherboards scale)
Category rank#19,699
Street price$299
Power35 W
Performance per dollar12.69
Released2026

Specifications

BrandKyndral
ModelKyndral MB-3991 Plus
SocketLGA1851
ChipsetB860
Form factorMini-ITX
Memory2× DDR5 DIMM, up to 128 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)
Ethernet2.5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingMemory only
VRM17+2+1 phases, 70 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
Zephyra MB-4294 Ultra X570 ATX Wi-Fi 6 Motherboard5,900$679Compare
Orbita MB-4377 Prime Z890 Micro-ATX Wi-Fi 7 Motherboard4,755$479Compare
Orbita MB-7032 Edge B650 ATX Wi-Fi 6E Motherboard3,189$179Compare
Kyndral MB-7213 Ti X570 ATX Wi-Fi 6 Motherboard3,001$199Compare
Kyndral MB-8554 Pro B550 Micro-ATX Wi-Fi 6 Motherboard3,003$169Compare
Novexa MB-2166 Pro Z790 Mini-ITX DDR4 Wi-Fi 7 Motherboard5,149$539Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-3991 Plus B860 Mini-ITX Wi-Fi 7 Motherboard”, https://vextor7.com/item/9545970 (accessed 2026-10-22).