Hardware Spec Index

Kyndral MB-3866 Plus B550 Micro-ATX Motherboard

Motherboards · Kyndral · SKU MB3866-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,523 (Motherboards scale)
Category rank#4,043
Street price$109
Power24 W
Performance per dollar23.15
Released2021

Specifications

BrandKyndral
ModelKyndral MB-3866 Plus
SocketAM4
ChipsetB550
Form factorMicro-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM13+1+1 phases, 60 A stages
BIOSUEFI

Related guides

PCIe Lanes ExplainedM.2 SSD Sizes and KeysAMD AM5 Chipsets ComparedIntel 800 Series ChipsetsAMD AM5 SocketIntel LGA1851 Socket

Similar Motherboards

ModelBenchmarkPriceCompare
Zephyra MB-2820 XT B550 Micro-ATX Wi-Fi 6 Motherboard3,244$189Compare
Zephyra MB-2094 Plus X570 Micro-ATX Wi-Fi 6 Motherboard5,296$559Compare
Kyndral MB-7261 XT B860 E-ATX Motherboard2,705$139Compare
Zephyra MB-6569 Prime B760 Mini-ITX Wi-Fi 6E Motherboard4,056$299Compare
Kyndral MB-4324 Ultra A620 Micro-ATX Motherboard1,626$69Compare
Orbita MB-6113 SE X570 Micro-ATX Wi-Fi 6E Motherboard5,216$569Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-3866 Plus B550 Micro-ATX Motherboard”, https://vextor7.com/item/6260412 (accessed 2026-10-20).