Hardware Spec Index

Kyndral MB-3687 Plus B550 E-ATX Motherboard

Motherboards · Kyndral · SKU MB3687-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,565 (Motherboards scale)
Category rank#26,350
Street price$69
Power16 W
Performance per dollar22.68
Released2021

Specifications

BrandKyndral
ModelKyndral MB-3687 Plus
SocketAM4
ChipsetB550
Form factorE-ATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots2 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM10+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
Halcyra MB-6229 Plus B550 ATX Wi-Fi 6E Motherboard3,220$199Compare
Kyndral MB-2740 Ti B550 Mini-ITX Wi-Fi 6 Motherboard4,033$289Compare
Halcyra MB-5911 Core Z790 ATX DDR4 Wi-Fi 6E Motherboard4,989$499Compare
Halcyra MB-1256 Plus B650E ATX Wi-Fi 6E Motherboard5,810$679Compare
Kyndral MB-1558 SE X570 ATX Wi-Fi 6 Motherboard5,290$679Compare
Halcyra MB-4927 Ti X870E Mini-ITX Wi-Fi 7 Motherboard4,639$439Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-3687 Plus B550 E-ATX Motherboard”, https://vextor7.com/item/674776 (accessed 2026-10-20).