Hardware Spec Index

Kyndral MB-3621 XT B550 ATX Motherboard

Motherboards · Kyndral · SKU MB3621-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index2,150 (Motherboards scale)
Category rank#33,613
Street price$89
Power20 W
Performance per dollar24.16
Released2021

Specifications

BrandKyndral
ModelKyndral MB-3621 XT
SocketAM4
ChipsetB550
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 4.0 x16
M.2 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM12+1+1 phases, 50 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-3233 Prime B760 ATX DDR4 Wi-Fi 6E Motherboard3,444$199Compare
Kyndral MB-3142 Ti X570 ATX Wi-Fi 6 Motherboard3,162$229Compare
Zephyra MB-2519 XT B550 Mini-ITX Wi-Fi 6E Motherboard3,822$329Compare
Orbita MB-8390 Ultra B550 ATX Wi-Fi 6E Motherboard3,681$299Compare
Zephyra MB-7884 Core B860 ATX Wi-Fi 6E Motherboard3,391$209Compare
Orbita MB-7534 Prime B550 ATX Wi-Fi 6E Motherboard3,912$339Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-3621 XT B550 ATX Motherboard”, https://vextor7.com/item/1614980 (accessed 2026-10-23).