Hardware Spec Index

Kyndral MB-8321 Plus B550 E-ATX Motherboard

Motherboards · Kyndral · SKU MB8321-PLUS · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index2,298 (Motherboards scale)
Category rank#20,218
Street price$109
Power23 W
Performance per dollar21.08
Released2020

Specifications

BrandKyndral
ModelKyndral MB-8321 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 slots3 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM13+1+1 phases, 70 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-6719 Ultra X670E Mini-ITX Wi-Fi 7 Motherboard4,405$429Compare
Orbita MB-9009 Ti X570 ATX Wi-Fi 6E Motherboard5,900$699Compare
Orbita MB-2229 Prime B550 ATX Wi-Fi 6 Motherboard4,479$319Compare
Novexa MB-5012 Core A620 Mini-ITX Motherboard2,097$89Compare
Orbita MB-2093 Prime B550 ATX Motherboard1,503$69Compare
Halcyra MB-1831 XT X870E ATX Wi-Fi 7 Motherboard4,985$489Compare

All Motherboards · JSON

Cite this page: Hardware Spec Index, “Kyndral MB-8321 Plus B550 E-ATX Motherboard”, https://vextor7.com/item/74559534 (accessed 2026-10-24).