Hardware Spec Index

Kyndral MB-9643 Pro B550 E-ATX Motherboard

Motherboards · Kyndral · SKU MB9643-PRO · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,797 (Motherboards scale)
Category rank#35,302
Street price$79
Power18 W
Performance per dollar22.75
Released2020

Specifications

BrandKyndral
ModelKyndral MB-9643 Pro
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 slots4 total
Rear USB-C1× USB 3.2 Gen 2 10Gbps (Type-C)
Ethernet2.5GbE
WirelessNone
OverclockingCPU + memory
VRM11+1+1 phases, 60 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-9643 Pro B550 E-ATX Motherboard”, https://vextor7.com/item/6318362 (accessed 2026-10-23).