Hardware Spec Index

Kyndral MB-7866 XT B550 E-ATX Motherboard

Motherboards · Kyndral · SKU MB7866-XT · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index2,465 (Motherboards scale)
Category rank#15,618
Street price$119
Power25 W
Performance per dollar20.71
Released2020

Specifications

BrandKyndral
ModelKyndral MB-7866 XT
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
VRM13+1+1 phases, 70 A stages
BIOSUEFI

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Cite this page: Hardware Spec Index, “Kyndral MB-7866 XT B550 E-ATX Motherboard”, https://vextor7.com/item/41661342 (accessed 2026-10-24).