Hardware Spec Index

Kyndral MB-4191 XT B550 Micro-ATX Wi-Fi 6E Motherboard

Motherboards · Kyndral · SKU MB4191-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index4,133 (Motherboards scale)
Category rank#12,109
Street price$319
Power37 W
Performance per dollar12.96
Released2021

Specifications

BrandKyndral
ModelKyndral MB-4191 XT
SocketAM4
ChipsetB550
Form factorMicro-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
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM18+2+1 phases, 70 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

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Cite this page: Hardware Spec Index, “Kyndral MB-4191 XT B550 Micro-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/6400102 (accessed 2026-10-26).