Hardware Spec Index

Kyndral MB-8638 XT Z890 Micro-ATX Wi-Fi 7 Motherboard

Motherboards · Kyndral · SKU MB8638-XT · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index4,605 (Motherboards scale)
Category rank#17,193
Street price$419
Power46 W
Performance per dollar10.99
Released2026

Specifications

BrandKyndral
ModelKyndral MB-8638 XT
SocketLGA1851
ChipsetZ890
Form factorMicro-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-9000+ (OC, CUDIMM)
Primary x16 slotPCIe 5.0 x16
M.2 slots4 total, 1× PCIe 5.0 x4
Rear USB-C2× Thunderbolt 4 (40Gbps, Type-C)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM21+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

Related guides

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Cite this page: Hardware Spec Index, “Kyndral MB-8638 XT Z890 Micro-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/9710872 (accessed 2026-10-21).