Hardware Spec Index

Kyndral MB-8621 XT Z790 ATX DDR4 Wi-Fi 7 Motherboard

Motherboards · Kyndral · SKU MB8621-XT · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index4,946 (Motherboards scale)
Category rank#4,190
Street price$479
Power46 W
Performance per dollar10.33
Released2025

Specifications

BrandKyndral
ModelKyndral MB-8621 XT
SocketLGA1700
ChipsetZ790
Form factorATX
Memory4× DDR4 DIMM, up to 128 GB
Max memory speedDDR4-4800+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots5 total, 1× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (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

PCIe Lanes ExplainedM.2 SSD Sizes and KeysIntel LGA1700 SocketPCIe 5.0 ExplainedWi-Fi 7 (802.11be) ExplainedAMD AM5 Chipsets Compared

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Cite this page: Hardware Spec Index, “Kyndral MB-8621 XT Z790 ATX DDR4 Wi-Fi 7 Motherboard”, https://vextor7.com/item/5850842 (accessed 2026-10-26).