Hardware Spec Index

Kyndral MB-6391 Pro X670E E-ATX Wi-Fi 6E Motherboard

Motherboards · Kyndral · SKU MB6391-PRO · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index5,792 (Motherboards scale)
Category rank#39,304
Street price$559
Power52 W
Performance per dollar10.36
Released2022

Specifications

BrandKyndral
ModelKyndral MB-6391 Pro
SocketAM5
ChipsetX670E
Form factorE-ATX
Memory4× DDR5 DIMM, up to 192 GB
Max memory speedDDR5-6400+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots4 total, 2× PCIe 5.0 x4
Rear USB-C1× USB 3.2 Gen 2x2 20Gbps (Type-C)
Ethernet10GbE + 2.5GbE
WirelessWi-Fi 6E (802.11ax, 6 GHz) + Bluetooth 5.3
OverclockingCPU + memory
VRM23+2+2 phases, 110 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Kyndral MB-6391 Pro X670E E-ATX Wi-Fi 6E Motherboard”, https://vextor7.com/item/78289701 (accessed 2026-10-18).