Hardware Spec Index

Kyndral MB-3857 XT X670E Micro-ATX Wi-Fi 7 Motherboard

Motherboards · Kyndral · SKU MB3857-XT · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index5,310 (Motherboards scale)
Category rank#32,629
Street price$559
Power47 W
Performance per dollar9.50
Released2024

Specifications

BrandKyndral
ModelKyndral MB-3857 XT
SocketAM5
ChipsetX670E
Form factorMicro-ATX
Memory4× DDR5 DIMM, up to 256 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)
Ethernet5GbE
WirelessWi-Fi 7 (802.11be, 320 MHz) + Bluetooth 5.4
OverclockingCPU + memory
VRM21+2+2 phases, 90 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Kyndral MB-3857 XT X670E Micro-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/24671128 (accessed 2026-10-19).