Hardware Spec Index

Kyndral MB-1557 Prime B650E E-ATX Wi-Fi 7 Motherboard

Motherboards · Kyndral · SKU MB1557-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index4,684 (Motherboards scale)
Category rank#34,663
Street price$399
Power44 W
Performance per dollar11.74
Released2025

Specifications

BrandKyndral
ModelKyndral MB-1557 Prime
SocketAM5
ChipsetB650E
Form factorE-ATX
Memory4× DDR5 DIMM, up to 256 GB
Max memory speedDDR5-8000+ (OC)
Primary x16 slotPCIe 5.0 x16
M.2 slots2 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
VRM20+2+2 phases, 80 A stages
BIOSDual UEFI, BIOS flashback button

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Cite this page: Hardware Spec Index, “Kyndral MB-1557 Prime B650E E-ATX Wi-Fi 7 Motherboard”, https://vextor7.com/item/7499036 (accessed 2026-10-25).