Power cables

Connectors

10-pin

Boom Precision Electronics C20343

LCSC
Manufacturer Boom Precision Electronics
Part # C20343
Shop Part # C20343

Boom Precision Electronics C8373

LCSC
Manufacturer Boom Precision Electronics
Part # C8373
Shop Part # C8373
Datasheet

Nextronics Engineering Z-81010100124000

LCSC
Manufacturer Nextronics Engineering
Part # Z-81010100124000
Shop Part # C110601
Datasheet

JILN 531410YBS0BW01

LCSC
Manufacturer JILN
Part # 531410YBS0BW01
Shop Part # C601911
Datasheet

16-pin

Boom Precision Electronics C8372

LCSC
Manufacturer Boom Precision Electronics
Part # C8372
Shop Part # C8372
Datasheet

JILN 531416YBS0BW02

LCSC
Manufacturer JILN
Part # 531416YBS0BW02
Shop Part # C601927
Datasheet

Wire

Old 40-pin IDE cables are a great source for the ribbon wire used in eurorack power cables and you can get them used for very cheap or even free.