1.25mm Pitch 2-pin Cable Matching Pair - 40cm long [Molex PicoBlade Compatible] : ID 4720 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
6 Pin PCI to 6 Fan Connector. – Deep In The Mines LLC
FD1438B12U High Power Quiet Cooling Fan 6 Pin 140x140x38mm Utility Server Workstation Cooler Fan 6000rpm DC 12V 43.2W|Computer Cables & Connectors| - AliExpress