1pcs 4-pin Molex To 3-pin Fan Power Cable Adapter Connector 12v Computer Cooling Fan Cables For Cpu Pc Case Fan - Pc Hardware Cables & Adapters - AliExpress
3-pin Fan Power Male to 4-pin Molex Male Cable, for Computer Fan, 6inch - PI Manufacturing
1.25mm Pitch 3-pin Cable 20cm long 1:N Cable [Molex PicoBlade Compatible] : ID 4923 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
4-pin Molex Female and Female to 3-pin Male Fan Power Cable - Monix PC: Nettops, Mini Computers, Mini HTPC, Mini PC, Small Factor Computers, ITX Computers
DarkSide 4-PIN Molex + RPM Wire to 3-PIN Fan Conversion Cable - 30cm Jet Black Sleeved (DS-0525) ModMyMods.com - PC Watercooling Parts and Accessories