This cable by Delock can be used for power supply for a fan or CPU cooler directly through a power supply unit with 4 pin interface. Furthermore you can connect another device with 4 pin port through this cable for power supply.
4 pin male > 1 x 4 pin female + 1 x 3 pin male (only 2 pins connected)
4 pin male > 3 pin ca. 24.5 cm (incl. connector)
4 pin male > 4 pin female ca. 14.5 cm (incl. connector)
• Power supply unit with a free 4 pin female port
• Poly bag