DarkSide USB cable with a transformer to up-volt to 12v level. Make sure you do not exceed USB max power specification: 0.5 A (USB 2.0) 0.9 A (USB 3.0). Cable is 19 (50cm) long and sleeved in HD jet black.

Specifications:

• USB to a dual fan connectors
• Fan connector type: 4pin (connects both 3-pin and 4-pin fans)
• Cable Length: 50cm
• Sleeving: DarkSide Jet Back