4 pin fan power supply splitter extension cable can extend 1 CPU fan port to 5 fan ports to solve the lack of pc case fans ports and reduce the load on the motherboard. Easy to Plug & Installations- The Extension Cable Offers Greater Flexibility Between Motherboard and CPU Cooling Fans.The adhesive on the back can be used to fix the hub in the chassis, tool-free installation, and not easy to drop. WIDELY COMPATIBLE- The Cable is One 4-Pin Female Connector to 4-Pin Male Connector, Support 4-Pin and 3-Pin Fans Cable, The 1 to 5 Splitter 5 way Fan Power Extension Cable Compatible with 4-Pin and 3-Pin PC Case Motherboard Fans. DURABLE CONSTRUCTION - Each cable extension cord is sleeved in flexible and sturdy braided black nylon to more durable and make the inside of pc case looks more clean & tidy provide long-lasting performance as well as to avoid dust and breakage.