Features: and Package: 2 pieces 18cm SATA 15 Pin male to molex IDE 4 Pin female power cables full fill with your daily need. Connector: One end of the SATA power cable is a typical 4-pin IDE/ATAPI female power connector (which gets connected to an unused power cable from the power supply) and the other end (15-pin male connector) is connected to the SATA hard drive. Function: Converts new style power supply output of 15-pins SATA to 4-Pin molex for connection to legacy optical drives. Purpose: A very useful adapter for those looking to plug additional SATA drives (Hard Drives, DVD-ROMs) or devices (video cards, fans etc.) That require for extra ATA / SATA power connections from available IDE Molex power cable. Application: Suitable for 3.5 Inches SATA Hard Disk and 3.5 Inches SATA CD-ROM; DVD-ROM; DVD-R/for W; CD-R/for W and so on. Specifications: Connector A: SATA 15Pin Male Connector B: IDE Molex 4Pin Female Material: ABS, PVC Fit For: PC Hard Drives and CD ROM Drives Length: Approx. 18cm/7.09 iches Package Includes: 2x 15 Pin to 4 Pin Power Cables note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.