The SATA 22 pin (15+7 pin) data power to IDE+ Sata 7 pin2-in-1 cable can both power and high speed transmission. No need to purchase additional SATA data cable or SATA power cable, only one cable solves two needs. Saving money and convenient to carry. The package contains 2 SATA power supply 2-in-1 cables. This SATA cable connects the motherboard and host controller to the internal serial ATA hard drive and DVD drive, quickly upgrading your computer for expanded storage, reduce the risk of damaging the drive or the motherboard SATA connector.