Convert your IDE/PATA controller on your motherboard to a SATA hard drive interfaces for use with older/newer computer systems. Adapter has female SATA power and data connectors, and male IDE/Molex data and power connectors. 
Note: adapters of this type CAN NOT be used with external hard drive enclosures, it WILL NOT FIT. Don't forget to adjust your BIOS settings to detect the adapted hard drive! You may need extra cables not included with this product.