Use your 2.5" or 3.5 " IDE hard drives in a SATA hard drive docking station Suitable for 40-pin (3.5") and 44-pin (2.5") IDE hard drives Host ports: 1 - SATA (7-pin; data) plug 1 - SATA power (15-pin) male Drive connectors: 1 - IDE(40-pin; EIDE/PATA) female 1 - IDE(44-pin; EIDE/PATA; 2.5 HDD) female 1 - LP4 (4-pin; Molex hard drive power, large) connector (female) Connector(s): 1 - SP4 (4-pin; Hard Drive Disk power, small) connector (male)