Sata 22pin male to sas 22 pin female adapter, use to protect your 2.5inch hdd port from damage Sata 22pin which 15pin for power, 7pin for data transfer Pvc molded, gold plated sata copper pin contact, please supply power when you use hard disk Compatible with 2.5inch/3.5inch HDD and some of the 1.8inch SSD Low profile design easy to use