Improve laptop performance and capacity with extra hard drive. Support Plug & Play; Fast & Reliable connection just as the primary HDD.Fully integrated into Laptop, no cables / PSU / software driver needed. Dual boot, Support installation of 2nd Operating System on the 2nd HDD and boot selection. Installation: Unpack the New drive, lift the adapter retaining latch, the screw to the hard disk; Insert the drive into the Adapter at an angle; Slide the drive into the connector until it locks into place; Lower the adapter retaining latch until it snaps closed Note: Please check the below cool item, that will turn your original 12.7mm sata connection drive into an external DVD drive, better yet, no AC adapter needed; External case for 12.7mm Sata DVD drive.£¨Only a case, not included any drive ) Make NTFS hard drive if you are using it as a new in disk management