YSTD&reg; SATA 2nd SSD HDD Hard Drive Caddy For 12.7mm Universal CD/DVD-ROM Optical Bay Fast & Reliable connection just as the primary HDD. Fully integrated into Laptop, no cables / PSU / software driver needed. How to use: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. Compatible Models: as the description show. such as: Dell Inspiron N7110 N7010 N5110 DS-8A5SH DVD Drive; Dell Studio XPS 1640 1645 1647; Dell XPS 15 L502X L501X Compatible Models:HP Elite-Book 8460p 8560p 8760p; HP Pro-book 4510s 4530s 6440b 6445b 6450b 6455b 6550b 6555b 6460b Notebook PC; HP Probook 4410s 4411s 4416s 4321s 4421s 4310s 4431s 4710s; HP Probook 4510s replace TS-L633 DVD Drive; HP dv5 dv5z dv5t dv4; HP G42 G50 G60 G61 G70 G71 G72 425 620 625 630 Compatible Models:HP Compaq 6530b 6535b 6730b 6730s 6735b 6735s 6820s 6830s Notebook PC; HP Elite-Book 6930p 8440p 8530p 8540p Notebook PC; HP Elite-Book 8440w 8530w 8540w 8730w 8740w Mobile Workstation; HP Business Notebook: NC6000 NC8000 NW8000,NX5000 Series ; HP Elite-Book 8460w 8470w 8560w 8570w 8760w 8770w