defantech&reg; SATA 2nd HDD Hard Drive caddy for DELL D600 D610 D620 D630 D800 D810 D820 D830 The 2nd Hard Disk Drive Caddy / Adapter to bring you new maximum data storage flexibility. With the second HDD in your Laptop, You can speed to backup important applications and critical data (Simply remove your CD-ROM drive and put the Caddy (with the added hard drive) in its place). Working with 2.5" 9.5mm / 12.7mm Serial ATA Hard drive HDD and SSD (Solid State Drive) as well compatible:DELL Latitude : X300 D400, D500, D505, D510,D600, D610,D620,D630,D800,D810,D820,D830, D8100 D5100 compatible:DELL Inspiron : 8500, 8600, 9100 compatible:DELL Inspiron : 300M, 500M, 510M, 600M