Dell Latitude E6410 250GB 2.5" SATA Hard Drive with Caddy, Windows 7 Professional 32-Bit and Drivers Installed Preinstalled Operating System: Windows 7 Professional 32-Bit Most Common Drivers Installed, Alternative Drivers Saved on HD Buyer must have a Product Key for the installed operating system Comes with instructions on how to install hard drive and activate with your product key Made for the Dell Latitude E6410 laptop only. SATA Operation Mode - RAID