Check the listing for details. Lenovo ThinkPad E550 - Hard Drive HDD 2.5 W/ Windows 10 Pro 64-Bit. Condition: Used. Listed at 28.00 USD. 2.5" SATA INTERNAL Laptop Hard Disk Drive with Windows 10 Professional and Drivers Installed. Drive is for the Listed model ONLY. Please sent us message if your model is different. Please Note drive is made MBR for Legacy Boot. If your current boot mode is UEFI it needs to be changed to Legacy for drive to boot up. Plug and Play. Simply install into your laptop and turn on and you will be up and running. Perfect replacement and solution if your current hard drive is faulty and needs to be replaced, or you just need an upgrade. No system recovery CD or USB needed which saves you time and money! All hard drives sold are fully tested using industry recognized software and all have been S.M.A.R.T checked so you have peace of mind you are buying a reliable hard drive. Please do not hesitate to ask any questions regarding this product. All questions will be answered promptly. Comes with Warranty