Lenovo ThinkPad X201 12.1 Laptop, Intel Core I5-520M up to 2.93Ghz, 4G DDR3, 120G SSD, VGA, DP, W10P64-Multi Languages Support (EN/ES/FR), 1 year warranty Used Grade A - Walmart.com
Lenovo ThinkPad X201, X201I, X201S, X201T Series Laptop 2.5 Hard Drive/SSD Drive | eBay
Fix or upgrade IBM Lenovo X201 Pc Tablet Fast and easy Computer Laptop CLICK IT! CLICK IT! - YouTube
Lenovo Thinkpad X201 i7-620M 8GB RAM 128GB Intel SSD Asus Wifi + MANY EXTRAS! | eBay
Amazon.com: 2nd HDD SSD Hard Drive Optical Bay Caddy Adapter for Lenovo Thinkpad T400 T410si T410i T420si T430si and x200 x201 x220 UltraBase : Electronics
Lenovo ThinkPad X201 Series - Notebookcheck.net External Reviews
Lenovo Thinkpad X200 X201 - SSD Solid State Drive W/ Windows 10 Pro 64-Bit | eBay
Refurbished: Refurbished Lenovo ThinkPad X201 12.1" Intel Core i5-520M 2.4GHz 4GB DDR3 120GB SSD Windows 10 Professional 64 Bits 1 Year Warranty - Newegg.com
Converting X201 to SSD - Need FRU 42W8019, 42W7888, or compatible alternative - Thinkpads Forum
Laptop Lenovo IBM X201 refurbished i5 540M 2.53GHz RAM 4GB SSD 128GB 12.1 "Webcam Windows 10 Wireless mouse charger Wifi battery as new - AliExpress
2nd HDD SSD Hard Drive Caddy for Lenovo ThinkPad x200 x201 x220 X230 UltraBase | eBay
This is my Thinkpad x201 i got with an Ultrabase 200, Charger and a Samsung SSD. All for 50€ : r/thinkpad
lenovao thinkpad x201 hdd replacing - YouTube
Lenovo Thinkpad X201: SSD Upgrade - YouTube
Lenovo ThinkPad X201 3680 Series
Lenovo ThinkPad X201 Hard Drive Replacement - iFixit Repair Guide
240GB 2.5" SSD Solid State Drive for Lenovo/IBM Thinkpad-X201-0053 X201-0831 X201-2985 X201-3093 X201-3113 X201-3144 X201-3239 Tablet : Electronics - Amazon.com
X201, I think from about 2010 or 2011. It's a little slow, but with the ssd, 8gb ram (instead of 4) and running Linux Mint, it sure isn't bad for a 10+