![My upgraded T520. Including a spare M.2 mounted on...the ultrabay, a new battery, and a quad i7 (originally a dual i5) Running a retro themed Q4OS. : r/thinkpad My upgraded T520. Including a spare M.2 mounted on...the ultrabay, a new battery, and a quad i7 (originally a dual i5) Running a retro themed Q4OS. : r/thinkpad](https://i.redd.it/zbdwma7zb7q91.jpg)
My upgraded T520. Including a spare M.2 mounted on...the ultrabay, a new battery, and a quad i7 (originally a dual i5) Running a retro themed Q4OS. : r/thinkpad
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Amazon.com: Lenovo ThinkPad T520 Laptop Notebook - Intel Core i5 2.5GHz - 8GB DDR3 - 128GB SSD - 15.6in Display- DVD - Windows 10 Pro (Renewed) : Electronics
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16GB KIT (2 x 8GB) for IBM Lenovo ThinkPad T Series T420 T420i T420s T520 T520i. SO-DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
![Amazon.com: Lenovo ThinkPad T520 Laptop Notebook - Intel Core i5 2.5GHz - 8GB DDR3 - 128GB SSD - 15.6in Display- DVD - Windows 10 Pro (Renewed) : Electronics Amazon.com: Lenovo ThinkPad T520 Laptop Notebook - Intel Core i5 2.5GHz - 8GB DDR3 - 128GB SSD - 15.6in Display- DVD - Windows 10 Pro (Renewed) : Electronics](https://m.media-amazon.com/images/I/71CxHCFzOUL._AC_UF894,1000_QL80_.jpg)