![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
![CMS 256GB SATA3 6GB/s 2.5" Internal SSD Compatible with Lenovo ThinkPad T460s, T470 T520 T520i - C91 - Walmart.com CMS 256GB SATA3 6GB/s 2.5" Internal SSD Compatible with Lenovo ThinkPad T460s, T470 T520 T520i - C91 - Walmart.com](https://i5.walmartimages.com/asr/a2812c38-c387-4a47-b372-a8a86002122f_1.764a4e3f7da1065f0140f35dfaf64d81.png?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
CMS 256GB SATA3 6GB/s 2.5" Internal SSD Compatible with Lenovo ThinkPad T460s, T470 T520 T520i - C91 - Walmart.com
![Amazon.com: Nimitz 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530 : Electronics Amazon.com: Nimitz 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530 : Electronics](https://m.media-amazon.com/images/I/51hQav5t9DL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Nimitz 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530 : Electronics
![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 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](https://m.media-amazon.com/images/I/71z2T6h7ikL._AC_UF894,1000_QL80_.jpg)
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: New 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T510I T520 T520I T530 T530I T530U W510 W520 W530 W700 W701 R400 R500 12.7mm high with Matched Faceplate/Bezel : Amazon.com: New 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T510I T520 T520I T530 T530I T530U W510 W520 W530 W700 W701 R400 R500 12.7mm high with Matched Faceplate/Bezel :](https://m.media-amazon.com/images/I/614EoIStBBL._AC_UF894,1000_QL80_.jpg)