![OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/71Vz3D01fSL._AC_UF894,1000_QL80_.jpg)
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com
![CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com](https://m.media-amazon.com/images/I/71eVw9HLcEL._AC_UF894,1000_QL80_.jpg)
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com
![OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com](https://m.media-amazon.com/images/I/61mlx7jlbVL._AC_UF894,1000_QL80_.jpg)
OFFTEK 4GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad T420 (DDR3-12800) Laptop Memory at Amazon.com
![A-Tech 8GB RAM for Lenovo THINKPAD T420 4177 | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Module at Amazon.com A-Tech 8GB RAM for Lenovo THINKPAD T420 4177 | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Module at Amazon.com](https://m.media-amazon.com/images/I/71605qtmcVL._AC_UF894,1000_QL80_.jpg)
A-Tech 8GB RAM for Lenovo THINKPAD T420 4177 | DDR3 1333MHz SODIMM PC3-10600 204-Pin Non-ECC Memory Upgrade Module at Amazon.com
![NeweggBusiness - ThinkPad Laptop Intel Core i5 2.50GHz 4GB Memory 128 GB SSD 14.0" Windows 10 Pro 64-Bit T420 NeweggBusiness - ThinkPad Laptop Intel Core i5 2.50GHz 4GB Memory 128 GB SSD 14.0" Windows 10 Pro 64-Bit T420](https://c1.neweggimages.com/NeweggImage/productimage/34-317-757-10.jpg)
NeweggBusiness - ThinkPad Laptop Intel Core i5 2.50GHz 4GB Memory 128 GB SSD 14.0" Windows 10 Pro 64-Bit T420
![CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com](https://m.media-amazon.com/images/I/61LAcHTo7nL._AC_UF894,1000_QL80_.jpg)
CMS 16GB (2X8GB) DDR3 10600 1333MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad T420 4177, 4178, 4180, 4236 Series - A13 at Amazon.com
![Refurbished: Lenovo ThinkPad T420 - I5-2520 2.5GHz - 16GB RAM - 240gb SSD DVD-RW - 14" - Win 10 Pro - Newegg.com Refurbished: Lenovo ThinkPad T420 - I5-2520 2.5GHz - 16GB RAM - 240gb SSD DVD-RW - 14" - Win 10 Pro - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A5WM_131829958958930970kNeXmBUVeS.jpg)
Refurbished: Lenovo ThinkPad T420 - I5-2520 2.5GHz - 16GB RAM - 240gb SSD DVD-RW - 14" - Win 10 Pro - Newegg.com
![Lenovo ThinkPad T420 Business Laptop, Intel Core i7-2nd Gen. CPU, 8GB RAM, 256GB SSD, 14 Display, Windows 10 Pro, Refurbished Laptop Lenovo ThinkPad T420 Business Laptop, Intel Core i7-2nd Gen. CPU, 8GB RAM, 256GB SSD, 14 Display, Windows 10 Pro, Refurbished Laptop](https://cdn.myrapidtrack.com/products/images/1641468990169377145.jpg)