Amazon.com: CMS 512GB SATA 6GB/s 2.5" Internal SSD Compatible with Lenovo ThinkPad T420s, T430, T430i - C100 : Electronics
Lenovo ThinkPad T420 14.0" Standard Refurbished Laptop - Intel Core i5 2410M 2nd Gen 2.3 GHz 6GB SODIMM DDR3 SATA 2.5" 500GB HDD DVD-RW Windows 10 Home 64-Bit - Walmart.com
Bottom view - ThinkPad T420, T420i - Lenovo Support CH
Amazon.com: Laptop Wireless Network Adapter for Lenovo Thinkpad T420i T420S, Mini PCI E 2.4G/450Mbps 5G/450Mbps WiFi Network Card Chip for Intel 6300AGN, System for win7/win8/win10 : Electronics
2nd HDD SSD Hard Drive Caddy Compatible with Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530 - Newegg.com
ThinkPad 512GB PCIe NVMe M.2 2242 SSD | Lenovo US
Lenovo ThinkPad Laptop Computer T420 14" Core i5-2520m 2.5GHz 8GB 120GB SSD Windows 10-64 Home WiFi
NEW 512gb Msata Internal SSD SATA III For Lenovo ThinkPad T420 T430 T440 Laptop | eBay
Notebooks - What's this slot on T420 | bit-tech.net Forums
Amazon.com: Lenovo Thinkpad T420 Notebook PC - Intel Core i5 2410M 2.3G 8GB 320GB SATA Win 10 Professional (Renewed) : Electronics
Amazon.com: Bfenown 2nd HDD SSD Hard Drive Caddy Tray Replacement for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530, Internal Laptop CD DVD ROM Optical Modular Bay to 2.5 Inch