TUTORIAL: Lenovo T440P M.2 SATA SSD Upgrade - YouTube
Lenovo Laptop ThinkPad T400 Notebook - Core 2 Duo 2.40GHz - 4GB DDR3 - 160GB - DVDRW - Windows 7 Pro 64bit - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
Lenovo T400 memory, hard drive, and keyboard replacement - YouTube
Thinkpad T400 Libreboot 256GB SSD 2.26GHz w/ 8GB RAM 9-Cell Bat AC ThinkLight | eBay
Chipal 2nd Hdd Caddy 9.5mm Sata 3.0 For 2.5" 2t Ssd Hdd Enclosure For Lenovo Thinkpad T400 T400s T500 W500 T410 T410s Dvd/cd-rom - Hdd & Ssd Enclosure - AliExpress
Lenovo Thinkpad T400 14.1" Core2 Duo P8600 2.4GHz 6GB 240GB SSD Win 7 Pro H1094 – ASA College: Florida
Another old form factor T400 project finished 2day. Win10 and SSD upgrade 😇👌🏽. : r/thinkpad
Lenovo ThinkPad T400 T500 SL500 - SSD Solid State Drive W/ Windows 10 Pro 64-Bit | eBay
Lenovo Laptop ThinkPad T400 Notebook - Core 2 Duo 2.40GHz - 4GB DDR3 - 160GB - DVDRW - Windows 7 Pro 64bit - Used with FREE 3 Year Warranty provided by CPS. - Walmart.com
SSD installed on Lenovo T400 laptop (first gen) - YouTube
Lenovo ThinkPad T400 Hardware and Software Upgrade 2021 - YouTube
LENOVO THINKPAD T400 T500 512GB Solid State Drive SSD W/ Windows 10 Pro 64-Bit | eBay
9.5mm SATA 2nd SSD HDD Caddy For Lenovo Thinkpad T420s T430s T500 W500 T400 T410 Hard Disk Drive Caddy