Amazon.com: High Performance Battery fit IBM ThinkPad Widescreen R61 R61i T61 T61p T400 R400 Series Laptop 14.1 Inch -Futurebatt : Electronics
Amazon.com: CERRXIAN 6.5ft 100W PD USB Type C Male Input to DC 7.9 x 5.5mm Male Power Charging Cable for Compatible with Lenovo Thinkpad T400 T410 T420 T420s T500 T520 T530 E545
Amazon.com: New Genuine Palmrest Touchpad for Thinkpad T400 R400 Series with FPR TP 45N5967 : Electronics
Amazon.com: GHU New Battery 48 WH Replacement for 33+ 41U3198 43r2499 42t4531 42T4644 Compatible with Lenovo Thinkpad R400 T400 14-inch 42T5263 42T5229 42T4677 42T5225 42T5229 42T5262 42T5264 : Electronics
Amazon.com: Lenovo Laptop ThinkPad T400 Core 2 Duo 2.26GHz - 4GB DDR3-160GB - DVD+CDRW - Windows 7 Home Premium 64bit : Electronics
Amazon.com: Laptop Battery for IBM/Lenovo ThinkPad R61 R61i T61 T61p T61u T400 R400 Series (ONLY for 14.1-inch Widescreen), fits 42T4644 42T4645 42T4677 42T4678 42T4743 42T4745 42T4771 42T5262 42T5264 : Electronics
Amazon.com: 2nd HDD SSD Hard Drive Optical Bay Caddy Adapter for Lenovo Thinkpad T400 T410si T410i T420si T430si and x200 x201 x220 UltraBase : Electronics
Amazon.com: High Performance Battery fit IBM ThinkPad Widescreen R61 R61i T61 T61p T400 R400 Series Laptop 14.1 Inch -Futurebatt : Electronics
4GB Team High Performance Memory RAM Upgrade Single Stick For Lenovo ThinkPad R400 Series R500 Series L aptop. The Memory Kit comes with Life Time Warranty. at Amazon.com