ThinkPad R400 is a laptop from Lenovo with features such as Intel Core 2 Duo processor, 2GB memory, DVD burner, 12.7mm Ultrabay Enhanced removable hard disk, wide-angle display, integrated graphics, keyboard, TrackPoint TouchPad and ThinkLight lighting.
This reference guide (PSREF) lists the key specifications, optional accessories, and support information for the ThinkPad TopSeller notebook family, primarily the R400 and R500 models. It includes processor, memory, display, storage, battery, wireless, and security features.
The document also details available accessories such as docks, batteries, cases, and external monitors, and outlines the warranty terms and service options offered by Lenovo for these business‑oriented notebooks.
| Processor (R400) | Intel® Core™ 2 Duo P8700 |
|---|---|
| Processor (R500) | Intel® Core™ 2 Duo T6670 |
| Standard Memory | 2 GB DDR3 PC3‑8500 |
| Maximum Memory | 4 GB DDR3 |
| Display (R400) | 14.1" WXGA (1280 × 800) CCFL |
| Display (R500) | 15.4" WXGA (1280 × 800) CCFL |
| Hard Drive | 250 GB SATA 5400 rpm |
A three‑year limited warranty with EasyServ depot‑repair service (and a one‑year battery warranty) is offered.