
Specifications
The following table lists the specifications of the ThinkPad T400 and R400 :
Table 7. Specifications
| Feature | Description | |
| 
 | 
 | 
 | 
| Processor | v | Intel® Core™ 2 Duo processor P7370 (2.0 GHz),  | 
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor P8400 (2.26 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor P8600 (2.4 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor P8700 (2.53 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor P9500 (2.53 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor P9600 (2.66 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T5670 (1.8 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T5870 (2.0 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T6570 (2.1 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T9400 (2.53 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T9550 (2.66 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T9600 (2.8 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Core 2 Duo processor T9800 (2.93 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel® Celeron® M processor 575 (2.0 GHz),  | |
| 
 | 
 | cache | 
| 
 | v Intel Celeron M processor 585 (2.16 GHz),  | |
| 
 | v Intel Celeron Dual Core processor T1600 (1.66 GHz),  | |
| 
 | 
 | L2 cache | 
| 
 | v Intel Celeron Dual Core processor T1700 (1.83 GHz),  | |
| 
 | 
 | L2 cache | 
| 
 | 
 | 
 | 
| Bus architecture | v | |
| 
 | v | |
| 
 | v | PCI bus | 
| 
 | v | PCI Express bus | 
| 
 | v | DMI | 
| Graphic memory chip | v | Intel® Integrated Graphics 4500MHD | 
| 
 | v | AMD M82XT 256MB | 
| Display | v | |
| 
 | 
 | color LCD | 
| 
 | v  | |
| 
 | 
 | color LCD | 
| 
 | 
 | 
 | 
| Standard memory | v | |
| 
 | v | 1 | 
| 
 | ||
| 
 | v | |
| 
 | v  | |
| Extended memory device | v | Intel Turbo Memory Minicard  | 
| (some models) | 
 | 
 | 
| 
 | 
 | 
 | 
