These are the full specifications of the Lenovo ThinkPad X31
| Processor | Intel Pentium M 1.4 GHz |
| Installed Memory | 256 MB (DDR SDRAM) |
| Hard Drive | 40 GB IDE |
| Display | 12.1 in. TFT Active Matrix |
| Operating System | Microsoft Windows XP Professional |
| Processor Type | Pentium M |
| Processor Manufacturer | Intel |
| Processor Speed | 1.4 GHz |
| Bus Speed | 400 MHz |
| Installed RAM | 256 MB |
| RAM Technology | DDR SDRAM |
| Max Supported RAM | 1024 MB |
| RAM Speed | 266 MHz |
| Installed Cache Memory | 1024 KB |
| Hard Drive Capacity | 40 GB |
| Storage Controller Type | IDE |
| Display Tech | TFT Active Matrix |
| Display Size | 12.1 in. |
| Display Color Support | 24-bit (16.7 million colors) |
| Display Max. Resolution | 1024 x 768 |
| Graphic Processor | ATI MOBILITY RADEON |
| Installed Video Memory | 16 MB |
| Graphic Bus Interface | AGP x4 |
| External Video Resolution | 2048 x 1536 |
| Audio Output Type | Sound card |
| Audio Input Type | Line In Microphone |
| Operating System | Microsoft Windows XP Professional |
| Recommended Use | Small Business |
| Platform | PC |
| Expandability | Docking Station/Port Replicator |
| Expansion Ports | 2 x USB 2.0, 1 x IEEE 1394a (FireWire), VGA out, Parallel Port, RJ-11 (modem), RJ-45 (NIC) |
| Security Features | HDD Password, IBM Embedded Security Subsystem 2.0, IBM Security Slot |
| Input Method | Keyboard Trackpoint |
| Networking Type | Integrated Network Card |
| Data Link Protocol | Bluetooth Ethernet Fast Ethernet Gigabit Ethernet IEEE 802.11a IEEE 802.11b |
| Modem Type | Network / Modem Combo |
| Analog Modulation Protocol | ITU V.90 |
| Battery Run Time | 5.5 Hour(s). |
| Battery Technology | Lithium ion |
| Width | 10.76 in. |
| Depth | 8.79 in. |
| Height | 1.18 in. |
| Weight | 3.53 lb. |
| Warranty | 3 Years |
| MPN | 2672JHU |
| Product ID | 20719978 |
