Intel Core 2 Duo P8700 (2.53 GHz, 3 MB L2 cache, 1066 MHz FSB), 2 GB, 250 GB, SATA, DVD-Multi (DL), WLAN 802.11n, LAN 10/100/1000, Bluetooth, 56K, Windows XP Pro

- Full-duplex audio on the system board.
- Volume up, down, and mute buttons.
- Audio in/out jacks:
- External stereo speakers.
- Headphone.
- External microphone.
- Supports Microsoft DirectSound applications.
- Embedded numeric keypad and integrated UltraNav dual-pointing system, featuring TrackPoint and customized touch pad for the ultimate in pointing flexibility.
- ThinkVantage button, ThinkLight keyboard light, individual volume up, down, and mute buttons.
- The keyboard has a Fn key which is a special key and is located in the lower left corner. The Fn key allows the user to instantly activate the following operational features by pressing the Fn key and a designated function key:
- Standby/Suspend/Hibernation.
- Switching between Display device.
- Fingerprint reader is integrated into the palm rest of the ThinkPad notebook computer to prevent unauthorized access to your notebook and data.
- All systems come with the UltraNav dual-pointing system, featuring TrackPoint and customized touch pad for the ultimate in pointing flexibility is a part of the keyboard. The TrackPoint features Press-to-Select, Internet scroll, and magnifying glass for accurate and convenient control.
- The battery pack is an internal power source to the computer when the ac adapter is not available. The battery pack is rechargeable and is charged using the ac adapter with the system.
- You can determine how much battery power remains by using the Fuel- Gauge ThinkPad utility program. This displays the percent charge remaining, whether one or two batteries are in the system.
- A different optional Li-Ion battery pack, the Ultrabay Slim Li- Polymer battery, fits into the Ultrabay Slim so that two batteries can be installed to increase battery operating time.
- Security Chip on selected models.
- Fingerprint reader on selected models, offers users a convenient solution, authenticate at system startup and log on to Windows with a swipe of your finger.
- Locking device in the security slot provides physical security.
- The ThinkPad Embedded Security Subsystem provides for authentication and encryption of data communications.

Lenovo ThinkPad T400, Intel® Core™2 Duo, 2.53 GHz, 35.8 cm (14.1"), 1280 x 800 pixels, 2 GB, 250 GB