The ThinkPad T400 is a Core 2 Duo-based laptop, and the first laptop in the T4xx Series.
| Spec | Details | |
|---|---|---|
| CPU | - Intel Core 2 Duo P8400 @2.26GHz - Intel Core 2 Duo P8600 @2.4GHz - Intel Core 2 Duo P8700 @2.53GHz - Intel Core 2 Duo T9400 @2.53GHz - Intel Core 2 Duo P9500 @2.53GHz - Intel Core 2 Duo P9550 @2.66GHz - Intel Core 2 Duo T9600 @2.8GHz |
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| RAM | 2x PC3-8500 DDR3 Slots - 1, 2, 3, or 4GB Standard - 8GB Maximum |
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| HDD/SSD Options | SATA 1.8" - 64GB SSD SATA 2.5" - 80GB 5400RPM HDD - 160GB 5400RPM HDD - 160GB 7200RPM HDD - 200GB 7200RPM HDD - 250GB 5400RPM HDD - 320GB 5400RPM HDD |
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| Display Options | - 14.1" CCFL-Backlit TN LCD @1280x800 - 14.1" LED-Backlit TN LCD @1280x800 - 14.1" CCFL-Backlit TN LCD @1440x900 - 14.1" LED-Backlit TN LCD @1440x900 |
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| GPU Options | - Intel GMA 4500MHD w/ shared VRAM - ATI Mobility Radeon HD 3470 w/ 256MB VRAM (switchable between iGPU and dGPU) |
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| Audio | Intel HD Audio - CX20561 Codec |
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| Main Battery | Lithium Ion - Battery 33 (4-cell) - Battery 33+ (6-cell) - Battery 33++ (9-cell) |
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| CMOS Battery | Proprietary Lithium | |
| Power Supply | Lenovo ThinkPad Barrel Jack | |
| Disk Drives | Serial Ultrabay Slim with one of the following: - DVD-ROM - DVD-ROM/CD-RW - DVD Burner - Blu-Ray Burner |
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| PC Cards & Expansion | - 1x ExpressCard/54 - 1x Option Bay with either a single CardBus slot, a multi card reader, or a Smart Card reader |
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| Networking | - Modem - Gigabit Ethernet - WiFi - Bluetooth (Optional) - WWAN (Optional) |
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| Other I/O | - 3x USB 2.0 - 1x VGA Out - 1x Dock Connector- 1x IEEE1394/FireWire - 1x Headphone Out - 1x Mic In - 1x Dock Connector |
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| BIOS | Lenovo BIOS | |
| Pointing Device | Ultranav (TrackPoint + Trackpad) | |
| Other Features | - Internal MiniPCI Slot supporting an Intel Turbo Memory hard drive cache (up to 2GB) or Wireless USB card - Active Protection System - Optional fingerprint reader - Optional 1.3MP Webcam - Optional Intel AMT |
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