A detailed list of technical data, specifications, ratings and expert review of Lenovo ThinkPad T420. Get a comprehensive look at your chosen laptop and see if this is the one that will best suit your needs. You can also use the comparison feature to compare with other competing laptops.
design and dimensions display processor memory storage audio & video communications battery ac adapter input connections & expansions software miscellaneous
| DESIGN AND DIMENSIONS Lenovo ThinkPad T420 |
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| Product Type | Notebook |
|---|---|
| Dimensions (WxDxH) | 34.05 cm x 23.3 cm x 3.05 cm |
| Weight | 2.17 kg |
| Case Material | Carbon fibre, glass-fibre, carbon fibre reinforced plastic |
| DISPLAY Lenovo ThinkPad T420 |
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| Screen Size (Type) | 14" |
|---|---|
| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1366 x 768 (HD) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:9 |
| Features | Anti-glare |
| PROCESSOR Lenovo ThinkPad T420 |
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| CPU | Intel Core i5 (2nd Gen) 2520M / 2.5 GHz |
|---|---|
| Max Turbo Speed | 3.2 GHz |
| Number of Cores | Dual-Core |
| Cache | 3 MB |
| 64-bit Computing | Yes |
| Chipset | Mobile Intel QM67 Express |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 |
| MEMORY Lenovo ThinkPad T420 |
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| RAM | 4 GB (1 x 4 GB) |
|---|---|
| Max RAM Supported | 8 GB |
| RAM Type | DDR3 SDRAM |
| Speed | 1333 MHz / PC3-10600 |
| Rated Speed | 1333 MHz |
| Form Factor | SO-DIMM 204-pin |
| Slots Qty | 2 |
| Empty Slots | 1 |
| STORAGE Lenovo ThinkPad T420 |
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| Main Storage Size (HDD/SSD) | 320 GB HDD SATA 3Gb/s / 7200 rpm |
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| Optical Drive | DVD-Writer removable |
| AUDIO & VIDEO Lenovo ThinkPad T420 |
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| Graphics Processor (GPU) | Intel HD Graphics 3000 |
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| Sound | Stereo speakers, stereo microphone |
| Codec | CX20672 |
| Compliant Standards | High Definition Audio |
| COMMUNICATIONS Lenovo ThinkPad T420 |
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| Wireless | 802.11b/g/n |
|---|---|
| Wireless Controller | Intel Centrino Wireless-N 1000 |
| Network Interface | Gigabit Ethernet |
| Ethernet Controller | Intel 82579LM |
| WWAN |
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| Generation | WWAN upgradable |
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| BATTERY Lenovo ThinkPad T420 |
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| Technology | 6-cell Lithium Ion |
|---|---|
| Installed Qty | 1 |
| Max Supported Qty | 2 |
| Battery Capacity (Size) | 57 Wh |
| Battery Life | Up to 9 hours |
| AC ADAPTER Lenovo ThinkPad T420 |
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| Input | AC 120/230 V (50/60 Hz) |
|---|---|
| Output | 65 Watt |
| INPUT Lenovo ThinkPad T420 |
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| Type | Keyboard, TrackPoint, UltraNav |
|---|---|
| Features | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS Lenovo ThinkPad T420 |
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| Expansion Bays | 1 x Ultrabay Enhanced |
|---|---|
| Slots | 1 x ExpressCard/34 (1 free) |
| Interfaces |
2 x USB 2.0 PoweredUSB 2.0 USB 2.0/eSATA VGA DisplayPort LAN Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE Lenovo ThinkPad T420 |
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| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition - English |
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| MISCELLANEOUS Lenovo ThinkPad T420 |
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| Dockable | Yes |
|---|---|
| Included Accessories | Power adapter |
| Integrated Options | ThinkLight |
| Security | Trusted Platform Module (TPM 1.2) Security Chip |
| Security Slot Type | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, ThinkPad Roll Cage |
| Compliant Standards | RoHS |
| ENERGY STAR Certified | Yes |
| EPEAT Compliant | EPEAT Gold |
| Manufacturer Warranty |
Limited warranty - 3 years - on-site Limited warranty - battery - 1 year |
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