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A detailed list of technical data, specifications, ratings and expert review of Lenovo ThinkPad T420i (4178). 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 T420i (4178) |
|---|
| Product Type | Notebook |
|---|---|
| Dimensions (WxDxH) | 34.05 cm x 23.3 cm x 3.05 cm |
| Weight | 2.17 kg |
| DISPLAY Lenovo ThinkPad T420i (4178) |
|---|
| Screen Size (Type) | 14" |
|---|---|
| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1366 x 768 (HD) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:9 |
| Colour Support | 16.7 million colours |
| Features | Anti-glare |
| PROCESSOR Lenovo ThinkPad T420i (4178) |
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| CPU | Intel Core i3 (2nd Gen) 2350M / 2.3 GHz |
|---|---|
| Number of Cores | Dual-Core |
| Cache | L3 - 3 MB |
| 64-bit Computing | Yes |
| Chipset | Mobile Intel QM67 Express |
| Features | Hyper-Threading Technology, integrated memory controller |
| MEMORY Lenovo ThinkPad T420i (4178) |
|---|
| RAM | 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 |
| STORAGE Lenovo ThinkPad T420i (4178) |
|---|
| Main Storage Size (HDD/SSD) | 320 GB HDD SATA 3Gb/s / 7200 rpm |
|---|---|
| Optical Drive | DVD-Writer removable |
| AUDIO & VIDEO Lenovo ThinkPad T420i (4178) |
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| Graphics Processor (GPU) | Intel HD Graphics 3000 |
|---|---|
| Memory Allocation Technology | Dynamic Video Memory Technology |
| Sound | Stereo speakers, stereo microphone |
| Codec | CX20672 |
| Compliant Standards | High Definition Audio |
| COMMUNICATIONS Lenovo ThinkPad T420i (4178) |
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| Wireless | 802.11b/g/n, Bluetooth 3.0 |
|---|---|
| Wireless Controller | Intel WiFi Link 1000 |
| Network Interface | Gigabit Ethernet |
| WWAN |
|---|
| Generation | 3G upgradable |
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| BATTERY Lenovo ThinkPad T420i (4178) |
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| Technology | 6-cell Lithium Ion |
|---|---|
| Installed Qty | 1 |
| Max Supported Qty | 2 |
| Battery Life | Up to 9 hours |
| AC ADAPTER Lenovo ThinkPad T420i (4178) |
|---|
| Input | AC 120/230 V (50/60 Hz) |
|---|---|
| Output | 65 Watt |
| INPUT Lenovo ThinkPad T420i (4178) |
|---|
| Type | Keyboard, TrackPoint, UltraNav |
|---|---|
| Features | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS Lenovo ThinkPad T420i (4178) |
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| Expansion Bays | 1 x Ultrabay Enhanced |
|---|---|
| Slots | 1 x ExpressCard/34 (1 free) |
| Interfaces |
2 x USB 2.0 VGA LAN DisplayPort Dock Headphone/microphone combo jack PoweredUSB 2.0 USB 2.0/eSATA |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE Lenovo ThinkPad T420i (4178) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition |
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| MISCELLANEOUS Lenovo ThinkPad T420i (4178) |
|---|
| Dockable | Yes |
|---|---|
| Integrated Options | ThinkLight |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader |
| 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 - parts and labour - 3 years - pick-up and return Limited warranty - battery - 1 year |
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