Get the key specs, technical data, ratings and full review of Lenovo ThinkPad T420si (4171) all in one place. Compare your selected model with other alternatives and give your decision on the best laptop a solid base with our comprehensive overview.
design and dimensions display processor memory storage audio & video communications battery ac adapter input connections & expansions software miscellaneous
| DESIGN AND DIMENSIONS Lenovo ThinkPad T420si (4171) |
|---|
| Product Type | Notebook |
|---|---|
| Dimensions (WxDxH) | 34.3 cm x 23 cm x 2.6 cm |
| Weight | 1.7 kg |
| DISPLAY Lenovo ThinkPad T420si (4171) |
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| Screen Size (Type) | 14" |
|---|---|
| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1600 x 900 (HD+) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:9 |
| Features | Anti-glare |
| PROCESSOR Lenovo ThinkPad T420si (4171) |
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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 T420si (4171) |
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| 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 T420si (4171) |
|---|
| Main Storage Size (HDD/SSD) | 320 GB HDD SATA 3Gb/s / 7200 rpm |
|---|---|
| Optical Drive | DVD-Writer fixed |
| AUDIO & VIDEO Lenovo ThinkPad T420si (4171) |
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| Graphics Processor (GPU) | PCI Express x16 - NVIDIA NVS 4200M / Intel HD Graphics 3000 |
|---|---|
| Video Memory | 1 GB |
| Video System Features | NVIDIA Optimus |
| Camera | Yes |
| Resolution | 0.92 Megapixel |
| Video Resolutions | 1280 x 720 |
| Sound | Stereo speakers, stereo microphone |
| Codec | CX20672 |
| Compliant Standards | High Definition Audio |
| COMMUNICATIONS Lenovo ThinkPad T420si (4171) |
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| Wireless | 802.11a/b/g/n, Bluetooth 3.0 |
|---|---|
| Wireless Controller | Intel Centrino Advanced-N 6205 |
| Network Interface | Gigabit Ethernet |
| WWAN |
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| Generation | 3G upgradable |
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| BATTERY Lenovo ThinkPad T420si (4171) |
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| Technology | 6-cell Lithium Ion |
|---|---|
| Installed Qty | 1 |
| Max Supported Qty | 2 |
| Battery Capacity (Size) | 43.2 Wh |
| AC ADAPTER Lenovo ThinkPad T420si (4171) |
|---|
| Input | AC 120/230 V (50/60 Hz) |
|---|---|
| Output | 90 Watt |
| INPUT Lenovo ThinkPad T420si (4171) |
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| Type | Keyboard, TrackPoint, UltraNav |
|---|---|
| Features | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS Lenovo ThinkPad T420si (4171) |
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| Expansion Bays | 1 x Ultrabay Slim |
|---|---|
| Slots | 1 x ExpressCard/34 (1 free) |
| Interfaces |
USB 2.0 PoweredUSB USB 3.0 VGA DisplayPort LAN Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE Lenovo ThinkPad T420si (4171) |
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| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition |
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| MISCELLANEOUS Lenovo ThinkPad T420si (4171) |
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| Included Accessories | Power adapter |
|---|---|
| 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 |
| Manufacturer Warranty | Limited warranty - parts and labour - 3 years - pick-up and return |
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