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A detailed list of technical data, specifications, ratings and expert review of Lenovo ThinkPad T14 Gen 3 (21AJ). 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 T14 Gen 3 (21AJ) |
|---|
| Product Type | Notebook - 180-degree hinge design |
|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 1.21 kg |
| Case Material | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Thunder black |
| DISPLAY Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Screen Size (Type) | 14" - IPS |
|---|---|
| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:10 |
| Image Brightness | 300 cd/m² |
| Colour Gamut | 45% NTSC |
| Features | Anti-glare, 170° viewing angle |
| PROCESSOR Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| CPU | Intel Core i5 (12th Gen) 1245U / 1.6 GHz |
|---|---|
| Max Turbo Speed | 4.4 GHz |
| Number of Cores | 10-core |
| Cache | 12 MB |
| Features | Integrated memory controller |
| MEMORY Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| RAM | 8 GB (provided memory is soldered) |
|---|---|
| Max RAM Supported | 40 GB |
| RAM Type | DDR4 SDRAM |
| Speed | 3200 MHz |
| Rated Speed | 3200 MHz |
| Form Factor | SO-DIMM 260-pin |
| Slots Qty | 1 |
| Empty Slots | 1 |
| STORAGE Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix |
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| AUDIO & VIDEO Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Graphics Processor (GPU) | Intel Iris Xe Graphics |
|---|---|
| Max Monitors Supported | 3 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p |
| Camera Features | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Audio, Dolby Voice |
| COMMUNICATIONS Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 |
| Network Interface | Gigabit Ethernet |
| Features | Wake-on-LAN (WOL) |
| WWAN |
|---|
| Generation | 4G |
|---|---|
| Technology | LTE |
| Controller | Quectel EM05-G - M.2 Card |
| BATTERY Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Technology | 3-cell lithium polymer |
|---|---|
| Battery Capacity (Size) | 39.3 Wh |
| AC ADAPTER Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Input | AC 100-240 V (50/60 Hz) |
|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT Lenovo ThinkPad T14 Gen 3 (21AJ) |
|---|
| Type | Keyboard, TrackPoint, UltraNav |
|---|---|
| Keyboard Backlight | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Slots | 1 x Nano-SIM card (1 free) |
|---|---|
| Interfaces |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
| SOFTWARE Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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| MISCELLANEOUS Lenovo ThinkPad T14 Gen 3 (21AJ) |
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| Included Accessories | USB-C power adapter |
|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| ENERGY STAR Certified | Yes |
| EPEAT Compliant | EPEAT Gold |
| Max Operating Temperature | 35 °C |
| Min Operating Temperature | 5 °C |
| Humidity Range Operating | 8 - 95% |
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