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A detailed list of technical data, specifications, ratings and expert review of Lenovo ThinkPad E15 Gen 4 (21E6). 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 E15 Gen 4 (21E6) |
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| Product Type | Notebook |
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| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm |
| Weight | 1.7 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Black |
| DISPLAY Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Screen Size (Type) | 15.6" - IPS |
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| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:9 |
| Image Brightness | 300 cd/m² |
| Colour Gamut | 45% NTSC |
| Features | Anti-glare, 170° viewing angle |
| PROCESSOR Lenovo ThinkPad E15 Gen 4 (21E6) |
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| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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| Max Turbo Speed | 4.4 GHz |
| Number of Cores | 10-core |
| Cache | 12 MB |
| Features | Integrated memory controller |
| MEMORY Lenovo ThinkPad E15 Gen 4 (21E6) |
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| RAM | 8 GB (provided memory is soldered) |
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| 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 E15 Gen 4 (21E6) |
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| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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| AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Graphics Processor (GPU) | Intel Iris Xe Graphics |
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| Max Monitors Supported | 2 external monitor(s) |
| Camera | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Sound | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Audio |
| Audio Features | Harman-branded |
| COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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| Wireless Controller | M.2 Card |
| Network Interface | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V |
| Features | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Technology | Lithium polymer |
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| Battery Capacity (Size) | 57 Wh |
| Battery Life | Up to 15.6 hours |
| AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Input | AC 100-240 V (50/60 Hz) |
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| Output | 65 Watt |
| INPUT Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Type | Keyboard, TrackPoint, UltraNav |
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| Numeric Keypad | Yes |
| Keyboard Backlight | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Interfaces |
USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
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| SOFTWARE Lenovo ThinkPad E15 Gen 4 (21E6) |
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| Operating System (OS) | Windows 11 Pro - English |
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| MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21E6) |
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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 security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | Yes |
| EPEAT Compliant | EPEAT Gold |
| Max Operating Temperature | 35 °C |
| Min Operating Temperature | 5 °C |
| Humidity Range Operating | 8 - 95% |
| Manufacturer Warranty |
Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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