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A detailed list of technical data, specifications, ratings and expert review of Lenovo ThinkPad L15 Gen 3 (21C4). 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.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate port selection
average display brightness
heavier than competitors
limited graphics performance
no thunderbolt support
Total Rating
design and dimensions display processor memory storage audio & video communications battery ac adapter input connections & expansions software miscellaneous
| DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| Product Type | Notebook - 180-degree hinge design |
|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.7 cm x 1.993 cm |
| Weight | 1.76 kg |
| Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Thunder black |
| DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) |
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| Screen Size (Type) | 15.6" - IPS |
|---|---|
| LCD Backlight Technology | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) |
| Widescreen | Yes |
| Image Aspect Ratio | 16:9 |
| Image Brightness | 250 cd/m² |
| Colour Gamut | 45% NTSC |
| Features | Anti-glare, 170° viewing angle |
| PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|
| Max Turbo Speed | 4.4 GHz |
| Number of Cores | 10-core |
| Cache | 12 MB |
| Features | Integrated memory controller |
| MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| RAM | 16 GB (1 x 16 GB) |
|---|---|
| Max RAM Supported | 64 GB |
| RAM Type | DDR4 SDRAM |
| Speed | 3200 MHz |
| Rated Speed | 3200 MHz |
| Form Factor | SO-DIMM 260-pin |
| Slots Qty | 2 |
| Empty Slots | 1 |
| STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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| AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) |
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| Graphics Processor (GPU) | Intel Iris Xe Graphics |
|---|---|
| Max Monitors Supported | 3 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 |
| COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) |
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| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet |
| BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) |
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| Technology | 3-cell lithium polymer |
|---|---|
| Battery Capacity (Size) | 57 Wh |
| AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| Input | AC 100-240 V (50/60 Hz) |
|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| Type | Keyboard, TrackPoint, UltraNav |
|---|---|
| Numeric Keypad | Yes |
| Keyboard Backlight | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| Interfaces |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
|---|---|
| Memory Card Reader | Yes (microSD) |
| SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) |
|---|
| 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 L15 Gen 3 (21C4) |
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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, self-healing BIOS, NVMe password |
| 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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