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| Brand | Dell |
| Model | 15 3521 |
| Thickness | 31.3 Millimeter thickness |
| Dimensions(WxDxH) | 376 x 259 x 31.3 mm |
| Weight | 2.25 Kg weight |
| Colour(s) | Silver |
| Operating System | DOS |
| Display Size | 15.6 Inches (39.62 cm) |
| Display Resolution | 1366 x 768 Pixels |
| Pixel Density | 100 ppi |
| Display Type | LED |
| Display Features | HD WLED Display |
| Touchscreen | No |
| Processor | Intel Core i3-3217U (3rd Gen) |
| Clock-speed | 1.8 Ghz |
| Graphic Processor | AMD Radeon 7670M |
| Graphics Memory | 1 |
| Capacity | 4 GB |
| RAM type | DDR3 |
| RAM speed | 1600 Mhz |
| Memory Slots | 2 DIMM |
| Expandable Memory | 8 GB |
| HDD Capacity | 500 GB |
| HDD Speed(RPM) | 5400 RPM |
| HDD type | SATA |
| Battery Cell | 4 Cell |
| Battery type | Li-Ion |
| Power Supply | 90 W |
| Battery Life | 8 Hrs |
| Wireless LAN | 802.11 b/g/n |
| Wi-Fi Version | 4 |
| Bluetooth | Yes |
| Bluetooth Version | 4.0 |
| Other Networking Options | Multi Card Slot : 8-in-1 Media Card Reader, Face Recognition |
| USB 3.0 slots | 2 |
| USB 2.0 slots | 2 |
| SD Card Reader | Yes |
| Ethernet Ports | 1 |
| Webcam | Yes |
| Webcam Resolution | 1 MP |
| Secondary cam(Rear-facing) | No |
| Audio Solution | HD Audio Solution |
| Speakers | Stereo speakers |
| Sound Technologies | Waves Maxx Audio 4 |
| In-built Microphone | Yes |
| Microphone Type | Digital Microphone |
| Optical Drive | DVD RW Drive with Dual Layer Support |
| Drive Type | DVD Writer |
| Pointing Device | Touchpad |
| Keyboard | Standard Keyboard |
| Fingerprint Scanner | No |
| Warranty | 1 Year |
| Lockport | Yes |
| Sales Package | Laptop, Battery, AC Adapter, User Guide and Manuals |
