Product NameDell Inspiron 15 3520 Laptop (15.6-inch)
Display type Options15.6-inch, HD 1366 x 768, TN, Non-touch, 220 nits, NTSC 45% typical, Contrast ratio 400:1, Response time (max) 20 ms, Refresh rate 60 Hz
15.6-inch, FHD 1920 x 1080, IPS, Non-touch, 250 nits, NTSC 45% typical, Contrast ratio 600:1, Response time (max) 35 ms, Refresh rate 120 Hz
15.6-inch, FHD Touch 1920 x 1080, WVA, 220 nits, NTSC 45% typical, Contrast ratio 700:1, Response time (max) 35 ms, Refresh rate 60 Hz
Operating SystemWindows OS
Processor & Graphic OptionsIntel® Core™ Processor i7-1255U (1.2GHz Max Turbo Frequency Up to 4.7GHz) 12 MB Intel® Smart Cache, 10-Cores, 12 Threads
Intel® Iris Xe Graphics
Intel® Iris Xe Graphics
Intel® Core™ Processor i5-1235U (1.3GHz Max Turbo Frequency Up to 4.4Ghz) 12 MB Intel® Smart Cache, 10-Cores, 12 Threads
Intel® Iris Xe Graphics
Intel® Iris Xe Graphics
Graphic Card Discrete OptionsNVIDIA GeForce MX550 2GB GDDR6
Memory16GB RAM
Storage512GB SSD
Audio ControllerAudio controller – Realtek ALC3204/ Realtek ALC3254/ Cirrus CS8409 (CS42L42 + SN005825)
Stereo conversion – Supported
Internal audio interface – High definition audio interface
External audio interface – One headset (headphone and microphone combo) port
Number of speakers – Two
Internal-speaker amplifier – Supported / TI – TAS5825 (with Cirrus controller)
External volume controls – Keyboard shortcut controls
Speaker output – Average speaker output 2 W, Peak speaker output 2.5 W
Subwoofer output – Not supported
Microphone – Single integrated microphone (Plastic) / Dual-array microphone (Aluminum)
Stereo conversion – Supported
Internal audio interface – High definition audio interface
External audio interface – One headset (headphone and microphone combo) port
Number of speakers – Two
Internal-speaker amplifier – Supported / TI – TAS5825 (with Cirrus controller)
External volume controls – Keyboard shortcut controls
Speaker output – Average speaker output 2 W, Peak speaker output 2.5 W
Subwoofer output – Not supported
Microphone – Single integrated microphone (Plastic) / Dual-array microphone (Aluminum)
Media Card Reader Type1x SD 3.0 card
Media-cards supported – Secure Digital (SD)/ Secure Digital High Capacity (SDHC)/ Secure Digital Extended Capacity (SDXC)
Media-cards supported – Secure Digital (SD)/ Secure Digital High Capacity (SDHC)/ Secure Digital Extended Capacity (SDXC)
Keyboard TypeStandard non-backlit keyboard / Standard backlit keyboard
Camera ResolutionPlastic – 720p at 30 fps HD camera Single integrated microphone
Aluminium – 1080p at 30 fps FHD RGB camera Dual-array microphones
Power adapter Type65 W AC adapter, 4.5 mm barrel
Touchpad Resolution> 300 DPI
WirelessModel number – Realtek RTL8821CE
Transfer rate – Up to 433 Mbps
Frequency bands supported – 2.40 GHz/5.00 GHz
Wireless standards – WiFi 802.11a/b/g, Wi-Fi 4 (Wi-Fi 802.11n), Wi-Fi 5 (WiFi 802.11ac)
Bluetooth – Bluetooth 5.0
Transfer rate – Up to 433 Mbps
Frequency bands supported – 2.40 GHz/5.00 GHz
Wireless standards – WiFi 802.11a/b/g, Wi-Fi 4 (Wi-Fi 802.11n), Wi-Fi 5 (WiFi 802.11ac)
Bluetooth – Bluetooth 5.0
Model number – Intel 9462
Transfer rate – Up to 433 Mbps
Frequency bands supported – 2.40 GHz/5.00 GHz
Wireless standards – WiFi 802.11a/b/g, Wi-Fi 4 (Wi-Fi 802.11n), Wi-Fi 5 (WiFi 802.11ac)
Bluetooth – Bluetooth 5.1
Transfer rate – Up to 433 Mbps
Frequency bands supported – 2.40 GHz/5.00 GHz
Wireless standards – WiFi 802.11a/b/g, Wi-Fi 4 (Wi-Fi 802.11n), Wi-Fi 5 (WiFi 802.11ac)
Bluetooth – Bluetooth 5.1
Model number – Intel AX201 (optional)
Transfer rate – Up to 433 Mbps
Frequency bands supported – 2.40 GHz/5.00 GHz
Wireless standards – WiFi 802.11a/b/g, Wi-Fi 4 (Wi-Fi 802.11n), Wi-Fi 5 (WiFi 802.11ac), Wi-Fi 6 (WiFi 802.11ax)
Transfer rate – Up to 433 Mbps
Frequency bands supported – 2.40 GHz/5.00 GHz
Wireless standards – WiFi 802.11a/b/g, Wi-Fi 4 (Wi-Fi 802.11n), Wi-Fi 5 (WiFi 802.11ac), Wi-Fi 6 (WiFi 802.11ax)
| Bluetooth – Bluetooth 5.2
Ports & Connectors2x USB 3.2 Gen 1 ports (on systems configured with non-Type-C)
1x USB 3.2 Gen 1 port (on systems configured with Type-C)
1x USB 3.2 Gen 1 Type-C port with DisplayPort 1.4 (on systems configured with Type-C)
1x USB 2.0 port
1x headset (headphone and microphone combo) port
1x HDMI 1.4 port
1x SD-card slot
1x USB 3.2 Gen 1 port (on systems configured with Type-C)
1x USB 3.2 Gen 1 Type-C port with DisplayPort 1.4 (on systems configured with Type-C)
1x USB 2.0 port
1x headset (headphone and microphone combo) port
1x HDMI 1.4 port
1x SD-card slot
Internal slots1x M.2 2230 slot for Wi-Fi and Bluetooth card
1x M.2 slot for 2230/2280 for solid-state drive
1x M.2 slot for 2230/2280 for solid-state drive
DimensionsPlastic model – Front height 16.96 mm (0.66 in.), Rear height 18.99 mm (0.74 in.) x Width 358.50 mm (14.11 in.) x Depth 235.56 mm (9.27 in.)
Aluminum model – Front height 15.52 mm (0.61 in.), Rear height 17.50 mm (0.69 in.) x 358.50 mm (14.11 in.) x 234.90 mm (9.24 in.)
WeightPlastic model – Minimum – 1.83 kg (4.03 lb) , Maximum – 1.90 kg (4.19 lb)
Aluminum model – Minimum – 1.85 kg (4.03 lb) , Maximum – 1.94 kg (4.19 lb)
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