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 6001, 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 7001, Response time (max) 35 ms, Refresh rate 60 Hz
Operating SystemWindows OS
Processor & Graphic OptionsIntel® Core™ Processor i7-1255U (1.7GHz Max Turbo Frequency Up to 4.7GHz) 12 MB Intel® Smart Cache, 10-Cores, 12 Threads
Intel® Iris Xe Graphics
Intel® Iris Xe Graphics
#1Intel® 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
#2Intel® Core™ Processor i3-1215U (1.2GHz Max Turbo Frequency Up to 4.4Ghz) 10 MB Intel® Smart Cache, 6-Cores, 8 Threads
Intel UHD Graphics for 12th Gen Intel Processors
Intel UHD Graphics for 12th Gen Intel Processors
#3Intel® Core™ Processor i5-1135G7 (2.40GHz Max Turbo Frequency Up to 4.2 GHz) 8 MB Intel® Smart Cache, 4-Cores, 8 Threads
Intel Iris Xe Graphics
Intel Iris Xe Graphics
#4Intel® Core™ Processor i5-1155G7 (2.50GHz Max Turbo Frequency Up to 4.5 GHz) 8 MB Intel® Smart Cache, 4-Cores, 8 Threads
Intel Iris Xe Graphics
Intel Iris Xe Graphics
#5Intel® Core™ Processor i3-1115G4 (3.00GHz Max Turbo Frequency Up to 4.1 GHz) 6 MB Intel® Smart Cache, 2-Cores, 4 Threads
Intel UHD Graphics for 11th Gen Intel Processors
Intel UHD Graphics for 11th Gen Intel Processors
#6Intel® Core™ i3-6098P Processor (3.6GHz Processor Base Frequency) 3 MB Intel® Smart Cache, 2-Cores, 4 Threads
Intel® HD Graphics 510
Intel® HD Graphics 510
#7Intel® Core™ i3-6100 Processor (3.70 GHz Processor Base Frequency) 3 MB Intel® Smart Cache, 2-Cores, 4 Threads
Intel® HD Graphics 530
Intel® HD Graphics 530
#8Intel® Core™ i5-6400 Processor (2.70 GHz Max Turbo Frequency Up to 3.30 GHz) 6 MB Intel® Smart Cache, 4-Cores, 4 Threads
Intel® HD Graphics 530
Intel® HD Graphics 530
Graphic Card Discrete OptionsNVIDIA GeForce MX550 2GB GDDR6
Memory4GB l 8GB l 12GB l 16GB l 20GB l 24GB l 32GB l 64GB RAM
Storage128GB l 256GB l 500GB l 512GB l 1TB l 2TB l 4TB l 8TB 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
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)
| 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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