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Black 15.6 inch laptop with narrow-border matte display and compact chassis

DELL

DELL Inspiron 3520 15 laptop i7-1255U 16GB 1TB

SKU CH-Q492-EXYX1

A 15.6-inch Windows 11 laptop with a 120Hz FHD display, 10-core i7-1255U processor, 16GB DDR4 memory and 1TB storage

  • ColorBlack
  • Operating SystemWindows 11 Home
  • CPU TypeIntel Core i7 12th Gen
  • Processor NameIntel Core i7-1255U
  • Turbo Frequency3.5 GHz
  • Number of Cores10-core (2P+8E) Processor
  • 10-core i7-1255U reaches 4.7 GHz for fast multitasking
  • 6" 120 Hz FHD anti-glare screen gives smooth visuals
  • 16 GB DDR4 plus 1 TB SSD handles large workloads
  • Wi-Fi 6 AX201 and Bluetooth keep connections stable
  • Light 3.65 lb chassis with HDMI 1.4 and SD reader adds flexibility

Dell Inspiron 3520 15 laptop

The Dell Inspiron 3520 15 laptop runs Windows 11 Home on a 12th Gen Intel Core i7-1255U processor with 10 cores and 12 threads. It ships with 16GB DDR4 memory and a 1TB SSD. The 15.6 inch FHD display delivers a 1920 x 1080 resolution at 120Hz. Integrated Intel Iris Xe graphics handle visual output.

Thermals noise and power

The slim chassis measures 14.11 x 9.27 x 0.82 inches and weighs 3.65 lbs, limiting thermal headroom under sustained loads. Fan noise will rise during heavy multitasking or extended video playback. The efficient 10-core architecture helps moderate power draw during typical office and web workloads.

Display specification

The 15.6 inch panel uses a WVA anti-glare coating with 250 nit brightness and a narrow border design. A 120Hz refresh rate smooths motion for video and casual use. Buyers who need higher colour accuracy or brighter output for outdoor work should note the 250 nit ceiling.

Highlights

  • 10-core i7-1255U reaches 4.7 GHz for fast multitasking
  • 6" 120 Hz FHD anti-glare screen gives smooth visuals
  • 16 GB DDR4 plus 1 TB SSD handles large workloads
  • Wi-Fi 6 AX201 and Bluetooth keep connections stable
  • Light 3.65 lb chassis with HDMI 1.4 and SD reader adds flexibility

Specifications

SeriesRaider
ModelInspiron 3520 15
ColorBlack
Operating SystemWindows 11 Home
CPU TypeIntel Core i7 12th Gen
Processor NameIntel Core i7-1255U
Turbo Frequency3.5 GHz
Number of Cores10-core (2P+8E) Processor
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1028
Display FeaturesLED backlight
GPU/VPUIntel Iris Xe Graphics
Graphic TypeDedicated Card
SSD1TB
HDDNo
Memory16GB
Optical Drive TypeNo
BluetoothYes
USB3
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
AudioIntegrated Sound card
SpeakerInternal Speakers
TouchpadYes
KeyboardFull size with Keyboard light
Backlit KeyboardNon-backlit
WebcamYes
StyleStandard
TypeHome / Personal
UsageConsumer
Weight3 - 3.9 lbs.
Package ContentLaptop, Charger

Questions about this item

How do I add more storage to the 1 TB PCIe SSD, and which screw do people forget?

Remove the base cover, insert an M.2 2280 drive into the open slot, and secure it with the single silver screw — that tiny screw is the one most often dropped.

When will the 16 GB DDR4 memory need to be replaced or upgraded?

The memory is soldered to the board, so it cannot be upgraded; plan on keeping the 16 GB for the life of the laptop.

At what point does the Intel Core i7-1255U hit its thermal limit during a long render?

Sustained loads push the 10-core CPU to its 4.7 GHz boost ceiling, then the cooling system throttles clocks to stay within the 250-nit display's thermal envelope.

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