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Black Dell Inspiron 3520 15 laptop closed on a flat surface

DELL

DELL Inspiron 3520 15 laptop, i7-1255U 10-core, 16GB DDR4, 2TB SSD, 15.6" FHD, Windows 11 Pro

SKU CH-D9M9-5RK79

A 15.6-inch FHD laptop with a 10-core i7-1255U processor, 16GB DDR4 memory, 2TB PCIe SSD and Windows 11 Pro

  • ColorBlack
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core i7 12th Gen
  • Processor Name1.20GHz
  • Turbo Frequency4.7 GHz
  • Number of Cores10-core Processor
  • 10-core Intel Core i7-1255U up to 4.7 GHz turbo for fast multitasking
  • 6" FHD 1920 x 1080 display for clear visuals
  • 16GB DDR4 memory with 2TB PCIe SSD for ample storage
  • Wi-Fi 6 and Bluetooth for reliable wireless connectivity
  • HDMI 1.4 plus USB 3.2 Gen 1 ports for versatile connections

Purpose-built portable workstation

The Dell Inspiron 3520 15 laptop combines an Intel Core i7-1255U 10-core processor with 16GB DDR4 memory and a 2TB PCIe SSD. It runs Windows 11 Pro and includes an Office 2024 licence. This configuration suits professionals who need responsive multitasking and ample local storage in a 15.6" form factor.

Sustained workload behaviour

The 10-core CPU operates at a 1.2 GHz base frequency and can reach 4.7 GHz max turbo frequency across 12 threads with 12MB L3 cache. Integrated Intel Iris Xe Graphics handles visual output on the 1920 x 1080 FHD non-touch display. The system maintains responsiveness during extended productivity sessions without discrete graphics thermal constraints.

Thermals, noise and power

The chassis measures 14.11 x 9.27 x 0.83 inches and weighs 3.65 pounds in black. Connectivity includes Wi-Fi 6 and Bluetooth alongside two USB 3.2 Gen 1 Type-A ports, one USB 2.0 Type-A port, HDMI 1.4, a headset jack, a power jack and a multi-format SD card reader. A webcam and audio are integrated; no backlit keyboard or fingerprint reader is present.

Highlights

  • 10-core Intel Core i7-1255U up to 4.7 GHz turbo for fast multitasking
  • 6" FHD 1920 x 1080 display for clear visuals
  • 16GB DDR4 memory with 2TB PCIe SSD for ample storage
  • Wi-Fi 6 and Bluetooth for reliable wireless connectivity
  • HDMI 1.4 plus USB 3.2 Gen 1 ports for versatile connections

Specifications

SeriesRaider
ModelInspiron 3520 15
ColorBlack
Operating SystemWindows 11 Pro
CPU TypeIntel Core i7 12th Gen
Processor Name1.20GHz
Turbo Frequency4.7 GHz
Number of Cores10-core Processor
Screen Size15.6"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1080
GPU/VPUIntel Iris Xe Graphics
Graphic TypeIntegrated Card
SSD2TB PCIe
HDDNo
Memory16GB
Optical Drive TypeNo
WLANYes
BluetoothYes
USB2
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
AudioIntegrated Sound card
SpeakerInternal Speakers
TouchpadYes
KeyboardYes
Backlit KeyboardNon-backlit
WebcamYes
StyleStandard
TypeHome / Personal
UsageConsumer
Weight3 - 3.9 lbs.
Package ContentLaptop, Charger

Questions about this item

How loud or hot does the 10-core i7-1255U get during all-day workloads?

The 10-core processor runs at a 1.2 GHz base frequency and can boost to 4.7 GHz, while the integrated Iris Xe graphics share the same thermal envelope inside the 0.83-inch chassis.

Which cables or peripherals must I already own to use the video and data ports?

The laptop provides two USB 3.2 Gen 1 Type-A ports, one USB 2.0 Type-A port and an HDMI 1.4 output, so existing USB-A devices and an HDMI cable will connect directly.

Will my older USB 2.0 flash drives and external hard drives work at full speed?

The single USB 2.0 Type-A port runs at native 2.0 speeds, while the two USB 3.2 Gen 1 Type-A ports will operate older drives at their own rated limits.

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