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Black Dell Inspiron 3520 15 laptop closed showing smooth matte finish

DELL

DELL Inspiron 3520 15 laptop i7-1255U 32GB 1TB SSD Windows 11 Office 2021

SKU CH-T3FM-PQAYH

A 15.6-inch FHD laptop with a 10-core Intel Core i7 processor, 32GB DDR4 memory, 1TB PCIe SSD, Windows 11 and Office 2021

  • ColorBlack
  • Operating SystemWindows 11 Home
  • CPU TypeIntel Core i7 12th Gen
  • Processor Name1.20GHz
  • Turbo Frequency4.7 GHz
  • Number of Cores10-core Processor
  • 10-core i7-1255U reaches 4.7 GHz turbo for responsive multitasking
  • 32 GB DDR4 memory handles heavy workloads without slowdown
  • 1 TB PCIe SSD stores large projects and boots in seconds
  • 6" FHD 1920 x 1080 display shows crisp detail for work and media
  • Wi-Fi 6 and Bluetooth give fast, stable wireless connections

Dell Inspiron 3520 15 laptop

The Dell Inspiron 3520 15 laptop pairs a 10-core Intel Core i7-1255U processor with 32GB of DDR4 memory and a 1TB PCIe SSD. It targets professionals and students who need responsive multitasking and ample local storage in a 15.6-inch form factor running Windows 11 Home with Office 2021 included.

Thermals and power profile

The integrated Intel Iris Xe graphics and efficient 12th-generation architecture keep heat output modest during typical office workloads and media playback. Fan activity remains subdued for web browsing and document work, while sustained turbo frequencies up to 4.7 GHz may raise chassis temperature during heavier tasks.

Build and connectivity

The black chassis measures 14.11 by 9.27 by 0.83 inches and weighs 3.65 pounds, offering a rigid feel for daily transport. Ports include two USB 3.2 Gen 1 Type-A, one USB 2.0 Type-A, HDMI 1.4, a headset jack, a power jack and a multi-format SD card reader, covering common peripherals and external displays without adapters.

Highlights

  • 10-core i7-1255U reaches 4.7 GHz turbo for responsive multitasking
  • 32 GB DDR4 memory handles heavy workloads without slowdown
  • 1 TB PCIe SSD stores large projects and boots in seconds
  • 6" FHD 1920 x 1080 display shows crisp detail for work and media
  • Wi-Fi 6 and Bluetooth give fast, stable wireless connections

Specifications

SeriesRaider
ModelInspiron 3520 15
ColorBlack
Operating SystemWindows 11 Home
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
SSD1TB PCIe
HDDNo
Memory32GB
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 do I upgrade the memory or storage on this Inspiron 3520, and which screw is most often missed?

Remove the nine base screws, including the short one hidden under the front rubber foot, then lift the clip-on bottom cover to reach the DDR4 SO-DIMM slot and the M.2 PCIe 3.2 slot.

Which component will need replacement first, and what is the part specification?

The 41 Wh internal battery is the only user-replaceable consumable; swap it with a Dell 3-cell lithium-ion pack when run-time drops below useful levels.

What thermal limit appears first during a long heavy workload on the i7-1255U?

The 15 W sustained power ceiling forces the 10-core processor to throttle from 4.7 GHz turbo toward the 1.2 GHz base clock once the cooling saturates.

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