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Grey Lenovo IdeaPad Slim 3i 15.6 inch laptop closed on a plain background

Lenovo

Lenovo IdeaPad Slim 3i 15.6" laptop i5-1335U 12GB DDR5 256GB NVMe

SKU CH-NWRZ-CJN8B

15.6 inch Full HD laptop with 13th Gen Intel Core i5-1335U up to 4.6 GHz, 12GB DDR5 memory and 256GB NVMe storage

  • ColorGray
  • Operating SystemWindows 11 Home
  • Screen Size15.0"
  • TouchscreenNon-Touch Screen
  • Display TypeFHD
  • Resolution1920 x 1080
  • 13th Gen Intel Core i5-1335U up to 4.6 GHz for responsive multitasking
  • 12 GB DDR5 memory keeps everyday workloads smooth
  • 256 GB NVMe SSD provides fast boot and app loading
  • 6-inch 1920 x 1080 FHD display with 60 Hz refresh for clear visuals
  • Built-in webcam privacy shutter protects your camera when not in use

Built for work and study

The Lenovo IdeaPad Slim 3i is a 15.6 inch laptop running Windows 11 Home. It uses a 13th Generation Intel Core i5-1335U processor with a maximum turbo frequency of 4.6 GHz. The system includes 12GB of DDR5 memory and a 256GB NVMe solid-state drive. A Full HD display with a 1920 x 1080 resolution and a 60 Hz refresh rate provides clear visuals for everyday tasks.

Thermals and acoustics

Intelligent thermal management keeps the chassis cool and the system whisper-quiet during typical office or classroom workloads. The non-backlit keyboard and integrated speakers support standard productivity without adding audible fan noise. Power draw remains modest thanks to the efficient U-series processor and the 60 Hz panel.

Sustained load behaviour

Under prolonged heavy use the cooling solution maintains stable performance without aggressive fan ramping. The 12GB DDR5 configuration and NVMe storage deliver consistent responsiveness for extended sessions. The privacy shutter on the webcam remains available regardless of system load.

Highlights

  • 13th Gen Intel Core i5-1335U up to 4.6 GHz for responsive multitasking
  • 12 GB DDR5 memory keeps everyday workloads smooth
  • 256 GB NVMe SSD provides fast boot and app loading
  • 6-inch 1920 x 1080 FHD display with 60 Hz refresh for clear visuals
  • Built-in webcam privacy shutter protects your camera when not in use

Specifications

BrandLenovo
SeriesIdeaPad Slim 3i
ColorGray
Operating SystemWindows 11 Home
Screen Size15.0"
TouchscreenNon-Touch Screen
Display TypeFHD
Resolution1920 x 1080
Refresh Rate60 Hz
SSD256 GB
Memory12GB DDR5
HDMI1 x HDMI
AudioIntegrated Sound card
SpeakerInternal Speakers
TouchpadYes
KeyboardStandard
Backlit KeyboardNon-backlit
WebcamYes
Card Reader3-in-1
StyleStandard
TypeHome / Personal
UsageBusiness
Battery3-cell Lithium Ion
Battery LifeUp to 10 Hours
Weight3 - 3.9 lbs.
Software IncludedLifetime Microsoft Office

Questions about this item

How do I add storage to the 256 GB NVMe drive?

Open the base cover, locate the M.2 slot next to the existing 256 GB NVMe drive, insert a second NVMe module at an angle and secure it with the screw provided.

Which part will need replacement first if I keep the laptop plugged in daily?

The internal battery is the component most likely to degrade first under constant AC use.

What thermal limit appears first during a long video-encoding session?

The processor will hit its 4.6 GHz turbo ceiling and then throttle to stay within its thermal envelope.

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