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Thin Luna Grey laptop with 15.3 inch touchscreen display, backlit keyboard and numeric keypad

Lenovo

Lenovo IdeaPad Slim 3 15.3" WUXGA Touch Laptop Ryzen 5 8540U 16 GB 512 GB Luna Grey

SKU CH-SK4H-2M2XC

15.3-inch WUXGA touch display with Ryzen 5 8540U, 16 GB DDR5, 512 GB NVMe and Windows 11 Pro

  • ColorLuna Grey
  • Operating SystemWindows 11 Pro
  • CPU TypeAMD Ryzen 5 8000 Series
  • Processor NameAMD Ryzen 5 8540U
  • Screen Size15.3"
  • Display TypeWide UXGA
  • Touch interaction on a 15.3" WUXGA IPS display
  • Smooth multitasking with 16 GB DDR5 memory
  • Fast boot and load times from 512 GB NVMe SSD
  • Responsive performance from Ryzen 5 8540U up to 4.90 GHz
  • Clear video calls via 1080p IR camera with privacy shutter

15.3" WUXGA Touch Laptop

The Lenovo IdeaPad Slim 3 is a 15.3-inch laptop built for professionals who need a portable Windows 11 Pro machine with a touchscreen. It uses an AMD Ryzen 5 8540U processor with integrated Radeon 740M graphics. The system ships with 16 GB of DDR5 memory and a 512 GB NVMe SSD. Luna Grey finish.

Thermals and Acoustics

The chassis measures 13.52 by 9.43 by 0.70 inches and weighs 3.59 lbs, housing a 3-cell 60 Wh battery. A slim profile like this typically relies on a single fan to cool the 8000 series processor under sustained loads. Surface temperatures and fan noise will rise during extended multitasking or video calls. Battery life varies with screen brightness and workload.

16 GB Soldered Memory

This unit comes with 16 GB of DDR5 RAM; the platform supports up to 32 GB but the memory is not user-upgradeable. Buyers who need more than 16 GB for virtual machines or large datasets must choose a different configuration at purchase. The 512 GB NVMe SSD can be replaced with a larger drive if storage becomes a constraint.

Highlights

  • Touch interaction on a 15.3" WUXGA IPS display
  • Smooth multitasking with 16 GB DDR5 memory
  • Fast boot and load times from 512 GB NVMe SSD
  • Responsive performance from Ryzen 5 8540U up to 4.90 GHz
  • Clear video calls via 1080p IR camera with privacy shutter

Specifications

BrandLenovo
ColorLuna Grey
Operating SystemWindows 11 Pro
CPU TypeAMD Ryzen 5 8000 Series
Processor NameAMD Ryzen 5 8540U
Screen Size15.3"
Display TypeWide UXGA
Resolution1920 x 1200
GPU/VPUAMD Radeon 740M
SSD512GB
Memory16GB
WiFi GenerationWi-Fi 6
BluetoothYes
TouchpadYes
Backlit KeyboardBacklit
TypeWork / Business

Questions about this item

How do I install additional DDR5 memory in the IdeaPad Slim 3, and which step do people often miss?

Remove the base screws, pry the bottom cover off, and plug the DDR5 SO-DIMM into the single free slot; the step most people miss is seating the module fully until the side clips click before replacing the cover.

What maintenance or replacement will the 60 Wh battery need later?

The 3-cell 60 Wh lithium-polymer pack is not user-replaceable; when its runtime drops below your needs, a service centre must swap the entire battery assembly.

What limit appears first on the AMD Radeon 740M during sustained workloads?

The 60 Wh battery and shared DDR5 memory bandwidth constrain the Radeon 740M before its own thermal ceiling is reached, so frame rates dip once the power budget or memory throughput maxes out.

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