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Merlot Lenovo IdeaPad S340 15.6 inch HD laptop closed

Lenovo

Lenovo IdeaPad S340 laptop Intel Core i5-8265U 8GB 256GB NVMe 15.6" HD

SKU CH-0T5N-MPMX5 MPN S340

A 15.6-inch HD laptop with an Intel Core i5-8265U up to 3.9GHz, 8GB DDR4 memory and a 256GB NVMe drive running Windows 10 Pro

  • ColorMerlot
  • Operating SystemWindows 10 Pro
  • CPU TypeIntel Core i5 8th Gen
  • Processor NameIntel Core i5-8265U
  • Turbo Frequency3.9GHz
  • Number of CoresQuad-core Processor
  • Quad-core processor reaches 3.9 GHz turbo for responsive multitasking
  • 8 GB DDR4 memory handles everyday workloads smoothly
  • 256 GB NVMe SSD provides fast boot and app loading
  • 6-inch HD display with narrow bezels offers wider viewing area
  • 720p webcam includes privacy shutter for secure video calls

What this laptop is

The Lenovo IdeaPad S340 is a 15.6-inch Windows 10 Pro notebook built around a quad-core Intel Core i5-8265U processor that reaches 3.9GHz. It ships with 8GB of DDR4 memory and a 256GB NVMe SSD. The HD display runs at 1366 x 768 and includes a 720p webcam. This configuration suits students and office workers who need a light machine for everyday productivity.

Thermals, noise and power

The U-series processor has a low base frequency of 1.60GHz and a modest thermal design, so the cooling system stays quiet during typical document work and web browsing. Fan activity rises only when sustained loads push the chip toward its 3.9GHz turbo. The integrated Intel UHD Graphics shares system memory and adds little extra heat. Battery life benefits from the efficient silicon and the non-touch HD panel.

The deciding specification

The screen resolution of 1366 x 768 is the single figure that determines whether this S340 fits your workflow. Text and images will appear less sharp than on Full HD panels, so buyers who need crisp detail for design, coding or media editing should look elsewhere. The 8GB memory includes 4GB soldered on board, limiting future upgrades to one SO-DIMM slot. Users who want more storage or a higher-resolution display will need a different model.

Highlights

  • Quad-core processor reaches 3.9 GHz turbo for responsive multitasking
  • 8 GB DDR4 memory handles everyday workloads smoothly
  • 256 GB NVMe SSD provides fast boot and app loading
  • 6-inch HD display with narrow bezels offers wider viewing area
  • 720p webcam includes privacy shutter for secure video calls

Specifications

BrandLenovo
SeriesIdeaPad
ModelS340
ColorMerlot
Operating SystemWindows 10 Pro
CPU TypeIntel Core i5 8th Gen
Processor NameIntel Core i5-8265U
Turbo Frequency3.9GHz
Number of CoresQuad-core Processor
Screen Size15.6"
TouchscreenNon-Touch Screen
Wide Screen SupportYes
Display TypeHD
Resolution1366 x 768
GPU/VPUIntel UHD Graphics
Graphic TypeIntegrated Card
SSD256GB
HDDNo
Storage Spec256GB NVMe SSD
Memory8GB
Memory SpeedDDR4 2400
Memory Spec4 GB x 2
Memory Slot (Total)1
Memory Slot (Available)0
Max Memory Supported20 GB
WLANWi-Fi 5 (802.11ac)
BluetoothBluetooth 4.2
USB2x USB 3.1 Gn 1, 1x USB-C 3.1 Gen 1
Video Port1x HDMI
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
AudioIntegrated Sound card
SpeakerIntegrated Stereo Speakers
TouchpadYes
KeyboardFull-size with number pad
Backlit KeyboardNon-backlit
WebcamYes
Card Reader3-in-1
TypeEveryday Value
AC Adapter/Charger45-watt AC Adapter
Battery3-cell Lithium Ion
Battery Life> 5 hours
Dimensions (W x D x H)9.6" x 14.1" x 0.7"
Weight3 - 3.9 lbs.

Questions about this item

How is the single DDR4 SO-DIMM slot accessed for a memory upgrade, and which step do people often miss?

Remove the bottom case screws, lift the panel carefully, then insert the module at an angle until it clicks; the step often missed is pressing the stick down firmly until both retention clips snap shut.

Which component will need replacement first — the 256 GB NVMe SSD or the 720 p webcam?

The 256 GB NVMe SSD has a finite write endurance and will eventually wear out, while the 720 p webcam is a passive sensor with no moving parts and rarely fails.

At what turbo frequency does the Core i5-8265U hit its thermal ceiling during a long compile?

The processor can reach 3.9 GHz on short bursts, but sustained loads typically settle closer to the 1.60 GHz base once the cooling saturates.

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