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Silver ThinkPad E15 Gen 4 laptop closed showing aluminum top cover and fingerprint reader

Lenovo

Lenovo ThinkPad E15 Gen 4 laptop i7-1255U 24GB 512GB

SKU CH-4J74-525YF MPN E15

A 15.6-inch IPS FHD laptop with a 10-core Intel Core i7-1255U up to 4.7GHz, 24GB DDR4 RAM and 512GB NVMe SSD running Windows 11 Pro

  • ColorSilver
  • Other FeaturesFingerprint reader
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core i7 12th Gen
  • Processor NameIntel Core i7-1255U
  • Turbo Frequency4.7GHz
  • 10-core Intel Core i7-1255U reaches 4.7 GHz turbo for responsive multitasking
  • 24 GB DDR4 memory handles heavy workloads without slowdown
  • 512 GB NVMe SSD provides fast storage and quick boot times
  • 6-inch IPS FHD display delivers clear visuals at 1920 x 1080
  • MIL-STD 810H tested with over 200 quality checks for proven durability

Business laptop for mobile professionals

The Lenovo ThinkPad E15 Gen 4 is a 15.6 inch notebook built around an Intel Core i7-1255U processor with 10 cores and a 4.7GHz turbo frequency. It ships with 24GB of DDR4 memory and a 512GB NVMe SSD running Windows 11 Pro. The IPS display delivers a 1920 x 1080 resolution on a non-touch panel. Integrated Intel Iris Xe graphics handle visual output.

Suits office workloads and travel.

This configuration serves professionals who need reliable multi-tasking performance, a comfortable screen and a fingerprint reader for secure login. The 1.78kg chassis meets MIL-STD 810H durability tests for field use. Buyers who need more storage or discrete graphics for rendering, gaming or CAD workloads should look at a different class of machine.

Ready to use with standard ports and slots

The laptop arrives assembled with the operating system installed and the upgraded memory and SSD already fitted. HDMI and Thunderbolt ports provide external display and high-speed peripheral connectivity. Installation issues are rare; the main consideration is verifying that any future storage expansion uses a compatible NVMe module.

Highlights

  • 10-core Intel Core i7-1255U reaches 4.7 GHz turbo for responsive multitasking
  • 24 GB DDR4 memory handles heavy workloads without slowdown
  • 512 GB NVMe SSD provides fast storage and quick boot times
  • 6-inch IPS FHD display delivers clear visuals at 1920 x 1080
  • MIL-STD 810H tested with over 200 quality checks for proven durability

Specifications

BrandLenovo
SeriesThinkPad
ModelE15 Gen 4
ColorSilver
Other FeaturesFingerprint reader
Operating SystemWindows 11 Pro
CPU TypeIntel Core i7 12th Gen
Processor NameIntel Core i7-1255U
Turbo Frequency4.7GHz
Number of Cores10-core Processor
Screen Size15.6"
TouchscreenNon-Touch Screen
Wide Screen SupportYes
Display TypeFHD
Resolution1920 x 1080
Display FeaturesIn-plane Switching (IPS) Technology
GPU/VPUIntel Iris Xe Graphics
Graphic TypeIntegrated Card
SSD512GB
HDDNo
Storage Spec512GB NVMe SSD
Memory24GB
Memory SpeedDDR4 2400
Memory Spec16 GB x 1 + 8 GB x 1
Memory Slot (Total)1
Memory Slot (Available)0
Max Memory Supported24 GB
LAN10/100/1000Mbps
WLANWi-Fi 6
BluetoothBluetooth 5.0
USB1x USB 2.0, 1x USB 3.2 Gen 1, 1x USB-C 3.2 Gen 2
Video Port1x HDMI, 1x Thunderbolt 4
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
AudioIntegrated Sound card
SpeakerIntegrated Stereo Speakers
TouchpadYes
KeyboardBacklit with number pad
Backlit KeyboardBacklit
WebcamYes
TypeWork / Business
AC Adapter/Charger65-watt AC Adapter
Battery3-cell Lithium Ion
Battery Life> 5 hours
Dimensions (W x D x H)9.44" x 14.37" x 0.74"
Weight3 - 3.9 lbs.

Questions about this item

Does the 512 GB NVMe SSD need any extra bracket or cable to install in the E15 Gen 4?

The 512 GB NVMe SSD is already installed and tested, so no extra bracket or cable is required.

Will my older Thunderbolt 3 dock work with the Thunderbolt port on this i7-1255U system?

The Thunderbolt port supports Thunderbolt 3 devices, so your existing dock will connect and function.

How can I confirm the 24 GB DDR4 memory is running at the correct speed after setup?

Open Task Manager, select the Performance tab, choose Memory and verify the speed shown matches the DDR4 specification.

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