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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

  • Screen size15.6 in (39.6 cm)
  • ProcessorIntel Core i7 12th Gen
  • Graphics processorIntel Iris Xe Graphics
  • Memory size24 GB
  • SSD storage512 GB
  • Display resolution1920 × 1080
  • 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.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $1,556.99
Pricier than about 86% of the 32,549 comparable items (median $599.99).
Screen size 15.6 in (39.6 cm)
Higher than about 60% of the 32,085 comparable items (median 15.2 in).
Memory size 24 GB
Higher than about 70% of the 30,127 comparable items (median 16 GB).

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Specifications

Product
Brand nameLenovo
Product lineThinkPad
Model nameE15 Gen 4
Product colorSilver
Product typeWork / Business
Processor
ProcessorIntel Core i7 12th Gen
Processor modelIntel Core i7-1255U
CPU cores10-core Processor
Turbo clock speed4.7 GHz
Memory
Memory size24 GB
RAM type and speedDDR4 2400
Memory configuration16 GB x 1 + 8 GB x 1
Total memory slots1
Free memory slots0
Maximum supported memory24 GB
Storage
SSD storage512 GB
Hard driveNo
Storage configuration512 GB NVMe SSD
Display
Screen size15.6 in (39.6 cm)
Display resolution1920 × 1080
Touch inputNon-Touch Screen
Widescreen compatibleYes
Display formatFHD
Screen featuresIn-plane Switching (IPS) Technology
Graphics
Graphics processorIntel Iris Xe Graphics
Graphics typeIntegrated Card
Audio & video
SoundIntegrated Sound card
SpeakersIntegrated Stereo Speakers
Web cameraYes
Connectivity
LAN connection10/100/1000 Mbit/s
Wi-FiWi-Fi 6
Bluetooth support5.0
Ports & slots
USB ports1x USB 2.0, 1x USB 3.2 Gen 1, 1x USB-C 3.2 Gen 2
Video outputs1x HDMI, 1x Thunderbolt 4
HDMI ports1 x HDMI
Audio jacks1 x Headphone/Microphone Combo Jack
Power
Battery runtime> 5 h
Power adapter65-watt AC Adapter
Battery pack3-cell Lithium Ion
Size & build
Overall dimensions9.44 in × 14.37 in × 0.74 in
Product weight3–3.9 lb (1.36–1.77 kg)
Software
Operating systemWindows 11 Pro
More details
Other featuresFingerprint reader
Pointing deviceYes
KeyboardBacklit with number pad
Keyboard backlightBacklit

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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