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Black 15.6 inch business laptop, matte anti-glare screen, numeric keypad, fingerprint reader, webcam privacy shutter

Lenovo

Lenovo ThinkPad E15 Gen 4 15.6" FHD i7-1255U 40GB 1TB business laptop 21E6007GUS

SKU CH-G2T9-870XD

15.6" FHD IPS laptop with 40GB RAM, 1TB SSD, Thunderbolt 4 and Wi-Fi 6E

  • Screen size15.6 in (39.6 cm)
  • Memory size40 GB
  • SSD storage1 TB
  • Display resolution1920 × 1080
  • Panel typeIPS
  • Other featuresFingerprint reader, Secure Chip
  • 12th Gen Intel i7-1255U deca-core processor delivers responsive multitasking
  • 40GB DDR4 3200MHz memory handles demanding workloads smoothly
  • 1TB PCIe NVMe SSD provides fast storage for large files
  • 6" FHD IPS anti-glare display offers clear visuals at 300 nits
  • Thunderbolt 4 port enables 40Gbps data transfer and dual 4K monitor support

Product identity and audience

The Lenovo ThinkPad E15 Gen 4 is a 15.6-inch business laptop with a 12th Generation Intel Core i7-1255U processor, 40GB DDR4 3200MHz memory and a 1TB PCIe NVMe SSD. It targets professionals who need a portable Windows 11 Pro machine for office applications, video calls and light content creation. Buyers who want more storage or a discrete graphics card for heavy 3D work should look elsewhere.

Interface limits and practical constraints

The single Thunderbolt 4 port delivers 40Gbps bandwidth, Power Delivery 3.0 and DisplayPort 1.4, allowing two external 4K displays at 60Hz alongside the internal panel. HDMI 2.0 adds a third video output. Wi-Fi 6E AX211 and Bluetooth 5.2 handle wireless connectivity, while the sole USB 3.2 Gen 1 port caps peripheral throughput at 5Gbps. The 45% NTSC colour gamut and 300-nit brightness limit colour-critical tasks.

Installation experience and common issues

Memory is maxed at 40GB with zero free slots, so no RAM upgrades are possible. The M.2 SSD can be swapped, though the resealed chassis may show opened tamper seals. Driver updates for Intel Iris Xe graphics and the AX211 wireless module occasionally require manual installation after a clean Windows 11 Pro setup. The 45Wh battery supports Rapid Charge to 80% in one hour.

How it compares

Measured against everything we stock in Business Notebook Computers, at today’s prices. Recalculated every night.

Price $1,964.99
Pricier than about 90% of the 1,620 comparable items (median $791.99).
Screen size 15.6 in (39.6 cm)
Typical for this category: the median of 1,569 items is 15.6 in.
Memory size 40 GB
Higher than about 90% of the 1,326 comparable items (median 16 GB).

New to this? Buying a laptop with crypto, start to finish — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameLenovo
Product lineThinkPad
Model nameThinkPad E15 Gen 4 (Intel)
Part number21E6007GUS
Design styleStandard
Product typeWork / Business
Recommended useConsumer
Memory
Memory size40 GB
Total memory slots1
Free memory slots0
Maximum supported memory40 GB
Storage
SSD storage1 TB
Display
Screen size15.6 in (39.6 cm)
Display resolution1920 × 1080
Panel typeIPS
Widescreen compatibleYes
Display formatFHD
Screen features15.6 in FHD (1920 × 1080) IPS 300nits Anti-glare, 45% NTSC
Audio & video
SoundHigh Definition (HD) Audio, Realtek ALC3287 codec
SpeakersStereo speakers, 2 W x2, Dolby Audio, audio by HARMAN
Web cameraFHD 1080p with Privacy Shutter
Connectivity
LAN connection10/100/1000 Mbit/s
Bluetooth support5.1
Ports & slots
USB ports1x USB 2.0
1x USB 3.2 Gen 1 (Always On)
1x Thunderbolt 4 / USB4 40 Gbit/s (support data
transfer, Power Delivery 3.0 and DisplayPort 1.4)
Thunderbolt ports1 x Thunderbolt 4 / USB4
HDMI ports1 x HDMI
Power
Power adapter65 W USB-C (2-pin)
Battery packIntegrated 45 Wh
More details
Other featuresFingerprint reader, Secure Chip
Keyboard backlightNon-backlit

Questions about this item

Should I pick the 40GB DDR4 3200MHz configuration or look for a different capacity?

The laptop ships with 40GB DDR4 3200MHz (8GB soldered + 32GB DIMM) and the single memory slot is already full, so this is the only capacity available.

What does the i7-1255U deca-core processor deliver in daily workloads?

Ten cores (2 performance up to 4.7 GHz, 8 efficiency up to 3.5 GHz) and 12 threads handle multitasking, office suites and light creative tasks smoothly.

What can the Thunderbolt 4 / USB4 40Gbps port actually drive?

It supports 40 Gbps data, Power Delivery 3.0 charging, DisplayPort 1.4 video and can run two external 4K 60 Hz monitors alongside the internal screen.

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