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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

  • Other FeaturesFingerprint reader, Secure Chip
  • Screen Size15.6"
  • Wide Screen SupportYes
  • Display TypeFHD
  • PanelIPS
  • Resolution1920 x 1080
  • 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.

Highlights

  • 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

Specifications

BrandLenovo
SeriesThinkPad
ModelThinkPad E15 Gen 4 (Intel)
Part Number21E6007GUS
Other FeaturesFingerprint reader, Secure Chip
Screen Size15.6"
Wide Screen SupportYes
Display TypeFHD
PanelIPS
Resolution1920 x 1080
Display Features15.6" FHD (1920x1080) IPS 300nits Anti-glare, 45% NTSC
SSD1TB
Memory40GB
Memory Slot (Total)1
Memory Slot (Available)0
Max Memory Supported40 GB
LAN10/100/1000Mbps
BluetoothBluetooth 5.1
USB1x USB 2.0
1x USB 3.2 Gen 1 (Always On)
1x Thunderbolt 4 / USB4 40Gbps (support data
transfer, Power Delivery 3.0 and DisplayPort 1.4)
Thunderbolt1 x Thunderbolt 4 / USB4
HDMI1 x HDMI
AudioHigh Definition (HD) Audio, Realtek ALC3287 codec
SpeakerStereo speakers, 2W x2, Dolby Audio, audio by HARMAN
Backlit KeyboardNon-backlit
WebcamFHD 1080p with Privacy Shutter
StyleStandard
TypeWork / Business
UsageConsumer
AC Adapter/Charger65W USB-C (2-pin)
BatteryIntegrated 45Wh

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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