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Black carbon-fibre ultraportable laptop with 14-inch WUXGA IPS screen, closed lid showing ThinkPad logo

Lenovo

Lenovo ThinkPad X1 Carbon Gen 12 14" WUXGA Ultra 7 155U 16GB 4TB laptop

SKU CH-TSNY-NKYVG

A 14 inch WUXGA business laptop with a 12 core Intel Core Ultra 7 155U processor, 16GB DDR5 memory and a 4TB NVMe SSD running Windows 11 Pro

  • ColorBlack
  • Other FeaturesFingerprint reader
  • Operating SystemWindows 11 Pro
  • CPU TypeIntel Core Ultra 7 (Series 1)
  • Turbo Frequency4.8GHz
  • Number of Cores12-core Processor
  • 14-inch WUXGA IPS display at 1920 x 1200 resolution
  • Intel Core Ultra 7 155U with 12 cores up to 4.8 GHz
  • 16 GB DDR5 memory for responsive multitasking
  • 4 TB NVMe SSD provides vast storage capacity
  • Fingerprint reader and backlit keyboard enhance security and usability

ThinkPad X1 Carbon Gen 12 for mobile professionals

The 14.0 inch WUXGA laptop combines a 12 core Intel Core Ultra 7 155U processor with 16GB DDR5 memory and a 4TB NVMe SSD. Integrated Intel UHD Graphics drive the 1920 x 1200 IPS panel. Windows 11 Pro, a fingerprint reader and backlit keys complete the specification for demanding business travel.

Installation and common issues

The system arrives fully assembled with the upgraded configuration already installed and tested. No internal hardware steps are required from the buyer. The only typical friction point is the initial Windows 11 Pro setup and driver updates, which can take extra time on first boot if a large cumulative update is pending.

Pre order checks

Verify that your workflow can operate within 16GB of soldered memory because the platform does not support upgrades. Confirm that Thunderbolt 4 and HDMI cover every external display or dock you plan to connect. Ensure your software stack runs on Windows 11 Pro and that the 14 inch form factor satisfies your portability requirements.

Highlights

  • 14-inch WUXGA IPS display at 1920 x 1200 resolution
  • Intel Core Ultra 7 155U with 12 cores up to 4.8 GHz
  • 16 GB DDR5 memory for responsive multitasking
  • 4 TB NVMe SSD provides vast storage capacity
  • Fingerprint reader and backlit keyboard enhance security and usability

Specifications

BrandLenovo
SeriesThinkPad
ModelX1 Carbon Gen 12
Part Number21KCS4S600
ColorBlack
Other FeaturesFingerprint reader
Operating SystemWindows 11 Pro
CPU TypeIntel Core Ultra 7 (Series 1)
Turbo Frequency4.8GHz
Number of Cores12-core Processor
Smart Cache12MB
Screen Size14.0"
TouchscreenNo
Wide Screen SupportYes
Display TypeWUXGA
Resolution1920 x 1200
PanelIPS
GPU/VPUIntel UHD Graphics
Graphic TypeIntegrated Card
SSD4 TB
HDDNo
Storage Spec4TB NVMe SSD
Memory16GB
Memory SpeedDDR5 6400
Memory Spec16 GB onboard
Memory Slot (Total)0
Memory Slot (Available)0
Max Memory Supported16 GB
Optical Drive TypeNo
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.3
USB4
Thunderbolt1 x Thunderbolt 4
Video Port1 x HDMI, Thunderbolt
HDMI1 x HDMI
Audio Ports1 x Headphone/Microphone Combo Jack
AudioIntegrated Sound card
SpeakerIntegrated Stereo Speakers
TouchpadYes
KeyboardStandard
Backlit KeyboardBacklit
WebcamYes
StyleThin and Light
TypeWork / Business
Battery3-cell Lithium Ion
Battery LifeUp to 10 Hours
Dimensions (W x D x H)8.45 x 12.31 x 0.59 in
Weight2 - 2.9 lbs.

Questions about this item

How can I confirm the Intel Core Ultra 7 155U is reaching its 4.8 GHz turbo frequency under load?

Open Task Manager's Performance tab and watch the CPU clock speed while running a demanding task; it should spike toward 4.8 GHz on the 12-core processor.

What accessories are included in the box besides the laptop itself?

The box contains the ThinkPad X1 Carbon Gen 12 unit, a USB-C power adapter and standard documentation; Thunderbolt 4 cables or docks are not included.

Which configuration suits heavy local workloads — the 16 GB DDR5 memory or the 4 TB NVMe storage?

The 4 TB NVMe SSD provides space for large project files and virtual machines, while 16 GB DDR5 handles active multitasking; both are fixed on this model.

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