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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

  • Screen size14.0 in (35.6 cm)
  • ProcessorIntel Core Ultra 7 (Series 1)
  • Graphics processorIntel UHD Graphics
  • Memory size16 GB
  • SSD storage4 TB
  • Display resolution1920 × 1200
  • 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.

How it compares

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

Price $1,736.99
Pricier than about 88% of the 32,549 comparable items (median $599.99).
Screen size 14.0 in (35.6 cm)
Lower than about 60% of the 32,085 comparable items (median 15.2 in).
Memory size 16 GB
Typical for this category: the median of 30,127 items is 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 nameX1 Carbon Gen 12
Part number21KCS4S600
Product colorBlack
Design styleThin and Light
Product typeWork / Business
Processor
ProcessorIntel Core Ultra 7 (Series 1)
CPU cores12-core Processor
Turbo clock speed4.8 GHz
Shared CPU cache12 MB
Memory
Memory size16 GB
RAM type and speedDDR5 6400
Memory configuration16 GB onboard
Total memory slots0
Free memory slots0
Maximum supported memory16 GB
Storage
SSD storage4 TB
Hard driveNo
Storage configuration4 TB NVMe SSD
Optical driveNo
Display
Screen size14.0 in (35.6 cm)
Display resolution1920 × 1200
Panel typeIPS
Touch inputNo
Widescreen compatibleYes
Display formatWUXGA
Graphics
Graphics processorIntel UHD Graphics
Graphics typeIntegrated Card
Audio & video
SoundIntegrated Sound card
SpeakersIntegrated Stereo Speakers
Web cameraYes
Connectivity
Wi-Fi standardWi-Fi 6E
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.3
Ports & slots
USB ports4
Thunderbolt ports1 x Thunderbolt 4
Video outputs1 x HDMI, Thunderbolt
HDMI ports1 x HDMI
Audio jacks1 x Headphone/Microphone Combo Jack
Power
Battery runtimeUp to 10 h
Battery pack3-cell Lithium Ion
Size & build
Overall dimensions8.45 × 12.31 × 0.59 in
Product weight2–2.9 lb (0.91–1.32 kg)
Software
Operating systemWindows 11 Pro
More details
Other featuresFingerprint reader
Pointing deviceYes
KeyboardStandard
Keyboard backlightBacklit

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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