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ThinkPad X13 Gen 5 21LU003SUS 13.3" Notebook - WUXGA - Intel Core Ultra 5 125U - 16 GB - 512 GB SSD - English Keyboard - Black
$1,740
Price last updated: 03/24/2026
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Technical Specifications
Frequently Asked Questions
What is the exact model number and generation of this ThinkPad?
This is the Lenovo ThinkPad X13 Gen 5, model number 21LU003SUS. It was first made available on June 6, 2024.
What type of RAM is installed and is it upgradeable?
The laptop comes with 16 GB of LPDDR5X memory soldered onto the motherboard. This is a low-power, high-performance type of RAM, but it is not user-upgradeable.
What is the screen's aspect ratio and how does it differ from Full HD?
The 13.3-inch screen has a resolution of 1920 x 1200 pixels, which is a 16:10 aspect ratio (WUXGA). This provides more vertical space than a standard 16:9 Full HD (1920x1080) screen, which is useful for productivity tasks.
What is the weight and physical size of this laptop?
The ThinkPad X13 Gen 5 weighs 2.49 pounds and measures 8.5 inches deep by 11.9 inches wide by 0.63 inches thick, making it a compact and portable business notebook.
Which version of Windows is pre-installed and what is the wireless connectivity standard?
It comes with Windows 11 Pro installed. For wireless networking, it uses the 802.11n Wi-Fi standard.
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5.0 out of 5 stars Great for everyday use and casual gaming
As someone who enjoys gaming and often juggles multiple tasks, this laptop has been a great fit for my needs. The large Full screen really stands out. it makes watching videos and playing games feel immersive and smooth. Also, impressed with how quickly it starts up and handles apps, even when switching between assignments, streaming, and casual web browsing. It’s been a reliable companion so far.
Raf
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5.0 out of 5 stars Great value, run smooth and looks cool!
I've been daily using it and I'm loving it. This laptop handles everything smooth without any lag even with multiple apps and multiple tabs open. I regularly have 20+ chrome tabs open along with other apps like teams, slack, Illustrator, etc and it just keeps running smooth.The design looks slick, nice and thin with metal finish. To be honest it feels way more expensive than it is.Battery lasts me through most of the workday, its decent, around 5~6 hours working without charging.Overall its a great pick if you don't want to spend too much and need a powerful laptop.