The IBM ThinkPad X31 (26721LG) is a compact and durable ultraportable laptop, designed for professionals who need a reliable, lightweight device for on-the-go productivity. Featuring a 12.1-inch XGA display, it delivers clear visuals while maintaining an ultra-portable form factor. Powered by an Intel Pentium M processor and equipped with 512MB of RAM (expandable) and a 40GB hard drive, the X31 offers solid performance for business tasks like word processing, web browsing, and email. Known for its robust build quality, the ThinkPad X31 also includes essential features like Wi-Fi connectivity, a full-sized keyboard, and a long battery life, making it ideal for users seeking portability, reliability, and value in a professional laptop.