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Disclaimer: You are being redirected to a partner site to complete your purchase. Dynabook is not responsible for the content or policies of linked third party websites so please read those policies closely, including privacy and security policies. If you have any questions or concerns about the products and services offered on linked third party websites, please contact the third party directly.

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Dynabook, Inc. and its subsidiaries were deconsolidated from Toshiba Group on October 1, 2018.

They will continue to develop, manufacture, sell, support and service PCs and system solutions products for global markets.

For information on products and services, please see the following site.

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Press Releases

Meet the Portégé Z40L-N: A Featherweight Copilot+PC with a User-Serviceable Battery

In today’s fast-moving business world, professionals need a laptop that keeps up with their pace—one that’s powerful, reliable, and built to last. Enter the Dynabook Portégé® Z40L-N, a masterclass in premium computing that redefines what it means to be ultra-light, ultra-durable, and ultra-capable.

A Rare Find: A Business Laptop with a User-Replaceable Battery

Gone are the days of being tethered to power outlets or dealing with expensive battery replacements. The Portégé Z40L-N features a user-replaceable 56Wh battery, giving professionals the flexibility to swap out their battery when needed—without waiting for service or sacrificing productivity. It’s a rarity in today’s ultra-thin laptop market and a game-changer for those who demand longevity from their devices.

Ultra-Light, Ultra-Durable, Built to Go Anywhere

Despite its robust performance, the Portégé Z40L-N remains incredibly light at just under 1 kg (2.2 lbs.). Featuring a magnesium alloy chassis this MIL-SPEC laptop isn’t just about portability—it’s built to last, and was tested to withstand drops, shocks, and environmental challenges.

AI-Powered Performance with Intel® Core™ Ultra and Copilot+ PC

The Portégé Z40L-N isn’t just smart—it’s built for the future. Powered by the latest Intel® Core™ Ultra processors, this laptop features Neural Processing Units (NPUs) that optimize AI-enhanced workloads, from Windows Studio Effects for enhanced video calls to AI-assisted gesture controls that streamline multitasking. As a Copilot+ PC, the Z40L-N unlocks AI-powered efficiency, offering intelligent assistance for writing, summarizing, designing, and more—right at your fingertips. With Copilot, productivity is elevated, helping professionals tackle complex tasks with ease.

Seamless Connectivity: The Ports You Need, the Speed You Expect

Unlike many modern laptops that compromise on connectivity, the Portégé Z40L-N offers a full suite of ports, including USB-A, Thunderbolt 4, HDMI, Gigabit Ethernet, and a microSD card slot. Whether you’re in the office, at a client site, or on the move, you’ll always have the connections you need—no dongles required. And with Wi-Fi 7 and Bluetooth 5.3, you’ll experience faster, more reliable wireless performance for seamless connectivity and collaboration.

Designed for Hybrid Work: High-Resolution Webcam and AI-Enhanced Audio

Whether you're dialing into an important meeting or working remotely, the 5MP IR webcam with Windows Hello support ensures crystal-clear video, while Dolby Atmos-tuned stereo speakers and AI noise cancellation deliver crisp, clear sound. No matter where you work, your calls will feel professional and polished.

A Commitment to Reliability: Up to 4 Years of Warranty

Dynabook stands behind the Portégé Z40L-N with one of the best warranty programs in the industry. Preconfigured (EZ Buy) models come with a 3-year warranty, while built-to-order versions extend that coverage to 4 years, giving businesses the peace of mind that their investment is protected. For added peace of mind, customers can equip this laptop with Dynabook’s +Care Service® Warranty with Onsite, ensuring a fast and convenient repair should it ever need it.

It’s time to rethink what a business laptop can be. Discover the ultra-intelligent and surprisingly lightweight Dynabook Portégé Z40L-N today.

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