Toshiba Qosmio X500: The 18-Inch Gaming Laptop, Revisited

What the X500 was

The Qosmio range was Toshiba's multimedia and gaming line, and the X500 was its largest member. The specifications that made the news were the 18.4 inch full HD screen, a quad-core mobile processor from the first generation of that family, a mid-to-high-end dedicated graphics chip, two drive bays that allowed a fast drive for the operating system and a large one for storage, and a Blu-ray drive at a time when that was still exotic in a laptop. The styling was as loud as the fans: glossy red and black panels, a red-backlit keyboard with a full number pad, and speakers above the keyboard tuned by an audio brand. The Q930S variant covered here refreshed the processor and graphics in 2010.

The line had history behind it. The first Qosmio arrived on 25 July 2004 as a 15 inch multimedia machine, and over five years the focus shifted from living-room media to gaming. The X500 series went on sale on 22 October 2009, and it was a plainer design than the X300 it replaced, with the red confined to accents rather than covering the lid. It also brought a multi-touch trackpad to the line, a detail that sounds trivial now and was a selling point then.

The desktop-replacement class, then and now

Specifications date quickly; the shape of the category dates more slowly. The table below describes the class the X500 belonged to in 2009 and the class that occupies the same shelf in 2026, in general terms rather than model numbers.

The colour-changing Qosmio T750

This site also covered a stranger Qosmio: the T750, sold mainly in Japan in 2011, whose lid finish shifted colour with the viewing angle and lighting, marketed as the first colour-changing notebook. It used a layered coating rather than anything electronic, so the effect was closer to a car paint than a display. It was a reminder that Toshiba's consumer laptop division, at its peak, was willing to try almost anything on a lid.

What became of Toshiba laptops

Toshiba had been making portable computers since the mid 1980s and was one of the biggest laptop brands of the 1990s and 2000s. Falling margins in consumer PCs, a corporate accounting scandal in 2015 and losses elsewhere in the group led the company to withdraw from consumer laptops in Europe and North America in 2016 and refocus on business machines. In 2018 a majority of the PC business was sold to Sharp and renamed Dynabook, the name Toshiba had used for its laptops in Japan since 1989; the remaining stake followed in 2020. Dynabook continues to sell business laptops, but there is no Qosmio, and no 18 inch gaming machine, in its range.

How the exit happened, step by step

The end of Toshiba's consumer laptop business was drawn out over more than four years, and the Qosmio name went first. The dates below come from Toshiba's and Dynabook's own announcements and from the published company history.

Two details in that timeline are easy to miss. The Qosmio line ended in 2013, three years before the consumer exit, so the decision to stop making big gaming laptops came well before the decision to stop making consumer laptops at all. And the business Sharp bought was already business-focused; the machines it sells today descend from the Portege and Tecra lines rather than from the X500.

Why the category survived when the brand did not

The X500 belonged to the desktop-replacement class: laptops that never leave the desk but are technically portable. In 2009 that category existed because desktop parts were far faster than mobile ones. It survives today for the opposite reason: mobile chips are fast enough that a large laptop can genuinely replace a desktop for gaming or creative work, and buyers pay for the option of moving it occasionally. Modern 17 and 18 inch gaming laptops are lighter, quieter and enormously faster than the X500, and they still look, from across a room, like its descendants.

Why the X500 still matters

The X500 got the shape of the future right: a big screen, a dedicated graphics chip, fast storage separate from bulk storage, and a keyboard lit for the dark. Every large gaming laptop sold in 2026 follows that recipe. What it could not know was that the company building it would be out of the market within seven years. For anyone weighing a large gaming laptop today, the lesson is to buy the machine on its merits and the maker on its record of support, because the second can vanish faster than the first wears out. The gaming laptop buying guide on this site covers how to judge both.

Find more like this in the archive of revisited tech stories. The same year's budget machines are covered in the Acer 2009 notebooks retrospective, and glasses-free 3D on laptops in the 3D screens of 2010. If you want a large gaming laptop now, the modern gaming laptop checklist explains what matters.