Hitachi releases water-cooled notebook PC

Hitachi Ltd. has announced the commercial launch of its water-cooled notebook PC, a 1.8GHz mobile Pentium 4-based machine which uses a patented Hitachi system to aid heat dissipation.

Most notebooks are cooled by air fans, and as processors have grown more powerful and begun to generate more heat, these fans have become more numerous, larger, and have needed to spin faster.

This has also meant that fans have become noisier and might not be suitable for use in places like libraries, Hitachi said.

The new Flora 270W Silent Model uses a water-based solution tank, instead of a fan or fans for cooling down the processor. Hitachi announced a working prototype using this technology in February. "The efficiency of a water cooling system and the air cooling system are about the same but the biggest difference is the noise the latter creates," said Masayuki Akabane, a Hitachi spokesman.

The water-based solution runs through a flexible tube that is placed over the chips and absorbs heat. The heated water solution is then sent to the display part of the notebook to be stored in a tank where it cools down.

The solution can last for more than five years, the flexible tube can circulate the solution over 20,000 times and the pump works for more than 44,000 hours, the statement said.

Plastic panels separate these water-cooling elements from high-voltage areas, in case of a solution leak from the cooling system. The Tokyo company also offers a three-year guarantee service for the product.

The new products are slightly thicker than existing air-cooled Flora models, in order to show the tank at the back of the LCD (liquid crystal display) panel and hence differentiate the water-cooled machine, Akabane said. The tank also be hidden, he said.

The products are equipped with a 1.8GHz mobile Intel 4 processor, 128M bytes of RAM, a 20G-byte hard disk drive and a 15-inch (37.5-centimeter) color TFT (thin film transistor) LCD (liquid crystal display), and are priced at ¥341,000 (AUD$5,300). The products can be customized to connect via Ethernet, a modem or an IEEE802.11b interface.

Hitachi started taking custom orders from corporate customers at its online shopping site on Wednesday. The products are expected to be shipped on Sept. 30 in Japan, Akabane said. The company can provide the product for corporate users outside Japan on demand, he said.

The company is still looking at market trends before deciding when to launch the product for the consumer market, he said.

Hitachi has patents for this unique water-cooling system, and is trying to promote it as a standard throughout the industry. Several high-end product makers are in talks with Hitachi for possible adoption of the technology in servers and PDPs (plasma display panels), Akabane said.

Join the newsletter!

Or

Sign up to gain exclusive access to email subscriptions, event invitations, competitions, giveaways, and much more.

Membership is free, and your security and privacy remain protected. View our privacy policy before signing up.

Error: Please check your email address.
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Kuriko Miyake

PC World
Show Comments

Brand Post

Most Popular Reviews

Latest Articles

Resources

PCW Evaluation Team

Luke Hill

MSI GT75 TITAN

I need power and lots of it. As a Front End Web developer anything less just won’t cut it which is why the MSI GT75 is an outstanding laptop for me. It’s a sleek and futuristic looking, high quality, beast that has a touch of sci-fi flare about it.

Emily Tyson

MSI GE63 Raider

If you’re looking to invest in your next work horse laptop for work or home use, you can’t go wrong with the MSI GE63.

Laura Johnston

MSI GS65 Stealth Thin

If you can afford the price tag, it is well worth the money. It out performs any other laptop I have tried for gaming, and the transportable design and incredible display also make it ideal for work.

Andrew Teoh

Brother MFC-L9570CDW Multifunction Printer

Touch screen visibility and operation was great and easy to navigate. Each menu and sub-menu was in an understandable order and category

Louise Coady

Brother MFC-L9570CDW Multifunction Printer

The printer was convenient, produced clear and vibrant images and was very easy to use

Edwina Hargreaves

WD My Cloud Home

I would recommend this device for families and small businesses who want one safe place to store all their important digital content and a way to easily share it with friends, family, business partners, or customers.

Featured Content

Product Launch Showcase

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?