Hitachi has announced the commercial launch of its water-cooled notebook PC, a 1.8-GHz 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 says.
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," says Masayuki Akabane, a Hitachi spokesperson.
News source: PCWorld - Hitachi Shows Off Cool New Notebook
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 says.
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," says Masayuki Akabane, a Hitachi spokesperson.
News source: PCWorld - Hitachi Shows Off Cool New Notebook
Cool, Calm, and Collected
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 says.
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 panel and hence differentiate the water-cooled machine, Akabane says. The tank also can be hidden, he says.
Coming Soon
The products are equipped with a 1.8-GHz mobile Intel 4 processor, 128MB of RAM, a 20GB hard disk drive, and a 15-inch color TFT LCD. They are priced at $2,941. 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 September 30 in Japan, Akabane says. The company can provide the product for corporate users outside Japan on demand, he says.
The company is still looking at market trends before deciding when to launch the product for the consumer market, he says.
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 plasma display panels, Akabane says.
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