Calling it a “zero-watt” PC may be a bit of a stretch, but Fujitsu Siemens is nonetheless breaking a bit of new ground with its new Esprimo 7935 PC, which supposedly consumes no energy at all when it’s powered off, as opposed to the one to four watts an average PC consumes unless it’s actually unplugged. As you may recall, Fujitsu has already gotten in a bit of practice with its zero-watt monitor , although the PC takes things a bit farther by switching into in a low-power mode for a predetermined time period each day to get its necessary business done, after which it cuts the power off completely.

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Fujitsu Siemens introduces "zero-watt" Esprimo 7935 PC