green computing

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What is green computing?

Green Computing is the study and practice of using computing resources efficiently. Typically, technological systems or computing products that incorporate green computing principles take into account the so-called triple bottom line of economic viability, social responsibility, and environmental impact. This differs somewhat from traditional or standard business practices that focus mainly on the economic viability of a computing solution. These focuses are similar to those of green chemistry; reduction of the use of hazardous materials such as lead at the manufacturing stage, maximized energy efficiency during the product's term of use, and recyclability or biodegradability of both a defunct product and of any factory waste.

A typical green computing solution attempts to address some or all of these factors by implementing environmentally friendly products in an efficient system. For example, an IT manager might purchase EPEAT approved hardware combined with a thin client solution. As compared to a traditional desktop PC configuration, such a configuration would probably reduce IT maintenance-related activities, extend the useful life of the hardware, and allow for responsible recycling of the equipment past its useful life.

a definition from wikipedia
 

Sunday thoughts on ''green'' PCs 

Epiacenter.com editorial

"...The nine country survey, carried out earlier this year, found that from half to three-quarters of computer users say that they would be willing to pay extra for an environmentally friendly computer.

The amount computer users say they would be willing to pay extra runs from a low of $59 in Germany, $70 in Poland and $86 (%u20AC69) in the Philippines to $118 in Britain, $138 in Thailand, $199 in China and a whopping $229 in Mexico..."

Click here for the full article

Advantages of green computing 

and how to save a lot of money with it.

lets take a look at the power consumption of an ordinary pc system (P4 2,4 Ghz, 3.5" HDD, CD-RW, AGP Gfx, 512mb RAM):

PC off, screen off: 10 Watt
PC on (idle mode), screen off: 80 Watt
PC on, screen on, (idle mode): around 120 Watt
PC on, screen on, (burning a cd) around 235 Watt
PC on, screen on, 100% CPU-load: around 240 Watt

keep in mind that a recent system with highend graphic-card and dual or even quadcore cpu can use more than 3 times of this power consumption!

Now lets take a look at a recent Mini-ITX desktop system (or even a recent notebook with a mobile cpu) and 1.5 Ghz, 2.5" HDD, onboard graphic-card and a slimline optical drive:

PC off, screen off: 2 Watt
PC on (idle mode), screen off: 6 Watt
PC on, screen on, (idle mode): around 10 Watt
PC on, screen on, (burning a cd) around 25 Watt
PC on, screen on, 100% CPU-load: around 30 Watt

so if youre paying around 10cents per kilowatt hour, here is what you can save:

The standard 200W PC:

running 8h a day, 5 days a week, 50 weeks in a year = 400 kwh at 10cents an hour = $40
running 24h a day, 7 days a week, 50 weeks in a year = 1680 kwh at 10cents an hour = $168

A 30W "green pc":

running 8h a day, 5 days a week, 50 weeks in a year = 60 kwh at 10cents an hour = $6
running 24h a day, 7 days a week, 50 weeks in a year = 252 kwh at 10cents an hour = $25,2

Green Computing Videos 

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News on green computing 

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by mini-itx

Sascha Pallenberg has been a leading proponent of the Mini-ITX form
factor for several years, first co-founding Techcase in 2002, a company
developing... (more)

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