WD Advanced Format technology increases media format efficiency, thus enabling larger drive capacities. WD Advanced Format drives are specifically optimized for Mac and the latest Windows operating systems such as Windows Vista and Windows 7. WD Advanced Format drives work with legacy operating systems such as Windows XP but require the use of the free WD Align software available on www.wdc.com/advformat. Available in capacities up to 2 TB, WD Caviar® GreenTM SATA hard drives reduce power consumption by up to 40% and offer best-in-class acoustics and operating temperature. Based on WD's exclusive GreenPowerTM technology, these drives are designed to deliver power savings as the primary attribute. As hard drive capacities increase, the power required to run those drives increases as well. WD Caviar Green drives make it possible for energy-conscious customers to build systems with higher capacities and the right balance of system performance, ensured reliability, and energy conservation. They are ideal for PCs, external storage and other devices that require lower power consumption and cool, quiet operation.

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Clean lines, no frills and WD quality make WD Elements external hard drives an easy, modern solution to your data storage needs.

Western Digital's WD Elements Desktop USB 2.0 external hard drive is the right answer for simple, reliable add-on storage. Simply plug it in to a USB port and start saving your photos, music, video, and files.WD quality inside and out - Designed with the same commitment to quality that made WD external drives the number one selling drives in the world.

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Lately the market has been filled with so many new computers. Specifically laptops and tablet PC's. The numbers of these are expected to balloon even more. For those planning on buying one this can be a hard decision to make. The choice between a portable system and a desktop computer can be confusing. Do you go with all the new trends? Or do you stick to something tried and tested?

Mobility
A big deciding factor when choosing between these two types of systems is mobility. Basically, portable computers are good if you need to take it along with you. This is ideal for students, businessmen and people constantly on the go. However, if you do not need to have a system with you all the time then there is nothing wrong with a desktop system.

Performance
Generally, desktop computers have the upper hand when it comes to performance. You can get a whole lot more from it than a portable computer. Desktops have better processors, memory and almost everything else. Although there are a number of portable computers that can compete, you generally get better results with a desktop. If you are planning on using your computer to run some major applications, for multimedia or for gaming desktop is the way to go.

Expandability
Portable computers have no expandability whatsoever other than increased ram. It would cost so much to upgrade a portable computer if it was possible. With a desktop computer you have the option for an upgrade anytime. It is easy to add and replace parts. Not to mention that these computer parts are generally cheaper as well.

Cost
The question of cost also comes up. The price of a desktop computer is a far cry from any portable system. If you spent what you did for a laptop on a desktop computer you would have a very powerful machine. In short, you can get a whole lot more on desktop computers for much less than a portable one.

Richard McMillan is a recognised expert in the field of technology. For over 15 years he has been in the computer and electronics industry. During this time he has gained a reputation for his knowledge and insights.

Richard is part of the Computer.com.au team - a comparison shopping site that simplifies the online shopping experience while saving you time and money.

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In the vast spread of technology nowadays, we cannot deny the fact that personal computers became one of the most important things that one should posses. It has become a necessity for some due to the benefits that we can get from it. And with the fast-phased innovations from computer manufacturers, we are now bombarded with tons of computer variations. How cool it may sound, we users are till living practically. With tons of offers these manufacturers can give, we come up with a huge problem; what to buy, a desktop or a laptop?

So here are some helpful comparisons between the two computer variations.

Desktops are widely used personally at home and here are its edges compared to a laptop. It is flexible since its hardware and circuits are not as compact like what we have in laptops, meaning if one part of your hardware (e.g. the hard disk) wears out you can still have a chance to replace it. In that way you won't spend too much cash since you just had a replacement. Desktops are also upgradable in a sense that we can replace a certain part in your system (e.g. video cards) if you need a better one or an advanced version. Desktops are also recommended for heavy duty users such as gamers or programmers, since they are durable and can withstand hours of usage without rest.

Laptops on the other hand are most likely used by people who have an outgoing lifestyle. These wireless machines are portable that you can bring them where ever and when even you need them. Like a desktop you can also change some parts of your laptop but since its hardware construction and circuits are too intact with each other it would be really hard to do it and it's quite expensive. You might as well buy a new laptop when ever you feel it's broken or you feel that you need a new one. With that same reason, laptops are more delicate than desktops so it is recommended that these portable machines are just for light usage, such as preparing a business presentation or a typical school term paper.

To sum it all up, both of these computer variation can be a helpful tool. The best advice would be, choose a personal computer that would suit best in your kind of lifestyle. If you need a computer where ever you go then go for a handy dandy laptop, but if you think you'll need a heavy duty computer then go for a desktop.

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