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Acer desktops are popular with many customers. They are used by professionals, students and home workers. Right now, you probably know how your computer works. You are either happy or disappointed with its performance. There are things that you want to improve, but you do not know how to start. It is good to know the hardware parts that form your computer. Hardware can directly affect the performance of a PC.

The first type of hardware is the CPU unit. A reliable computer has an efficient CPU unit. The CPU unit controls every other functions of the computer. The CPU unit must always operate at optimum levels. The speed of a CPU is important because no one likes a slow computer. Acer computers utilize a wide range of processors. Besides speed, you must count the number of cores in processor. Check the range of functions of the processor and decide if it meets your needs. Most of the time, high performing PCs are more expensive.

The second type of hardware is the memory. All computers contain some kind of memory.RAM memory is the most utilized. You have a choice between DDR3 memory and DDR2 memory. Lower priced desktops function on DDR2 memory. As a buyer, you are advised to choose a computer with a big memory. Go for 4GB of RAM and more. You will be on the safe side. Your system is assured of smooth operation if you choose a large memory. A combination of large memory and speed is good. Fast memory improves performance.

The hard drive is a sturdy piece of hardware. It affects the performance of the computer in many ways. The best hard drive is one with a large capacity and high speed. Speed and capacity affects the performance of the computer. Low speed and small capacity are undesirable. Find a system with over 500GB of storage. Most PCs utilize hard drives that run at 7200rpm.However, you can get hard drives with higher maximums – mostly around 10,000rpm.

The second type of drive is the optical drive. This piece of hardware is a standard component on many PCs.An optical is capable of playing DVD/CD/BluRay media. A burner that can support R/RW formats is available.

Efficient DVD burners play media at higher speeds, preferably over 16x. A system that hosts dual layer formats is a bonus.However, dual layer formats are expensive.

The last type of hardware to check on your shopping list is the video card feature. The video card feature is pre-installed on the latest computers. When selecting a system with video card technology, you must consider the size and the output connectors. You must also check the performance rating. A DirectX10 card system is the best.

Andrew Johnson is an expert in electronic products. If you want further information about types of Acer desktops or are looking for a reputable computer retailer please visit http://www.ebuyer.com

No more worrying about what will happen to all those files you have in case of a computer crash. Western Digital external hard drives will save you time and money because you can have a back up of all those files. Pictures, music, etc. All saved with a few clicks of the mouse button.

When you mention hard drive to some people, dollar signs immediately spring to mind. External hard drives can be relatively cheap if you do a little research before purchasing. I have personally seen 500 GB hard drives going for about $79. Keep an eye out on those computer store specials, etc. If you are in the market for one.

Instead of filling up your internal drive and making your computer more sluggish, get those files that you do not use a lot off of your computer. Copy them or even move them totally over to an external hard drive. If you have 1000s of music files but you have already moves them to your MP3 player of choice, move them. Keeping them on the computer is a waste of good space. Once we move those files we rarely use them on the actual computer itself, well I know I don’t. The same with pictures. Pictures can be big files and take up huge amounts of space. Move those files to a couple of different storage locations and free up some space.

I say this because the more stuff, especially graphics, music and the like, that you keep on a computer the slower it will get; especially if your computer was never really made or built to handle these types of things. If your computer is newer you probably do not have this problem as most of them are built to handle graphics, games, pictures, etc.

Have this saved me a headache? You bet it has. When my desktop crashed six months ago because of an internal hard drive failure, I had all my work files saved on another disk which was able to be moved over once I got a new internal drive. The Tech support took good care of me with little worries because I was prepared. Why, because I had crashed before and lost absolutely everything. I still have not replaced all the music and such that I lost that first time. Cannot even remember half of what I lost. If you do business on any computer I would recommend having a back up source or two for those files. You cannot recover those once they are gone. Have a drive just for those files all on their own.

If you take a lot of pictures of your friends or family store those. I even go so far as to store them online as well. So I always have access to my pictures. This is just a very smart thing to do. You can never replace a picture or a certain smile, etc. If you are just as into your music the same thing absolutely applies to you. I know some music lovers who have literally spent hundreds of hours downloading music, etc. I would not be a happy camper to lose all those files.

The life span of these drives are good so you do not have to worry about data corruption or the drive going out unless you abuse it, etc. Western Digital eternal hard drives are a very good investment. So to save your piece of mind in the future, look into a good back up plan for the files stored on your computer’s hard drive today.

Andrew Johnson is an expert in computer consumables. If you would like more information about types of Western Digital external hard drives or are searching for a reputable computer retailer please visit http://www.ebuyer.com

So you’ve looked over gaming PCs and you’re ready to build one of your own. With so many choices out there, and such different price ranges for equipment, you can feel a little lost in the computer hardware shuffle. Don’t despair, because we’ve got a little help for you!

We’ve researched the components for you, and found which ones will offer the best cost to performance ratio available today. You won’t even need thousands of dollars! All you need is a CPU and video card (GPU) combination that can handle even the most intensive games and enough system RAM to pull it all together.

You need only consider three components to build s great gaming PCs: the CPU, the GPU and the system RAMThere are some astoundingly powerful CPUs on the market today. They carry truly astounding price tags, too. Most of those high-end processors won’t offer you the processing you need for gaming, though. At around $100 you can buy the Athlon II X4 620 by AMD and not have to worry if your CPU can handle your games. The Athlon II X4 620 provides fantastic game processing at a price that won’t hurt your bank account. Higher end processors like the Intel Core i7 965 or the AMD Sempron 140 are more powerful, and cost more, but they don’t handle gaming nearly as well.

Once you’ve found your CPU, it’s time to pair it with a video card (GPU) that will handle your game’s graphics. You can easily find GPUs that offer 2 GB of video RAM, but they don’t really provide better performance. A GPU with only 896 MB of video RAM can handle just about any game you throw it beautifully. You can spend about $130 on the Nvidia GeForce GTS 250, or $160 on the AMD Radeon 5750, and render stunning gaming environments for relatively little out-of-pocket cost.

You may have noticed that recently computers are carrying higher and higher quantities of system RAM, sometimes as much as 24 GB. With RAM prices as high as they are this is likely to be the most costly portion of all gaming PCs these days. Fortunately, you don’t need nearly that much.

Now it’s time to consider your system RAM. Most high performance computers these days support 12 GB, or even as much as 24 GB of RAM. You don’t need that much. The difference in performance becomes negligible once you’re past 4 GB. At the moment, though, this part of your gaming PC is likely to be the most expensive, as 4 GB RAM packs can cost as much as the CPU and GPU combined. Keep in mind, if you want more than 3. 5 GB of RAM you’ll need a 64-bit operating system. Windows XP x64 is probably the most stable OS you’ll find right now, but 64-bit versions of Windows Vista or Windows 7 aren’t bad investments either.

Finally, if online gaming is what you’re looking for, you’ll do fine with the Realtek Ethernet chipset included in your computer. Most gaming network cards cost a lot more and don’t really improve your connection, so don’t waste your money. Instead, invest in a good router and lightning-fast Internet service.

Andrew Johnson is an expert in electronic consumables. If you want further information about varieties of gaming PCs or are looking for a trusted computer retailer please visit http://www.ebuyer.com