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Hard disks drives

 

The PC has made rapid advancement and hard disks drive have improved steadily. Also the price of the hard disks drive continues to decline. The hard disks drive capacity is measured in gigabytes (GB). Today's applications be it games, multimedia, Internet downloads or today's latest Operating Systems, all require fast, reliable and storage solutions. So choosing a good hard disks drive is very important that you don't have to plug in another hard disks drive in the nearby future. So let's get on to some buying tips. You can see the huge range of hard disks drives from our WORLD TRUSTED Merchant.

You will need a big drive if you plan on using a large range of software.

Games especially take up a great deal of space. If you plan on installing a few of the latest games then get a hard disks drive of at least 20 gigabytes.

The speed of your hard disks drive is also important. A slow hard disks drive takes a long time to load the Operating System on start up. In fact the loading time of every program you use will be slow. The capacity you want totally depends on you. You can generally get a good idea of a drives speed by simply looking at three specifications.

1. Disk Interface Speeds
This is the transfer speed of your hard disks drive. Disk Interface Speed is the speed at which the hard disks drive communicates with the other components of the motherboard.

Ultra-320 SCSI 320 MB/sec
Serial ATA 187 MB/sec
Ultra-160 SCSI 160 MB/sec
ATA/133 133 MB/sec
ATA/100 100 MB/sec
Ultra-2 Wide SCSI 80 MB/sec
ATA/66 66 MB/sec
Ultra Wide SCSI 40 MB/sec
ATA/33 33 MB/sec


The interface speeds are comparable, with SCSI being generally faster, but those speeds are only the theoretical speeds because the real speed of the hard disks drive is concerned only with the rotational speed(you will learn about it later in this page). The speed that a disk can actually transfer bytes on a sustained basis is lower, maybe 45 MB/sec for current disks. Also, some chipsets have problems with high transfer rates too.

Besides, is the hard disks drive speed even that important? If your system has enough memory, you don't need real fast disk access. Furthermore, there are the mechanical issues - heat, noise, and reliability. I actually prefer disks that spin slower, because in general they run cooler and quieter and I think that makes them less likely to fail. While the current standard seems to be 7200 RPM and you can get high-end disks that spin at 15000 RPM or even faster, I prefer 5400 RPM disks from a year or so ago. Given that, the latest ultra-high-speed interfaces are not necessary - for 5400 RPM disks, anything faster than ATA/33 is recommended. And actually, if you look at the specs for 7200 RPM disks, you'll find that their maximum sustained transfer rates either fit into or barely exceed ATA/66. So don't bother much about disk interface speed, just look for a hard disks drive which has ATA/66 or more of it. So if the interface speed isn't actually that important, we're left with price, and prices on EIDE disks are much lower than the equivalent SCSI drives

 

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2.RPM 5400/7200/10,000/15,000 (platter rotation speed)

This is the speed at which the metal disks inside the hard disks drive rotate. Faster rotation speeds make for much faster drives. 5400 RPM is the most common speed today but the numbers of 7200 RPM drives are slowly increasing.

Get a 7200 RPM drive if you will be working with big files or if you don't like waiting for things to load. The drive above would be great for heavy duty picture editing, music production or audio and video encoding. This should be basis your decision. Faster the drive, better the performance. My PC has a 40 GB 7200 hard disks drive of Seagate brand.
There are hard disks drive having 10000 or 15000 rpm rotational speeds but you should not even think about them because they are made only for Server Computers and are much expensive.

 

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3.Brands

You should look for hard disks drive of Seagate and IBM brands but Maxtor and other brands would give the same performance. But the main thing to look for here is which brand gives the best warranty in case something goes wrong. If the price of same specification hard disks drive have huge price difference and the warranty period also is good then consider buying the lesser priced hard disks drive.

 

Quick find for hard disks drive

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Medium Price

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Low performance, you will'nt notice sluggish performance because the speed is high enough.

Good performance, for those who want a little more capacity hard disks drive.

Very good performace you will notice the speed differance, with a capacity of storing many big softwares and games.

Look For

Look For

Look For

A hard disks drive with 10 GB of space and 5400 RPM rotational speed.

A hard disks drive with 20 GB of space and 5400 RPM rotational speed.

A hard disks drive with 40 GB of space and 7200 RPM rotational speed.

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