Hard Drives Buying Guide — Part 1

Hard drives are the most critical component of computers, as the operating system, programs and data is stored and accessed from hard drives only. It is a non volatile storage device which contains several flat disks known as platters- stacked on a spindle. A read/write head uses electromagnetic signals and passes between the varied platters to read and write data. The digitally encoded data gets stored on these rapidly rotating platters.

The advancement in technology, broadband internet, frequent usage of computers and want to download more and more music and movies has escalated the need for high performance and high capacity hard drives. Although, hard drives are pretty cheap these days, the availability of varied rotational speed and high capacity hard drives definitely confuse the users. With the help of the following tips, you can make a more informed decision while buying a hard drive.

Consider your Needs
You must consider your PC requirements. If you access computer for basic net surfing or word processing, you need not spend an extravagant amount on high capacity hard drive. But, if you use PC for major applications like downloads and game playing, then you must go for a high capacity hard drive. You should also check your PC operating system. The hard drive that you choose should be compatible with the operating system. If the hard drive that you want is not compatible with your PC, then you might require additional software to help your operating system recognize the new hard drive. You must anticipate future requirements as well before buying a new hard drive.

Hard Drive Capacity
Hard drive capacity is the storage space used for saving files. The hard drive capacity for home computers is usually 40GB, while for heavy duty applications; one may need a hard drive of capacity 200 GB and above. It is recommended to buy a high capacity hard drive, so that if you decide to store music or movies in the future, you can save yourself from the hassle of upgrading the storage space of your hard drive. You can buy high capacity hard drives like 500G External Hard Drive for Scientific Atlanta 8300 HD PVR and Western Digital 500GB SATA2 Hard drive 16MB Cache from Blank Media.

Hard Drive Cache
Hard drive cache improves the PC's data retrieval speed. The cache basically acts like a buffer or temporary storage memory and stores pieces of data that the computer is most likely to use in the future, reducing the computer seek time to find the data. It is a thumb rule that the larger the buffer size better the computer's overall performance. The most popular options for buffer sizes are 8MB and 16 MB.

Buy Western Digital 500GB SATA2 Hard drive 16MB Cache, Seagate 320G-IDE Hard drive, 500G External Hard Drive for Scientific Atlanta 8300 HD PVR, and other hard drives offering high buffer size from Blank Media.

To know about Hard Drive Speed, Internal and External Hard Drives, and Hard Drive Interfaces, please read Hard Drives Buying Guide — Part 2 and make an informed decision.