A Guide to Buying the Right - And Cheap - Hard Disk Drive
Review
A hard disk drive is the biggest component of storehouse in a computer. It is where all of the data in a computer, along with the operating system, applications and all user files (movies, music, photos etc) are constantly stored.
Over time, disk drives have evolved from being a few megabytes in size to over 1.5 terabytes. As is usually the case with practically all components of a computer system, this evolution has been accompanied with a steep decrease in price and a vast array of options to select from.
Western Hard Drive
Some of the key characteristics to look for while researching harddrives include:
A Guide to Buying the Right - And Cheap - Hard Disk Drive
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Size - this is usually the most leading factor while choosing a harddrive. Sizes range from 40Gb (gigabytes) to over 1.5 Tb (terabytes).
Disk speed - the speed of data entrance is carefully by, amongst other things, the disk speed. The higher the speed, the faster data is transferred. Disk speeds are measured in Rpm (Revolutions Per Minute) and can range from 5400 - 12000 Rpm, with 5400 and 7200 being the ordinarily used speeds.
Internal/External - hard disk drives are either encased in the computer (desktop/laptop) or they are used externally. At the very minimum, every computer has an internal harddrive that's used to store the operating system, applications and basic data. This drive can be augmented with an external, conveyable drive as well to growth storehouse capacity.
Interface - this determines how the harddrive connects to the computer. Internal harddrives practically all the time have a Sata interface while external drives have more options for interfacing - Usb, FireWire and eSata (External Sata).
Given these parameters, the decision to buy a hard disk drive should all the time be evaluated from a usage standpoint: how is this drive going to be used?
For a computer that's primarily used for emailing/internet surfing and storing an midpoint amount of data (photos, music, games etc), a basic, cheap, entry-level internal hard disk drive is more than sufficient. This would typically be something in the range of 120-140Gb with a disk speed of 5400 Rpm and a Sata interface. If, over time, storehouse needs increase, an external Usb/FireWire-based harddrive would be an perfect way to supplement existing drive space.
One stunning aspect about hard disk drives is that prices have declined sharply over time, and continue to do so. Just in the past 5 years, the midpoint price per Gb has fallen from about .15/Gb to as low as .15/Gb. With prices so low, consumers don't have much motivation to buy a harddrive, with, say, a capacity of 40Gb, when they can spend a few extra dollars and get practically quadruple that capacity.
Some of the popular manufacturers of harddrives include Seagate, Western Digital, Hitachi, Toshiba, Fujitsu etc. Each of these manufacturers has drives ready in every price segment and it's easy to find a cheap, reliable and high-quality drive.
Online retailers are an perfect place to start searching for deals on harddrives that are grand for every funds and requirement. When buying a harddrive, it's usually economy to buy from a retailer than from the drive manufacturer. The same warranty is offered but with a significantly lower price and, frequently, with perks like free shipping.
A Guide to Buying the Right - And Cheap - Hard Disk Drive
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