For decades there seemed to be only 1 efficient way to keep data on a pc – with a disk drive (HDD). However, this sort of technology is actually demonstrating its age – hard drives are actually loud and slow; they can be power–ravenous and tend to produce a great deal of heat for the duration of serious procedures.
SSD drives, however, are swift, use up far less power and are generally far less hot. They provide an innovative method of file access and storage and are years in advance of HDDs regarding file read/write speed, I/O performance and energy capability. Find out how HDDs fare against the modern SSD drives.
1. Access Time
A result of a revolutionary new way of disk drive functionality, SSD drives enable for much quicker data accessibility speeds. With an SSD, file access instances tend to be lower (only 0.1 millisecond).
HDD drives depend on rotating disks for data storage uses. Every time a file will be used, you have to wait for the right disk to reach the appropriate position for the laser beam to reach the file involved. This leads to an average access speed of 5 to 8 milliseconds.
2. Random I/O Performance
Because of the unique radical file storage solution embraced by SSDs, they give you swifter data access rates and quicker random I/O performance.
For the duration of our tests, all SSDs demonstrated their ability to work with at the very least 6000 IO’s per second.
With an HDD drive, the I/O performance gradually improves the more you employ the hard drive. Nevertheless, once it actually reaches a particular restriction, it can’t proceed faster. And because of the now–old concept, that I/O cap is a lot below what you could receive having an SSD.
HDD can only go so far as 400 IO’s per second.
SSD drives are lacking just about any moving components, which means there’s far less machinery within them. And the fewer literally moving components you will discover, the fewer the prospect of failing will be.
The average rate of failure of any SSD drive is 0.5%.
HDD drives employ rotating hard disks for saving and reading data – a technology going back to the 1950s. With disks magnetically hanging in the air, spinning at 7200 rpm, the chances of something going wrong are much higher.
The common rate of failing of HDD drives ranges amongst 2% and 5%.
4. Energy Conservation
SSD drives are much smaller compared to HDD drives and they don’t have virtually any moving parts at all. It means that they don’t produce just as much heat and require less power to operate and fewer energy for cooling down reasons.
SSDs use up amongst 2 and 5 watts.
HDD drives can be known for becoming loud; they are prone to getting too hot and whenever there are several disk drives inside a web server, you have to have an additional air conditioning unit just for them.
In general, HDDs use up somewhere between 6 and 15 watts.
5. CPU Power
The quicker the data access speed is, the quicker the file requests will likely be delt with. It means that the CPU do not need to hold assets expecting the SSD to reply back.
The standard I/O delay for SSD drives is just 1%.
HDD drives support slower access speeds when compared to SSDs do, resulting for the CPU being required to delay, although saving resources for your HDD to uncover and give back the required data file.
The normal I/O wait for HDD drives is just about 7%.
6.Input/Output Request Times
The vast majority of our completely new servers are now using merely SSD drives. Each of our tests have shown that with an SSD, the typical service time for any I/O request while building a backup continues to be below 20 ms.
All through the identical tests sticking with the same web server, now suited out utilizing HDDs, general performance was much sluggish. During the web server backup process, the common service time for I/O calls ranged somewhere between 400 and 500 ms.
7. Backup Rates
You can easily notice the real–world potential benefits to using SSD drives on a regular basis. As an example, on a server furnished with SSD drives, a complete back up can take simply 6 hours.
Over the years, we have made use of principally HDD drives on our machines and we are knowledgeable of their effectiveness. On a server equipped with HDD drives, a complete hosting server back up usually takes about 20 to 24 hours.
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