For years there seemed to be a particular dependable way for you to store information on your computer – working with a hard disk drive (HDD). Having said that, this kind of technology is currently showing it’s age – hard disk drives are noisy and slow; they can be power–hungry and tend to produce a lot of heat in the course of intense operations.
SSD drives, on the contrary, are extremely fast, use up way less energy and they are far less hot. They provide an innovative approach to file access and storage and are years in front of HDDs with regards to file read/write speed, I/O effectiveness as well as power efficacy. Find out how HDDs fare up against the more recent SSD drives.
1. Access Time
Resulting from a radical new method of disk drive functionality, SSD drives enable for faster data file accessibility rates. Having an SSD, data access instances tend to be lower (only 0.1 millisecond).
The concept powering HDD drives times all the way to 1954. Even though it has been noticeably enhanced as time passes, it’s nonetheless no match for the imaginative concept powering SSD drives. Through today’s HDD drives, the best file access rate you are able to reach differs between 5 and 8 milliseconds.
2. Random I/O Performance
Caused by the completely new significant data file storage strategy shared by SSDs, they supply better data access speeds and better random I/O performance.
In the course of our lab tests, all of the SSDs showed their capability to handle at the least 6000 IO’s per second.
Hard drives offer slower file access rates because of the older file storage and access technology they are using. Additionally they show much sluggish random I/O performance in comparison with SSD drives.
During our tests, HDD drives maintained typically 400 IO operations per second.
The absence of moving elements and rotating disks within SSD drives, and also the current improvements in electrical interface technology have led to a significantly better data file storage device, with a common failure rate of 0.5%.
HDD drives use rotating disks for keeping and reading through files – a technology going back to the 1950s. And with disks magnetically hanging in mid–air, spinning at 7200 rpm, the prospect of something failing are generally increased.
The common rate of failing of HDD drives ranges between 2% and 5%.
4. Energy Conservation
SSDs are lacking moving components and require hardly any cooling power. Additionally, they require very little electricity to perform – tests have established they can be powered by a normal AA battery.
As a whole, SSDs consume amongst 2 and 5 watts.
HDD drives can be well known for getting loud; they’re liable to overheating and in case you have several disk drives in a single server, you will need an extra a / c unit used only for them.
All together, HDDs take in somewhere between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ greater I/O functionality, the leading web server CPU will be able to process data requests faster and conserve time for additional procedures.
The common I/O wait for SSD drives is only 1%.
When you use an HDD, you have to dedicate additional time waiting for the outcomes of one’s file call. As a result the CPU will continue to be idle for more time, waiting for the HDD to reply.
The standard I/O delay for HDD drives is around 7%.
6.Input/Output Request Times
It’s about time for some real–world illustrations. We produced a full platform backup with a hosting server only using SSDs for file storage uses. In that operation, the common service time for any I/O request kept beneath 20 ms.
Compared with SSD drives, HDDs provide significantly sluggish service rates for I/O calls. Throughout a web server backup, the standard service time for any I/O query ranges somewhere between 400 and 500 ms.
7. Backup Rates
Another real–life development will be the rate at which the data backup was developed. With SSDs, a web server back–up now requires less than 6 hours implementing our web server–enhanced software.
We employed HDDs exclusively for several years and we have got very good understanding of exactly how an HDD runs. Backing up a server equipped with HDD drives will take about 20 to 24 hours.
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