For many years there was a particular reliable solution to store information on a laptop – with a disk drive (HDD). However, this type of technology is currently showing its age – hard disk drives are really loud and slow; they can be power–ravenous and frequently create a lot of heat for the duration of serious operations.
SSD drives, alternatively, are fast, take in a smaller amount power and tend to be far less hot. They provide an exciting new strategy to file accessibility and data storage and are years in front of HDDs with regard to file read/write speed, I/O efficiency and energy efficiency. Find out how HDDs stand up against the modern SSD drives.
1. Access Time
Resulting from a radical new method of disk drive general performance, SSD drives enable for noticeably faster data accessibility speeds. With an SSD, file access instances are much lower (as little as 0.1 millisecond).
The concept behind HDD drives goes back to 1954. And although it has been noticeably refined throughout the years, it’s still no match for the innovative technology powering SSD drives. Utilizing today’s HDD drives, the very best data file access speed you’re able to achieve may differ between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is really important for the general performance of any data file storage device. We have executed extensive assessments and have confirmed an SSD can manage no less than 6000 IO’s per second.
Hard drives offer reduced data file access rates due to the aging file storage space and access technique they are by making use of. Additionally they illustrate much reduced random I/O performance compared to SSD drives.
During GreatPages.net’s lab tests, HDD drives maintained around 400 IO operations per second.
SSD drives are created to include as fewer rotating components as is feasible. They utilize a comparable technique like the one employed in flash drives and are generally more trustworthy when compared with standard HDD drives.
SSDs have an typical failure rate of 0.5%.
HDD drives utilize spinning hard disks for holding and reading data – a technology going back to the 1950s. Along with disks magnetically suspended in the air, rotating at 7200 rpm, the possibilities of anything failing are generally increased.
The regular rate of failure of HDD drives varies amongst 2% and 5%.
4. Energy Conservation
SSDs lack moving components and need hardly any chilling power. In addition, they involve very little power to operate – tests have shown that they can be operated by a normal AA battery.
As a whole, SSDs take in between 2 and 5 watts.
HDD drives are well known for becoming noisy; they are liable to heating up and in case there are several disk drives inside a web server, you need one more cooling device exclusively for them.
All together, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
SSD drives allow for a lot quicker data access rates, that, consequently, enable the processor to finish data file queries much faster and then to return to different jobs.
The regular I/O hold out for SSD drives is only 1%.
In comparison with SSDs, HDDs permit slower data file accessibility speeds. The CPU must await the HDD to send back the inquired data, reserving its allocations for the time being.
The standard I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
The bulk of GreatPages.net’s new servers now use only SSD drives. Each of our tests have revealed that utilizing an SSD, the average service time for any I/O request whilst running a backup stays below 20 ms.
Throughout the very same lab tests using the same hosting server, now fitted out with HDDs, performance was much slower. Throughout the hosting server back–up process, the typical service time for I/O calls fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
It is possible to experience the real–world added benefits of using SSD drives each day. For instance, on a hosting server pre–loaded with SSD drives, a complete back up will take merely 6 hours.
On the flip side, with a hosting server with HDD drives, a similar backup will take three to four times as long to finish. An entire back up of any HDD–powered hosting server normally takes 20 to 24 hours.
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