For years there was a single trustworthy method to keep information on a pc – having a hard drive (HDD). Having said that, this type of technology is presently displaying its age – hard drives are actually loud and slow; they are power–hungry and have a tendency to produce a great deal of warmth throughout intense operations.
SSD drives, on the other hand, are extremely fast, use up a lesser amount of power and they are far less hot. They feature an innovative method of file accessibility and data storage and are years ahead of HDDs with regard to file read/write speed, I/O efficiency as well as power efficacy. Find out how HDDs fare up against the more recent SSD drives.
1. Access Time
SSD drives offer a completely new & progressive way of data safe–keeping using the usage of electronic interfaces as an alternative to any sort of moving components and revolving disks. This brand–new technology is quicker, making it possible for a 0.1 millisecond data file accessibility time.
HDD drives rely on rotating disks for files storage applications. Every time a file will be accessed, you will have to wait around for the correct disk to get to the correct place for the laser to reach the data file you want. This leads to a standard access rate of 5 to 8 milliseconds.
2. Random I/O Performance
On account of the new radical data storage strategy embraced by SSDs, they have a lot quicker file access speeds and speedier random I/O performance.
In the course of DivX Hosting’s trials, all SSDs confirmed their capacity to take care of no less than 6000 IO’s per second.
Having an HDD drive, the I/O performance progressively enhances the more you employ the hard drive. Even so, right after it extends to a certain limitation, it can’t proceed faster. And due to the now–old concept, that I/O restriction is a lot below what you could get with a SSD.
HDD are only able to go so far as 400 IO’s per second.
The absence of moving elements and spinning disks in SSD drives, as well as the latest developments in electronic interface technology have ended in a much better file storage device, having a common failing rate of 0.5%.
Since we have previously mentioned, HDD drives rely on spinning hard disks. And anything that works by using a large number of moving elements for prolonged time periods is susceptible to failure.
HDD drives’ common rate of failure varies among 2% and 5%.
4. Energy Conservation
SSDs lack moving elements and need minimal chilling power. In addition, they call for not much energy to perform – tests have established they can be operated by a common AA battery.
As a whole, SSDs take in amongst 2 and 5 watts.
As soon as they were created, HDDs have always been really electrical power–greedy equipment. So when you have a web server with lots of HDD drives, this will boost the regular monthly power bill.
On average, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
SSD drives provide for faster data file access speeds, which generally, consequently, allow the processor to perform data queries much faster and after that to return to different jobs.
The regular I/O wait for SSD drives is only 1%.
HDD drives support reduced access rates when compared to SSDs do, which will result in the CPU being forced to hang on, although reserving assets for the HDD to find and return the inquired data file.
The normal I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
The vast majority of DivX Hosting’s completely new web servers moved to solely SSD drives. Our personal tests have demostrated that using an SSD, the average service time for any I/O request whilst building a backup remains under 20 ms.
With the same hosting server, however this time furnished with HDDs, the results were different. The common service time for any I/O query fluctuated between 400 and 500 ms.
7. Backup Rates
Another real–life advancement is the speed with which the data backup was made. With SSDs, a server backup today requires no more than 6 hours implementing DivX Hosting’s web server–designed software solutions.
Through the years, we have utilized mostly HDD drives with our web servers and we’re knowledgeable of their performance. With a server pre–loaded with HDD drives, an entire server backup often takes about 20 to 24 hours.
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