For many years there seemed to be a particular reputable option to store data on a computer – using a hard disk drive (HDD). However, this kind of technology is already displaying its age – hard disks are really noisy and slow; they can be power–hungry and frequently produce a lot of heat during serious operations.
SSD drives, on the other hand, are fast, use up way less energy and tend to be far less hot. They provide an innovative solution to file access and storage and are years ahead of HDDs in terms of file read/write speed, I/O performance and then power efficacy. Figure out how HDDs stand up up against the newer SSD drives.
1. Access Time
SSD drives provide a brand–new & imaginative method to file safe–keeping using the utilization of electronic interfaces in lieu of just about any moving parts and rotating disks. This new technology is faster, enabling a 0.1 millisecond data file accessibility time.
HDD drives count on spinning disks for files storage applications. When a file is being accessed, you need to await the right disk to reach the correct place for the laser beam to view the file involved. This ends in an average access speed of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is important for the functionality of any file storage device. We’ve run extensive assessments and have identified that an SSD can manage a minimum of 6000 IO’s per second.
All through the exact same tests, the HDD drives turned out to be considerably slower, with simply 400 IO operations handled per second. While this might appear to be a great number, for people with a busy web server that contains plenty of well–liked sites, a sluggish hard disk drive may result in slow–loading sites.
The lack of moving elements and rotating disks in SSD drives, as well as the recent developments in electric interface technology have ended in a significantly less risky file storage device, with an normal failing rate of 0.5%.
Since we already have mentioned, HDD drives rely on spinning hard disks. And something that takes advantage of plenty of moving elements for extented time periods is prone to failure.
HDD drives’ typical rate of failure can vary somewhere between 2% and 5%.
4. Energy Conservation
SSD drives are far small compared to HDD drives as well as they do not have just about any moving parts at all. This means that they don’t create so much heat and need significantly less energy to operate and much less power for chilling purposes.
SSDs take in amongst 2 and 5 watts.
HDD drives are famous for becoming noisy. They demand more energy for chilling reasons. Within a hosting server which has a multitude of HDDs running all the time, you will need a great number of fans to keep them cooler – this will make them much less energy–efficient than SSD drives.
HDDs use up in between 6 and 15 watts.
5. CPU Power
SSD drives permit faster file accessibility speeds, that, in turn, encourage the processor to finish file calls considerably faster and to go back to other duties.
The average I/O wait for SSD drives is simply 1%.
HDD drives allow for slower access rates than SSDs do, which will result for the CPU required to wait around, whilst reserving allocations for the HDD to find and return the required data file.
The typical I/O wait for HDD drives is just about 7%.
6.Input/Output Request Times
It’s time for some real–world illustrations. We competed a complete platform backup with a web server only using SSDs for data storage reasons. During that operation, the average service time for an I/O request stayed under 20 ms.
Using the same hosting server, but this time furnished with HDDs, the effects were very different. The standard service time for an I/O query changed somewhere between 400 and 500 ms.
7. Backup Rates
You can actually check out the real–world added benefits of utilizing SSD drives day–to–day. By way of example, with a server loaded with SSD drives, a complete data backup can take simply 6 hours.
In the past, we have used largely HDD drives with our machines and we’re familiar with their effectiveness. On a hosting server designed with HDD drives, an entire hosting server back up will take about 20 to 24 hours.
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