For years there seemed to be only 1 reliable solution to keep info on a computer – having a disk drive (HDD). Having said that, this sort of technology is by now demonstrating its age – hard disks are noisy and slow; they are power–hungry and are likely to generate quite a lot of warmth during serious operations.
SSD drives, however, are fast, take in significantly less power and are also far less hot. They furnish a whole new approach to file access and data storage and are years in front of HDDs regarding file read/write speed, I/O effectiveness as well as energy effectivity. Observe how HDDs fare up against the newer SSD drives.
1. Access Time
SSD drives provide a brand new & ground breaking approach to data storage using the use of electronic interfaces in lieu of just about any moving components and spinning disks. This new technology is considerably quicker, permitting a 0.1 millisecond data accessibility time.
The concept driving HDD drives goes all the way back to 1954. Even though it’s been substantially polished over time, it’s nevertheless can’t stand up to the ground breaking technology driving SSD drives. With today’s HDD drives, the best data access speed it is possible to achieve can vary in between 5 and 8 milliseconds.
2. Random I/O Performance
With thanks to the exact same revolutionary approach which allows for speedier access times, you may as well experience greater I/O performance with SSD drives. They are able to perform double as many procedures throughout a specific time as compared with an HDD drive.
An SSD can handle at the very least 6000 IO’s per second.
Over the very same tests, the HDD drives turned out to be much slower, with simply 400 IO operations maintained per second. While this looks like a significant number, for people with a hectic web server that hosts a great deal of famous web sites, a sluggish hard drive may lead to slow–loading websites.
The absence of moving parts and spinning disks within SSD drives, as well as the latest developments in electric interface technology have resulted in a significantly less risky file storage device, having an common failing rate of 0.5%.
As we have previously noted, HDD drives make use of spinning hard disks. And anything that utilizes numerous moving elements for lengthy periods of time is at risk of failing.
HDD drives’ normal rate of failing ranges among 2% and 5%.
4. Energy Conservation
SSD drives are much smaller compared to HDD drives as well as they don’t have just about any moving components whatsoever. Because of this they don’t produce as much heat and require considerably less energy to operate and fewer power for chilling reasons.
SSDs use up somewhere between 2 and 5 watts.
HDD drives are famous for becoming noisy. They want extra electric power for cooling down reasons. With a server which has several HDDs running at all times, you need a good deal of fans to make sure they’re kept cool – this makes them far less energy–effective than SSD drives.
HDDs consume in between 6 and 15 watts.
5. CPU Power
The speedier the data accessibility rate is, the quicker the data file demands can be processed. This means that the CPU won’t have to arrange assets waiting for the SSD to reply back.
The standard I/O delay for SSD drives is merely 1%.
When compared to SSDs, HDDs permit not so quick file access speeds. The CPU will be required to wait around for the HDD to come back the inquired file, saving its allocations meanwhile.
The regular I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
In real life, SSDs conduct as admirably as they managed for the duration of the checks. We produced an entire system backup using one of our own production servers. Through the backup process, the typical service time for any I/O queries was indeed below 20 ms.
Compared with SSD drives, HDDs provide substantially sluggish service times for input/output calls. Throughout a web server backup, the common service time for an I/O query ranges somewhere between 400 and 500 ms.
7. Backup Rates
Referring to back ups and SSDs – we have noticed a great advancement with the backup speed as we moved to SSDs. Currently, a typical web server data backup takes only 6 hours.
Over time, we have utilized primarily HDD drives with our machines and we are familiar with their overall performance. With a web server pre–loaded with HDD drives, a full hosting server back up may take around 20 to 24 hours.
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