For many years there was a particular trustworthy way for you to store information on a personal computer – using a disk drive (HDD). Then again, this sort of technology is presently displaying its age – hard drives are really noisy and sluggish; they can be power–hungry and frequently produce a lot of warmth during serious procedures.
SSD drives, alternatively, are fast, consume much less energy and are generally much cooler. They furnish an innovative method of file accessibility and data storage and are years ahead of HDDs when considering file read/write speed, I/O efficiency and also energy effectivity. Figure out how HDDs fare up against the newer SSD drives.
1. Access Time
Due to a revolutionary new way of disk drive functionality, SSD drives enable for much quicker data accessibility rates. With an SSD, file access times are much lower (as little as 0.1 millisecond).
HDD drives even now utilize the very same general data file access technology that’s initially created in the 1950s. Despite the fact that it was significantly advanced ever since, it’s slow when compared with what SSDs are offering to you. HDD drives’ data file access rate can vary somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
Due to the new radical file storage method adopted by SSDs, they furnish a lot quicker data access rates and better random I/O performance.
For the duration of our tests, all of the SSDs showed their capacity to work with no less than 6000 IO’s per second.
Hard drives present reduced data access rates due to the older file storage space and accessibility technology they are making use of. And in addition they display substantially slower random I/O performance as opposed to SSD drives.
Throughout our tests, HDD drives addressed on average 400 IO operations per second.
SSD drives do not have any sort of moving elements, meaning that there’s a lesser amount of machinery inside them. And the less actually moving parts there are, the fewer the likelihood of failing will be.
The typical rate of failing of any SSD drive is 0.5%.
With an HDD drive to function, it should spin a few metallic hard disks at more than 7200 rpm, keeping them magnetically stabilized in the air. They have a great number of moving parts, motors, magnets and also other tools crammed in a small location. Consequently it’s no surprise the regular rate of failure of an HDD drive varies between 2% and 5%.
4. Energy Conservation
SSD drives operate practically silently; they don’t generate surplus warmth; they don’t require additional chilling alternatives and take in considerably less energy.
Tests have demonstrated the normal electric power consumption of an SSD drive is between 2 and 5 watts.
HDD drives can be infamous for becoming loud; they’re at risk of getting too hot and if you have several hard drives in a single server, you have to have an additional a / c unit used only for them.
All together, HDDs use up somewhere between 6 and 15 watts.
5. CPU Power
As a result of SSD drives’ higher I/O effectiveness, the key hosting server CPU can process file demands a lot quicker and save time for other operations.
The average I/O delay for SSD drives is just 1%.
In comparison with SSDs, HDDs allow for reduced file access rates. The CPU will need to wait around for the HDD to come back the demanded data file, reserving its resources in the meanwhile.
The normal I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
The vast majority of our new servers are now using only SSD drives. All of our tests have established that with an SSD, the typical service time for any I/O request while running a backup continues to be under 20 ms.
Compared with SSD drives, HDDs deliver much reduced service times for input/output requests. Throughout a server backup, the regular service time for any I/O call can vary between 400 and 500 ms.
7. Backup Rates
You’re able to check out the real–world benefits of using SSD drives day–to–day. For example, on a web server furnished with SSD drives, a complete back up can take just 6 hours.
On the other hand, with a web server with HDD drives, the same back up may take 3 to 4 times as long to complete. A full back–up of any HDD–powered server usually takes 20 to 24 hours.
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