For decades there was a single reliable solution to store information on a personal computer – working with a hard drive (HDD). Nonetheless, this sort of technology is actually demonstrating its age – hard disk drives are really loud and sluggish; they’re power–ravenous and have a tendency to create quite a lot of heat in the course of serious operations.
SSD drives, on the contrary, are swift, consume much less energy and are far less hot. They provide a completely new solution to file accessibility and data storage and are years in advance of HDDs regarding file read/write speed, I/O efficiency and energy efficacy. Figure out how HDDs stand up against the more recent SSD drives.
1. Access Time
Because of a radical new approach to disk drive functionality, SSD drives enable for considerably faster data file accessibility rates. Having an SSD, file access instances are much lower (as low as 0.1 millisecond).
HDD drives rely on rotating disks for files storage uses. When a file will be used, you need to wait around for the correct disk to reach the appropriate position for the laser to view the data file in question. This results in a regular access rate of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is crucial for the performance of a file storage device. We’ve carried out substantial tests and have established an SSD can deal with no less than 6000 IO’s per second.
Hard drives present reduced data access rates as a result of aging file storage space and access concept they’re by making use of. In addition, they display much slower random I/O performance when held up against SSD drives.
For the duration of our lab tests, HDD drives maintained an average of 400 IO operations per second.
The lack of moving elements and spinning disks within SSD drives, and the recent advances in electrical interface technology have resulted in a substantially safer data storage device, having an common failure rate of 0.5%.
Since we have already documented, HDD drives rely on rotating disks. And something that utilizes lots of moving parts for extented time frames is prone to failure.
HDD drives’ regular rate of failure varies somewhere between 2% and 5%.
4. Energy Conservation
SSD drives are usually smaller than HDD drives and they don’t have any moving parts whatsoever. This means that they don’t generate so much heat and need a lot less energy to function and less power for cooling purposes.
SSDs take in somewhere between 2 and 5 watts.
From the minute they have been created, HDDs have always been quite electrical power–heavy products. So when you have a server with plenty of HDD drives, this can boost the month–to–month power bill.
Typically, HDDs consume in between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ greater I/O efficiency, the leading web server CPU will be able to process data calls a lot quicker and save time for different functions.
The normal I/O wait for SSD drives is 1%.
Compared with SSDs, HDDs enable reduced data accessibility speeds. The CPU will be required to await the HDD to return the required data, saving its assets for the time being.
The standard I/O delay for HDD drives is approximately 7%.
6.Input/Output Request Times
It’s time for several real–world cases. We, at Regyster.com, produced a full system backup with a server using only SSDs for file storage uses. In that operation, the common service time for any I/O demand remained below 20 ms.
Weighed against SSD drives, HDDs feature significantly slower service times for input/output demands. Throughout a web server backup, the regular service time for any I/O call varies between 400 and 500 ms.
7. Backup Rates
You can easily notice the real–world great things about having SSD drives daily. For instance, with a web server furnished with SSD drives, a complete backup will take simply 6 hours.
On the flip side, with a web server with HDD drives, an identical data backup will take three to four times as long in order to complete. A full back–up of any HDD–driven web server typically takes 20 to 24 hours.
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