For decades there was a particular reputable method to store info on your computer – employing a disk drive (HDD). Nonetheless, this sort of technology is presently expressing its age – hard drives are really loud and slow; they can be power–ravenous and tend to generate a great deal of heat during intense procedures.
SSD drives, however, are swift, use up significantly less power and are also far less hot. They feature a brand new approach to file access and storage and are years ahead of HDDs in terms of file read/write speed, I/O operation as well as energy effectivity. Find out how HDDs fare up against the more recent SSD drives.
1. Access Time
Resulting from a radical new approach to disk drive performance, SSD drives permit for faster data file accessibility rates. With an SSD, data accessibility times are much lower (under 0.1 millisecond).
The concept driving HDD drives times all the way to 1954. And even though it’s been substantially enhanced over time, it’s even now can’t stand up to the ingenious ideas behind SSD drives. Having today’s HDD drives, the top data access speed you’re able to attain can vary in between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is crucial for the efficiency of a file storage device. We’ve executed thorough assessments and have identified an SSD can handle a minimum of 6000 IO’s per second.
With an HDD drive, the I/O performance gradually raises the more you employ the disk drive. Nonetheless, just after it actually reaches a particular limit, it can’t go quicker. And because of the now–old concept, that I/O limit is much less than what you can get having an SSD.
HDD can only go as far as 400 IO’s per second.
SSD drives are lacking any kind of moving parts, meaning that there is significantly less machinery in them. And the fewer actually moving elements you can find, the lower the possibilities of failing will be.
The average rate of failing of any SSD drive is 0.5%.
As we have already documented, HDD drives make use of spinning hard disks. And something that works by using numerous moving elements for prolonged time frames is more likely to failure.
HDD drives’ common rate of failure varies somewhere between 2% and 5%.
4. Energy Conservation
SSD drives are considerably smaller than HDD drives and also they don’t possess just about any moving components whatsoever. It means that they don’t make so much heat and require considerably less power to function and much less power for cooling reasons.
SSDs consume amongst 2 and 5 watts.
From the moment they were designed, HDDs have invariably been quite power–heavy products. Then when you have a server with multiple HDD drives, this will likely raise the regular electricity bill.
Normally, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
SSD drives permit quicker data file access rates, that, consequently, allow the processor to accomplish data file queries faster and after that to go back to additional duties.
The typical I/O wait for SSD drives is barely 1%.
When you use an HDD, you’ll have to devote more time looking forward to the results of one’s data request. Because of this the CPU will be idle for more time, looking forward to the HDD to reply.
The typical I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
It’s about time for several real–world examples. We ran a detailed platform backup on a server only using SSDs for file storage uses. During that procedure, the normal service time for an I/O call kept below 20 ms.
In comparison to SSD drives, HDDs feature noticeably slower service times for I/O calls. During a web server backup, the regular service time for any I/O call varies somewhere between 400 and 500 ms.
7. Backup Rates
You can feel the real–world great things about utilizing SSD drives day after day. As an example, with a hosting server equipped with SSD drives, a complete data backup will take just 6 hours.
On the other hand, with a hosting server with HDD drives, an identical back up usually takes three to four times as long in order to complete. A complete back up of an HDD–powered hosting server usually takes 20 to 24 hours.
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