For many years there was only one reliable path to store info on your personal computer – employing a hard drive (HDD). Nonetheless, this type of technology is actually expressing it’s age – hard drives are really noisy and sluggish; they’re power–ravenous and tend to create a great deal of warmth throughout serious operations.
SSD drives, on the other hand, are quick, use up significantly less energy and tend to be much cooler. They offer a completely new strategy to file accessibility and data storage and are years in advance of HDDs regarding file read/write speed, I/O operation and then energy capability. Figure out how HDDs fare against the more recent SSD drives.
1. Access Time
SSD drives present a brand–new & inventive approach to data safe–keeping using the use of electronic interfaces in place of any moving components and rotating disks. This completely new technology is quicker, making it possible for a 0.1 millisecond data file access time.
HDD drives depend on spinning disks for files storage purposes. When a file is being used, you will need to wait for the right disk to get to the right position for the laser beam to reach the file in question. This translates into a regular access speed of 5 to 8 milliseconds.
2. Random I/O Performance
Resulting from the brand new revolutionary file storage strategy embraced by SSDs, they offer quicker data access rates and speedier random I/O performance.
Throughout WebProHosting XYZ’s lab tests, all of the SSDs showed their ability to take care of at least 6000 IO’s per second.
All through the exact same lab tests, the HDD drives turned out to be considerably slower, with simply 400 IO operations addressed per second. Although this seems to be a large number, when you have a hectic web server that serves a great deal of well–liked web sites, a slow hard drive can result in slow–loading sites.
SSD drives are lacking any sort of rotating parts, which means there’s a lesser amount of machinery included. And the fewer actually moving components there are, the lower the possibilities of failing are going to be.
The common rate of failing of an SSD drive is 0.5%.
Since we have already observed, HDD drives depend on spinning disks. And something that employs lots of moving components for prolonged periods of time is prone to failure.
HDD drives’ average rate of failing varies among 2% and 5%.
4. Energy Conservation
SSD drives function nearly soundlessly; they don’t make extra heat; they don’t call for additional cooling down methods and consume way less energy.
Trials have demonstrated that the common power use of an SSD drive is amongst 2 and 5 watts.
HDD drives are famous for staying noisy. They want a lot more power for air conditioning applications. With a hosting server which has a range of HDDs running consistently, you will need a lot of fans to ensure that they’re cool – this makes them much less energy–efficient than SSD drives.
HDDs take in between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ better I/O efficiency, the main hosting server CPU can work with data queries faster and conserve time for different operations.
The average I/O delay for SSD drives is exactly 1%.
If you use an HDD, you need to spend extra time awaiting the outcome of your data query. Consequently the CPU will remain idle for more time, expecting 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 some real–world cases. We produced a detailed platform backup on a hosting server using only SSDs for data storage purposes. During that operation, the normal service time for any I/O demand kept beneath 20 ms.
Using the same server, but this time equipped with HDDs, the end results were very different. The average service time for any I/O call fluctuated in between 400 and 500 ms.
7. Backup Rates
Talking about back ups and SSDs – we’ve observed a great development in the backup rate as we switched to SSDs. Now, a normal hosting server backup can take merely 6 hours.
We made use of HDDs exclusively for a few years and we have now great expertise in how an HDD functions. Creating a backup for a web server equipped with HDD drives can take around 20 to 24 hours.
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