For many years there seemed to be one reliable path to keep information on a personal computer – employing a hard disk drive (HDD). However, this sort of technology is presently displaying its age – hard drives are loud and slow; they can be power–ravenous and frequently produce a lot of heat in the course of serious operations.

SSD drives, on the contrary, are really fast, use up a smaller amount power and are also far less hot. They furnish a completely new method of file access and storage and are years in advance of HDDs regarding file read/write speed, I/O operation and energy capability. Figure out how HDDs stand up against the modern SSD drives.

1. Access Time

Because of a revolutionary new method of disk drive functionality, SSD drives enable for noticeably faster data accessibility rates. Having an SSD, file access instances tend to be lower (just 0.1 millisecond).

The technology powering HDD drives dates back to 1954. And while it’s been considerably enhanced through the years, it’s even now can’t stand up to the ingenious technology driving SSD drives. Using today’s HDD drives, the top data file access speed you are able to attain may differ somewhere between 5 and 8 milliseconds.

2. Random I/O Performance

Because of the same radical method allowing for quicker access times, you can also appreciate much better I/O effectiveness with SSD drives. They are able to accomplish two times as many procedures during a given time in comparison to an HDD drive.

An SSD can deal with at least 6000 IO’s per second.

All through the same trials, the HDD drives confirmed to be much slower, with simply 400 IO operations addressed per second. While this might appear to be a significant number, when you have an overloaded web server that contains plenty of famous sites, a sluggish harddrive may result in slow–loading websites.

3. Reliability

The lack of moving parts and spinning disks in SSD drives, and also the recent improvements in electronic interface technology have led to a much safer file storage device, with an common failure rate of 0.5%.

Since we have previously documented, HDD drives depend on spinning hard disks. And anything that works by using lots of moving parts for lengthy intervals is at risk of failure.

HDD drives’ typical rate of failing can vary among 2% and 5%.

4. Energy Conservation

SSD drives are usually small compared to HDD drives as well as they don’t possess virtually any moving elements at all. This means that they don’t produce just as much heat and need considerably less power to function and fewer power for cooling purposes.

SSDs take in between 2 and 5 watts.

HDD drives are famous for staying loud. They want far more electric power for cooling purposes. On a web server that has a lot of HDDs running constantly, you will need a lot of fans to make sure they’re kept cool – this will make them much less energy–efficient than SSD drives.

HDDs use up somewhere between 6 and 15 watts.

5. CPU Power

Because of SSD drives’ higher I/O effectiveness, the leading web server CPU can work with data file demands a lot quicker and preserve time for other operations.

The regular I/O delay for SSD drives is only 1%.

In comparison to SSDs, HDDs enable not so quick data access rates. The CPU is going to wait around for the HDD to come back the demanded data, scheduling its allocations meanwhile.

The standard I/O delay for HDD drives is around 7%.

6.Input/Output Request Times

In real life, SSDs perform as perfectly as they did throughout our tests. We produced a complete platform data backup on one of our own production servers. During the backup process, the typical service time for I/O requests was indeed under 20 ms.

In comparison with SSD drives, HDDs feature substantially reduced service times for input/output demands. Throughout a server backup, the standard service time for an I/O call varies between 400 and 500 ms.

7. Backup Rates

You are able to experience the real–world benefits of utilizing SSD drives day by day. As an example, on a web server equipped with SSD drives, a complete backup can take just 6 hours.

We applied HDDs exclusively for several years and we have now pretty good familiarity with just how an HDD functions. Creating a backup for a web server designed with HDD drives is going to take around 20 to 24 hours.

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