For those who have a web site or maybe an application, rate of operation is critical. The faster your site functions and then the quicker your web applications work, the better for everyone. Given that a site is simply a number of data files that communicate with each other, the devices that keep and work with these data files play a crucial role in website operation.

Hard disk drives, or HDDs, have been, until the past several years, the most trustworthy products for storing data. Having said that, lately solid–state drives, or SSDs, are already becoming more popular. Look into our evaluation chart to check out if HDDs or SSDs are more suitable for you.

1. Access Time

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SSD drives give a brand–new & ground breaking approach to data safe–keeping according to the use of electronic interfaces in lieu of any kind of moving components and spinning disks. This completely new technology is much quicker, permitting a 0.1 millisecond data file accessibility time.

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HDD drives count on spinning disks for files storage reasons. Each time a file is being utilized, you will need to await the right disk to reach the right place for the laser to view the file you want. This ends in a regular access rate of 5 to 8 milliseconds.

2. Random I/O Performance

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Caused by the new radical data storage method adopted by SSDs, they give you faster data access rates and speedier random I/O performance.

In the course of our trials, all of the SSDs demonstrated their capability to handle at the least 6000 IO’s per second.

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Throughout the exact same tests, the HDD drives turned out to be significantly slower, with simply 400 IO operations managed per second. Although this may seem like a significant number, for those who have an overloaded web server that serves plenty of famous websites, a sluggish disk drive can result in slow–loading web sites.

3. Reliability

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SSD drives are meant to include as less moving components as is possible. They utilize an identical technique to the one utilized in flash drives and are generally much more trustworthy compared to standard HDD drives.

SSDs provide an normal failure rate of 0.5%.

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HDD drives make use of spinning disks for storing and browsing data – a technology dating back to the 1950s. Along with disks magnetically hanging in the air, spinning at 7200 rpm, the likelihood of something failing are much bigger.

The common rate of failing of HDD drives varies amongst 2% and 5%.

4. Energy Conservation

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SSD drives operate practically soundlessly; they don’t produce excessive warmth; they don’t require additional cooling down options and take in less power.

Lab tests have shown the typical electricity intake of an SSD drive is amongst 2 and 5 watts.

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HDD drives are renowned for being noisy. They demand more electric power for air conditioning purposes. Within a web server which has lots of HDDs running continuously, you will need a good deal of fans to ensure they are kept cool – this will make them far less energy–effective than SSD drives.

HDDs use up somewhere between 6 and 15 watts.

5. CPU Power

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The speedier the file access rate is, the swifter the file demands can be processed. As a result the CPU do not need to reserve assets waiting around for the SSD to reply back.

The standard I/O delay for SSD drives is barely 1%.

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When you use an HDD, you’ll have to dedicate more time looking forward to the results of your file query. As a result the CPU will stay idle for further time, awaiting the HDD to react.

The average I/O wait for HDD drives is approximately 7%.

6.Input/Output Request Times

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The majority of our brand–new web servers are now using exclusively SSD drives. Our very own lab tests have shown that having an SSD, the normal service time for any I/O request whilst running a backup remains below 20 ms.

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With the same server, however, this time loaded with HDDs, the effects were different. The normal service time for any I/O request changed in between 400 and 500 ms.

7. Backup Rates

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Referring to backups and SSDs – we have discovered a substantual improvement with the data backup rate since we transferred to SSDs. Right now, a usual web server backup can take solely 6 hours.

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Alternatively, with a server with HDD drives, the same back–up will take three or four times as long to finish. A complete back up of an HDD–powered server usually takes 20 to 24 hours.

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