For years there seemed to be one reliable option to keep data on your personal computer – having a hard drive (HDD). On the other hand, this kind of technology is currently showing it’s age – hard disk drives are really noisy and sluggish; they can be power–hungry and have a tendency to generate lots of warmth during intense operations.
SSD drives, in contrast, are really fast, consume a smaller amount energy and are much cooler. They furnish a whole new strategy to file access and data storage and are years in front of HDDs with regards to file read/write speed, I/O efficiency and also energy effectivity. Find out how HDDs stand up against the modern SSD drives.
1. Access Time
SSD drives give a completely new & impressive approach to file storage using the utilization of electronic interfaces rather than just about any moving components and rotating disks. This new technology is quicker, enabling a 0.1 millisecond data access time.
HDD drives even now makes use of the very same basic file access technology that’s originally created in the 1950s. Though it has been vastly advanced after that, it’s sluggish in comparison with what SSDs are offering to you. HDD drives’ data access speed varies in between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the same revolutionary method which allows for a lot faster access times, you too can get pleasure from far better I/O efficiency with SSD drives. They are able to perform two times as many operations within a given time when compared to an HDD drive.
An SSD can deal with at the very least 6000 IO’s per second.
Hard drives feature reduced file access speeds due to aging file storage space and access concept they are employing. Additionally they illustrate considerably reduced random I/O performance compared with SSD drives.
During our trials, HDD drives managed typically 400 IO operations per second.
SSD drives are created to have as less moving elements as is practical. They utilize a similar concept to the one used in flash drives and are generally significantly more dependable compared to conventional HDD drives.
SSDs offer an average failure rate of 0.5%.
HDD drives utilize spinning hard disks for storing and reading through files – a concept dating back to the 1950s. Along with disks magnetically suspended in mid–air, spinning at 7200 rpm, the prospect of one thing going wrong are generally higher.
The normal rate of failing of HDD drives ranges between 2% and 5%.
4. Energy Conservation
SSDs are lacking moving components and need minimal chilling energy. In addition they need very little electricity to perform – tests have demostrated that they’ll be powered by a standard AA battery.
As a whole, SSDs take in amongst 2 and 5 watts.
HDD drives are famous for being noisy. They need far more electricity for air conditioning applications. Within a web server that has several HDDs running at all times, you will need a great number of fans to make sure they’re cooler – this will make them far less energy–effective than SSD drives.
HDDs use up between 6 and 15 watts.
5. CPU Power
The speedier the data file accessibility rate is, the faster the file requests can be processed. Consequently the CPU do not need to save allocations waiting for the SSD to respond back.
The regular I/O wait for SSD drives is actually 1%.
When using an HDD, you have to devote more time awaiting the results of one’s data call. Because of this the CPU will be idle for much more time, waiting around for the HDD to react.
The common I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
The vast majority of our brand–new web servers moved to just SSD drives. Each of our lab tests have revealed that having an SSD, the common service time for any I/O request whilst building a backup stays under 20 ms.
During the exact same trials with the exact same server, now equipped out utilizing HDDs, efficiency was much reduced. Throughout the hosting server back–up procedure, the normal service time for I/O calls varied between 400 and 500 ms.
7. Backup Rates
You are able to check out the real–world advantages of having SSD drives day–to–day. As an example, with a web server equipped with SSD drives, a complete backup will take only 6 hours.
In the past, we’ve utilized predominantly HDD drives on our servers and we are knowledgeable of their efficiency. With a server pre–loaded with HDD drives, a full server data backup often takes about 20 to 24 hours.
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