For decades there was only one dependable way for you to store data on your computer – by using a hard drive (HDD). Nonetheless, this kind of technology is actually showing its age – hard disk drives are noisy and slow; they are power–hungry and tend to generate a great deal of warmth throughout serious procedures.
SSD drives, on the contrary, are fast, take in a lesser amount of power and are far less hot. They furnish a new strategy to file accessibility and storage and are years ahead of HDDs with regards to file read/write speed, I/O operation and also energy efficiency. Figure out how HDDs stand up against the more recent SSD drives.
1. Access Time
Due to a revolutionary new solution to disk drive performance, SSD drives allow for considerably quicker data accessibility speeds. With an SSD, data file access instances tend to be lower (only 0.1 millisecond).
HDD drives count on spinning disks for files storage uses. Each time a file is being used, you need to wait around for the appropriate disk to get to the correct position for the laser beam to reach the data file in question. This translates into a typical access speed of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is extremely important for the overall performance of a data storage device. We’ve executed substantial lab tests and have established that an SSD can manage a minimum of 6000 IO’s per second.
Hard drives present reduced data file access speeds due to older file storage space and access technique they’re by making use of. And in addition they display noticeably sluggish random I/O performance when compared with SSD drives.
During our trials, HDD drives addressed around 400 IO operations per second.
SSD drives are made to include as less rotating elements as is practical. They use a comparable technique like the one used in flash drives and are also much more dependable when compared with standard HDD drives.
SSDs come with an common failure rate of 0.5%.
To have an HDD drive to operate, it must spin 2 metal hard disks at a minimum of 7200 rpm, holding them magnetically stabilized in the air. There is a massive amount of moving parts, motors, magnets as well as other gadgets crammed in a tiny location. Therefore it’s no wonder that the average rate of failure of the HDD drive ranges among 2% and 5%.
4. Energy Conservation
SSDs lack moving parts and need minimal cooling energy. In addition, they demand not much energy to work – lab tests have demonstrated that they’ll be operated by a common AA battery.
As a whole, SSDs take in between 2 and 5 watts.
HDD drives are renowned for getting loud. They demand a lot more electricity for chilling applications. Within a web server which includes several HDDs running regularly, you’ll need a great number of fans to make sure they’re cool – this may cause them a lot less energy–economical than SSD drives.
HDDs take in in between 6 and 15 watts.
5. CPU Power
SSD drives enable a lot quicker data file accessibility rates, which will, in turn, permit the processor to finish data queries much quicker and to go back to different tasks.
The average I/O hold out for SSD drives is barely 1%.
Compared with SSDs, HDDs enable not so quick file accessibility rates. The CPU will be required to lose time waiting for the HDD to come back the inquired data file, reserving its allocations meanwhile.
The typical I/O delay for HDD drives is approximately 7%.
6.Input/Output Request Times
The vast majority of our brand–new machines moved to solely SSD drives. Our own tests have established that having an SSD, the normal service time for an I/O request although performing a backup remains under 20 ms.
Weighed against SSD drives, HDDs offer significantly reduced service times for input/output queries. Throughout a server backup, the common service time for any I/O request can vary somewhere between 400 and 500 ms.
7. Backup Rates
You can actually check out the real–world benefits of utilizing SSD drives every single day. By way of example, on a server with SSD drives, a full back up can take merely 6 hours.
Over the years, we have worked with mostly HDD drives on our servers and we’re well aware of their general performance. On a server equipped with HDD drives, an entire hosting server back–up may take about 20 to 24 hours.
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