For years there seemed to be a particular trustworthy option to store info on a pc – utilizing a disk drive (HDD). However, this type of technology is currently expressing it’s age – hard disk drives are noisy and sluggish; they can be power–hungry and tend to generate quite a lot of warmth in the course of intensive operations.
SSD drives, in contrast, are fast, use up much less power and they are much cooler. They feature a brand new strategy to file access and storage and are years ahead of HDDs when considering file read/write speed, I/O operation and also energy efficacy. Find out how HDDs stand up against the more recent SSD drives.
1. Access Time
Because of a revolutionary new way of disk drive functionality, SSD drives permit for much faster data file accessibility rates. Having an SSD, data file accessibility times are far lower (as small as 0.1 millisecond).
HDD drives depend on spinning disks for data storage uses. Every time a file will be accessed, you will need to await the correct disk to reach the right position for the laser beam to reach the data file you want. This results in a common access speed of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is very important for the effectiveness of a data storage device. We have run in depth trials and have confirmed an SSD can manage a minimum of 6000 IO’s per second.
Hard drives offer reduced file access rates because of the older file storage space and access technology they’re by making use of. Additionally they exhibit much reduced random I/O performance as compared with SSD drives.
In the course of our lab tests, HDD drives handled around 400 IO operations per second.
SSD drives are built to have as less moving elements as is practical. They use an identical concept like the one found in flash drives and are also significantly more dependable compared with regular HDD drives.
SSDs provide an common failing rate of 0.5%.
Since we have mentioned, HDD drives make use of rotating disks. And anything that uses a number of moving parts for extented time periods is at risk from failure.
HDD drives’ average rate of failing varies somewhere between 2% and 5%.
4. Energy Conservation
SSD drives are usually smaller compared to HDD drives and they don’t possess virtually any moving parts at all. As a result they don’t produce as much heat and need much less energy to operate and fewer power for cooling reasons.
SSDs use up somewhere between 2 and 5 watts.
HDD drives are notorious for being loud; they’re prone to getting too hot and in case you have several hard drives in a hosting server, you’ll want a further air conditioning system exclusively for them.
All together, HDDs use up in between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ higher I/O performance, the key server CPU can easily work with data file queries a lot quicker and save time for additional functions.
The standard I/O delay for SSD drives is exactly 1%.
If you use an HDD, you have to spend time anticipating the outcomes of your data file request. It means that the CPU will remain idle for much more time, looking forward to the HDD to reply.
The typical I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
It’s about time for a few real–world cases. We produced an entire platform backup on a server only using SSDs for file storage purposes. In that operation, the typical service time for any I/O call kept beneath 20 ms.
With the same hosting server, but this time furnished with HDDs, the results were totally different. The normal service time for an I/O query fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
You can feel the real–world added benefits of using SSD drives every day. For example, with a server pre–loaded with SSD drives, a full back–up is going to take only 6 hours.
We utilized HDDs exclusively for lots of years and we have got decent familiarity with precisely how an HDD performs. Backing up a server furnished with HDD drives can take about 20 to 24 hours.
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