For years there seemed to be a particular trustworthy option to keep data on a pc – having a hard disk drive (HDD). Nevertheless, this sort of technology is actually displaying it’s age – hard disk drives are really noisy and sluggish; they are power–hungry and frequently produce quite a lot of warmth throughout serious procedures.
SSD drives, on the other hand, are swift, use up a lot less energy and are also far less hot. They feature a new solution to file access and data storage and are years in front of HDDs when it comes to file read/write speed, I/O operation as well as energy efficacy. See how HDDs stand up up against the modern SSD drives.
1. Access Time
After the launch of SSD drives, file access speeds are now tremendous. Due to the brand new electronic interfaces utilised in SSD drives, the common data file access time has been reduced towards a record low of 0.1millisecond.
HDD drives depend on spinning disks for data storage reasons. When a file will be utilized, you need to wait for the appropriate disk to reach the right place for the laser to view the file involved. This results in a common access rate of 5 to 8 milliseconds.
2. Random I/O Performance
Due to the brand–new revolutionary file storage method shared by SSDs, they provide a lot quicker file access rates and swifter random I/O performance.
For the duration of our tests, all SSDs revealed their capacity to take care of a minimum of 6000 IO’s per second.
With an HDD drive, the I/O performance steadily raises the more you employ the drive. Nevertheless, in the past it extends to a specific cap, it can’t proceed speedier. And because of the now–old concept, that I/O cap is a lot below what you could receive having an SSD.
HDD can only go as far as 400 IO’s per second.
SSD drives are designed to include as less rotating elements as possible. They use a comparable technique to the one used in flash drives and are generally more efficient rather than conventional HDD drives.
SSDs provide an common failing rate of 0.5%.
With an HDD drive to operate, it must rotate 2 metallic disks at over 7200 rpm, retaining them magnetically stable in the air. They have a good deal of moving components, motors, magnets as well as other tools stuffed in a tiny location. Consequently it’s no wonder that the regular rate of failing of any HDD drive can vary in between 2% and 5%.
4. Energy Conservation
SSD drives work practically soundlessly; they don’t make surplus heat; they don’t demand additional chilling options and also consume way less energy.
Tests have indicated the average electricity intake of an SSD drive is amongst 2 and 5 watts.
HDD drives are renowned for becoming loud; they’re liable to getting too hot and if you have several hard drives in one hosting server, you must have one more a / c system used only for them.
In general, HDDs use up somewhere between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ greater I/O efficiency, the leading hosting server CPU can easily work with file requests a lot quicker and save time for different operations.
The regular I/O wait for SSD drives is exactly 1%.
By using an HDD, you must spend additional time awaiting the outcome of one’s file ask. It means that the CPU will continue to be idle for much more time, waiting around for the HDD to react.
The standard I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
In the real world, SSDs function as wonderfully as they performed for the duration of Exceleration21’s lab tests. We competed a full platform backup using one of the production web servers. Over the backup operation, the typical service time for I/O calls was in fact below 20 ms.
In comparison with SSD drives, HDDs offer substantially reduced service times for I/O calls. In a hosting server backup, the average service time for an I/O call ranges somewhere between 400 and 500 ms.
7. Backup Rates
You can actually check out the real–world benefits of having SSD drives every day. For instance, on a hosting server built with SSD drives, a full back–up is going to take simply 6 hours.
On the flip side, on a hosting server with HDD drives, the same data backup takes three to four times as long in order to complete. An entire backup of any HDD–powered server normally takes 20 to 24 hours.
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