For many years there was only 1 reliable solution to store data on a laptop – utilizing a hard drive (HDD). On the other hand, this type of technology is by now showing its age – hard disk drives are loud and slow; they are power–hungry and tend to create quite a lot of heat for the duration of intense procedures.
SSD drives, on the other hand, are fast, take in significantly less power and are also far less hot. They furnish a new way of file accessibility and data storage and are years in advance of HDDs in relation to file read/write speed, I/O efficiency and also power effectivity. Observe how HDDs fare against the modern SSD drives.
1. Access Time
SSD drives give a completely new & impressive solution to data storage using the usage of electronic interfaces in lieu of any moving components and revolving disks. This brand new technology is faster, enabling a 0.1 millisecond file access time.
HDD drives still take advantage of the exact same general data access technique which was initially developed in the 1950s. Although it has been noticeably advanced since that time, it’s sluggish when compared with what SSDs will offer. HDD drives’ data access speed varies between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is vital for the efficiency of any file storage device. We’ve run thorough lab tests and have established an SSD can manage at the least 6000 IO’s per second.
During the same lab tests, the HDD drives demonstrated that they are significantly slower, with simply 400 IO operations handled per second. Although this might appear to be a significant number, for people with a hectic web server that hosts plenty of well–known sites, a slow hard drive can lead to slow–loading web sites.
The absence of moving elements and rotating disks in SSD drives, and also the current advances in electric interface technology have led to a considerably better file storage device, having a common failure rate of 0.5%.
Since we already have mentioned, HDD drives rely upon rotating hard disks. And something that takes advantage of a number of moving elements for lengthy amounts of time is susceptible to failing.
HDD drives’ common rate of failing varies somewhere between 2% and 5%.
4. Energy Conservation
SSDs don’t have any moving components and need not much cooling down energy. In addition they call for a small amount of energy to operate – trials have established that they can be operated by a common AA battery.
As a whole, SSDs use up between 2 and 5 watts.
HDD drives are famous for becoming loud. They need further energy for chilling purposes. On a hosting server which includes a number of HDDs running consistently, you need a lot of fans to keep them kept cool – this makes them much less energy–economical than SSD drives.
HDDs consume between 6 and 15 watts.
5. CPU Power
The speedier the data access speed is, the faster the file requests can be adressed. This means that the CPU do not need to hold allocations waiting around for the SSD to reply back.
The normal I/O delay for SSD drives is simply 1%.
When compared to SSDs, HDDs allow for slower file access speeds. The CPU will need to lose time waiting for the HDD to send back the required data file, saving its assets meanwhile.
The common I/O delay for HDD drives is about 7%.
6.Input/Output Request Times
The majority of our completely new servers now use solely SSD drives. Our very own lab tests have revealed that by using an SSD, the common service time for an I/O request although operating a backup remains below 20 ms.
Sticking with the same web server, yet this time equipped with HDDs, the end results were completely different. The common service time for an I/O call fluctuated between 400 and 500 ms.
7. Backup Rates
A different real–life enhancement will be the speed at which the back–up is developed. With SSDs, a web server data backup currently will take no more than 6 hours implementing our web server–enhanced software.
Over time, we’ve got employed predominantly HDD drives on our web servers and we are well aware of their overall performance. With a server built with HDD drives, a full hosting server data backup may take about 20 to 24 hours.
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