For decades there was only 1 trustworthy solution to store data on a personal computer – with a hard disk drive (HDD). Nevertheless, this type of technology is by now showing it’s age – hard disks are actually noisy and sluggish; they are power–ravenous and are likely to generate a great deal of heat during intensive procedures.
SSD drives, on the other hand, are extremely fast, consume a lot less power and are far less hot. They offer a new strategy to file accessibility and data storage and are years in advance of HDDs when considering file read/write speed, I/O operation and then energy capability. Observe how HDDs fare against the newer SSD drives.
1. Access Time
With the introduction of SSD drives, data access speeds have gone tremendous. Because of the new electronic interfaces utilized in SSD drives, the standard data access time has shrunk to a all–time low of 0.1millisecond.
The technology powering HDD drives goes all the way to 1954. And even though it’s been drastically processed over the years, it’s nevertheless can’t stand up to the revolutionary technology behind SSD drives. With today’s HDD drives, the highest data access speed you can actually achieve differs somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is critical for the effectiveness of any data storage device. We have executed thorough testing and have identified an SSD can handle at the very least 6000 IO’s per second.
Having an HDD drive, the I/O performance steadily improves the more you employ the disk drive. Having said that, just after it reaches a specific limit, it can’t go quicker. And due to the now–old technology, that I/O limit is noticeably less than what you might get with a SSD.
HDD are only able to go so far as 400 IO’s per second.
The lack of moving elements and rotating disks within SSD drives, and the latest developments in electronic interface technology have ended in a substantially less risky file storage device, with an normal failing rate of 0.5%.
HDD drives make use of spinning hard disks for holding and browsing data – a concept since the 1950s. Along with hard disks magnetically hanging in mid–air, spinning at 7200 rpm, the chances of some thing going wrong are considerably higher.
The standard rate of failure of HDD drives varies between 2% and 5%.
4. Energy Conservation
SSDs don’t have moving elements and need not much chilling power. In addition, they involve not much energy to work – trials have demonstrated that they’ll be operated by a standard AA battery.
As a whole, SSDs consume amongst 2 and 5 watts.
From the time they have been constructed, HDDs have been extremely electrical power–ravenous equipment. Then when you’ve got a server with several HDD drives, this can raise the month to month utility bill.
On average, HDDs use up in between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ better I/O functionality, the leading server CPU can easily process data demands faster and conserve time for other operations.
The common I/O wait for SSD drives is just 1%.
HDD drives enable reduced accessibility rates compared with SSDs do, resulting for the CPU being forced to wait around, while arranging allocations for the HDD to discover and return the required data.
The normal I/O delay for HDD drives is about 7%.
6.Input/Output Request Times
In real life, SSDs carry out as perfectly as they managed during Online Pluto’s tests. We produced an entire platform data backup using one of our production web servers. During the backup operation, the standard service time for I/O requests was indeed under 20 ms.
With the exact same web server, but this time equipped with HDDs, the end results were very different. The average service time for any I/O query fluctuated somewhere between 400 and 500 ms.
7. Backup Rates
Yet another real–life enhancement is the speed at which the back–up has been produced. With SSDs, a web server backup currently will take no more than 6 hours implementing our hosting server–optimized software solutions.
On the flip side, on a hosting server with HDD drives, a comparable back up takes 3 to 4 times as long to finish. A complete back–up of any HDD–driven web server typically takes 20 to 24 hours.
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