For many years there was just one reliable solution to store information on a personal computer – using a disk drive (HDD). Having said that, this type of technology is presently displaying it’s age – hard disks are noisy and sluggish; they can be power–ravenous and tend to create a great deal of heat during serious procedures.
SSD drives, on the contrary, are swift, use up much less energy and are far less hot. They provide an exciting new method to file access and data storage and are years in front of HDDs regarding file read/write speed, I/O performance and then power capability. Discover how HDDs stand up against the newer SSD drives.
1. Access Time
Due to a revolutionary new method to disk drive general performance, SSD drives make it possible for much faster data file access rates. With an SSD, data accessibility instances are far lower (as small as 0.1 millisecond).
HDD drives rely on spinning disks for data storage reasons. Every time a file is being accessed, you have to wait around for the right disk to get to the appropriate position for the laser beam to view the file you want. This leads to a typical access rate of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is very important for the functionality of any data file storage device. We have run thorough testing and have established that an SSD can handle a minimum of 6000 IO’s per second.
Throughout the very same trials, the HDD drives turned out to be considerably slower, with simply 400 IO operations managed per second. Although this feels like a good deal, for those who have a hectic server that hosts lots of sought after sites, a sluggish hard disk drive can cause slow–loading web sites.
The absence of moving components and spinning disks inside SSD drives, as well as the latest advances in electronic interface technology have led to a substantially risk–free data storage device, having an average failing rate of 0.5%.
As we have previously mentioned, HDD drives rely on spinning hard disks. And something that utilizes a number of moving components for extended time periods is more prone to failure.
HDD drives’ normal rate of failing ranges among 2% and 5%.
4. Energy Conservation
SSDs are lacking moving parts and require hardly any cooling energy. They also involve not much energy to work – tests have demonstrated they can be operated by a standard AA battery.
In general, SSDs consume amongst 2 and 5 watts.
HDD drives can be renowned for being loud; they’re more prone to getting hot and when you have several hard drives within a server, you must have a further air conditioning unit simply for them.
As a whole, HDDs take in somewhere between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ greater I/O efficiency, the main web server CPU can process data file demands more quickly and save time for different functions.
The normal I/O wait for SSD drives is exactly 1%.
In comparison with SSDs, HDDs allow for slower data file accessibility rates. The CPU will have to lose time waiting for the HDD to come back the requested data, saving its resources while waiting.
The normal I/O delay for HDD drives is about 7%.
6.Input/Output Request Times
It is time for a few real–world instances. We, at SiteDynasty.com, produced a complete platform backup on a server only using SSDs for data storage uses. During that procedure, the average service time for an I/O call kept under 20 ms.
During the same lab tests using the same server, now fitted out utilizing HDDs, functionality was substantially reduced. During the hosting server back up procedure, the regular service time for I/O demands fluctuated between 400 and 500 ms.
7. Backup Rates
You are able to notice the real–world added benefits of using SSD drives day after day. For instance, on a server equipped with SSD drives, a full backup will take only 6 hours.
On the flip side, with a hosting server with HDD drives, an identical back–up may take three or four times as long to finish. An entire backup of an HDD–equipped hosting server typically takes 20 to 24 hours.
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