For decades there seemed to be one reliable way to keep info on your computer – utilizing a hard disk drive (HDD). Nevertheless, this sort of technology is actually displaying its age – hard disk drives are really noisy and sluggish; they are power–ravenous and frequently create lots of heat throughout intense procedures.
SSD drives, in contrast, are really fast, consume way less power and are also much cooler. They provide an innovative way of file accessibility and storage and are years in advance of HDDs with regard to file read/write speed, I/O operation as well as power effectivity. Find out how HDDs fare up against the modern SSD drives.
1. Access Time
Due to a revolutionary new solution to disk drive performance, SSD drives make it possible for much quicker file access speeds. Having an SSD, data accessibility instances tend to be lower (as low as 0.1 millisecond).
The technology powering HDD drives times all the way back to 1954. Even though it has been noticeably polished in recent times, it’s nevertheless can’t stand up to the ingenious ideas driving SSD drives. With today’s HDD drives, the very best data file access rate you can actually achieve can vary somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the exact same radical solution that allows for faster access times, you can also enjoy better I/O efficiency with SSD drives. They will carry out twice as many operations throughout a specific time compared to an HDD drive.
An SSD can manage at the least 6000 IO’s per second.
Hard drives present slower data access speeds because of the older file storage and accessibility technology they are employing. And they also display considerably reduced random I/O performance compared with SSD drives.
In the course of our lab tests, HDD drives managed on average 400 IO operations per second.
SSD drives lack any rotating components, which means there’s a lesser amount of machinery in them. And the less actually moving elements there are, the fewer the likelihood of failing can be.
The normal rate of failure of any SSD drive is 0.5%.
HDD drives employ rotating disks for saving and reading through info – a concept dating back to the 1950s. With hard disks magnetically suspended in mid–air, spinning at 7200 rpm, the prospects of some thing going wrong are considerably bigger.
The standard rate of failure of HDD drives varies amongst 2% and 5%.
4. Energy Conservation
SSDs lack moving components and need not much chilling energy. Additionally they need not much energy to work – lab tests have shown that they’ll be operated by a common AA battery.
In general, SSDs consume between 2 and 5 watts.
From the moment they were made, HDDs were always really electric power–hungry products. And when you have a server with many different HDD drives, it will add to the month–to–month power bill.
On average, HDDs consume between 6 and 15 watts.
5. CPU Power
Thanks to SSD drives’ higher I/O functionality, the key web server CPU can easily work with file demands much faster and save time for other functions.
The standard I/O delay for SSD drives is just 1%.
By using an HDD, you’ll have to dedicate time waiting for the outcomes of one’s file query. As a result the CPU will remain idle for much more time, waiting for the HDD to reply.
The average I/O delay for HDD drives is approximately 7%.
6.Input/Output Request Times
It is time for some real–world illustrations. We competed a full system backup with a server using only SSDs for data storage reasons. During that procedure, the standard service time for an I/O call stayed under 20 ms.
With the same web server, but this time built with HDDs, the outcome were different. The standard service time for any I/O request changed somewhere between 400 and 500 ms.
7. Backup Rates
Referring to back ups and SSDs – we have observed a significant progress in the back up rate since we transferred to SSDs. Now, a common server back up will take merely 6 hours.
Over the years, we’ve utilized mainly HDD drives on our machines and we are knowledgeable of their effectiveness. With a web server designed with HDD drives, a full hosting server data backup will take around 20 to 24 hours.
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