For decades there seemed to be one dependable method to store information on your computer – working with a hard drive (HDD). On the other hand, this sort of technology is currently displaying its age – hard drives are actually noisy and sluggish; they can be power–hungry and are likely to generate quite a lot of heat during serious procedures.
SSD drives, on the contrary, are swift, consume far less energy and are far less hot. They offer an innovative strategy to file accessibility and data storage and are years in advance of HDDs regarding file read/write speed, I/O operation and also power effectivity. Discover how HDDs fare up against the modern SSD drives.
1. Access Time
SSD drives provide a brand new & ingenious way of file safe–keeping using the usage of electronic interfaces in lieu of just about any moving parts and rotating disks. This completely new technology is faster, making it possible for a 0.1 millisecond data access time.
HDD drives make use of rotating disks for data storage uses. Each time a file is being utilized, you need to wait for the right disk to get to the correct place for the laser beam to view the file in question. This translates into a regular access rate of 5 to 8 milliseconds.
2. Random I/O Performance
The random I/O performance is critical for the operation of any data file storage device. We’ve executed thorough exams and have determined an SSD can handle at the very least 6000 IO’s per second.
Throughout the very same tests, the HDD drives proved to be significantly slower, with only 400 IO operations maintained per second. While this may seem like a large number, for those who have an overloaded server that serves loads of popular sites, a slow hard drive may lead to slow–loading web sites.
SSD drives lack virtually any rotating components, which means that there’s much less machinery inside them. And the fewer actually moving components you’ll find, the fewer the chances of failure are going to be.
The normal rate of failing of any SSD drive is 0.5%.
As we have observed, HDD drives rely on rotating disks. And anything that uses plenty of moving elements for lengthy intervals is liable to failure.
HDD drives’ normal rate of failure ranges among 2% and 5%.
4. Energy Conservation
SSD drives work virtually noiselessly; they don’t make excessive heat; they don’t require extra chilling methods and also consume much less energy.
Lab tests have indicated the common electricity utilization of an SSD drive is amongst 2 and 5 watts.
From the second they were constructed, HDDs were always very electric power–heavy systems. So when you’ve got a server with different HDD drives, this will add to the monthly utility bill.
Normally, HDDs use up in between 6 and 15 watts.
5. CPU Power
SSD drives permit a lot quicker file access rates, which will, consequently, allow the CPU to complete data requests faster and afterwards to go back to other responsibilities.
The standard I/O hold out for SSD drives is simply 1%.
HDD drives allow for reduced accessibility speeds in comparison to SSDs do, which will result for the CPU being forced to wait around, although saving allocations for your HDD to find and give back the requested file.
The common I/O delay for HDD drives is around 7%.
6.Input/Output Request Times
In the real world, SSDs conduct as perfectly as they have for the duration of the trials. We produced a complete system data backup on one of our own production machines. Through the backup process, the average service time for I/O requests was under 20 ms.
During the very same lab tests with the exact same web server, now suited out utilizing HDDs, general performance was much slow. All through the server back–up process, the regular service time for I/O requests varied between 400 and 500 ms.
7. Backup Rates
Referring to back–ups and SSDs – we’ve witnessed a significant enhancement with the backup rate since we moved to SSDs. Right now, a normal hosting server back–up can take only 6 hours.
Alternatively, on a web server with HDD drives, a similar back–up usually requires three to four times as long to finish. A complete backup of any HDD–powered server typically takes 20 to 24 hours.
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