For years there seemed to be just one reliable method to keep information on a personal computer – using a hard disk drive (HDD). However, this type of technology is actually expressing its age – hard disks are loud and sluggish; they are power–ravenous and tend to create quite a lot of warmth in the course of serious operations.
SSD drives, in contrast, are really fast, consume a lesser amount of power and tend to be far less hot. They offer a new way of file access and storage and are years in front of HDDs when it comes to file read/write speed, I/O effectiveness and then power efficiency. Discover how HDDs fare against the more recent SSD drives.
1. Access Time
After the release of SSD drives, data accessibility rates have gone through the roof. Due to the brand–new electronic interfaces used in SSD drives, the average data access time has been reduced to a record low of 0.1millisecond.
HDD drives continue to take advantage of the very same basic data access technique which was initially developed in the 1950s. Though it was significantly advanced since that time, it’s sluggish as compared with what SSDs are providing. HDD drives’ file access speed can vary between 5 and 8 milliseconds.
2. Random I/O Performance
Caused by the unique radical file storage solution incorporated by SSDs, they supply quicker data access speeds and swifter random I/O performance.
For the duration of TSO Hosting’s lab tests, all SSDs revealed their capacity to work with at the least 6000 IO’s per second.
Hard drives feature slower data access rates due to the aging file storage space and accessibility technology they are by making use of. Additionally they demonstrate much sluggish random I/O performance as opposed to SSD drives.
For the duration of our tests, HDD drives addressed typically 400 IO operations per second.
SSD drives are built to have as less rotating elements as feasible. They utilize an identical concept to the one utilized in flash drives and are generally much more efficient than traditional HDD drives.
SSDs offer an typical failing rate of 0.5%.
HDD drives utilize spinning hard disks for holding and reading through files – a technology since the 1950s. With disks magnetically suspended in the air, rotating at 7200 rpm, the prospect of something failing are generally higher.
The standard rate of failing of HDD drives can vary amongst 2% and 5%.
4. Energy Conservation
SSD drives function practically soundlessly; they don’t make excessive heat; they don’t mandate more chilling alternatives and also consume significantly less energy.
Lab tests have indicated that the common power consumption of an SSD drive is amongst 2 and 5 watts.
HDD drives are renowned for being loud. They want far more electric power for air conditioning purposes. With a server which includes a lot of different HDDs running at all times, you need a lot of fans to make sure they’re cooler – this makes them a lot less energy–efficient than SSD drives.
HDDs consume in between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ higher I/O efficiency, the main web server CPU will be able to work with file demands faster and save time for different procedures.
The standard I/O wait for SSD drives is exactly 1%.
In comparison to SSDs, HDDs enable slower data file access rates. The CPU will have to lose time waiting for the HDD to come back the required file, saving its allocations for the time being.
The common I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
The vast majority of TSO Hosting’s completely new servers moved to only SSD drives. Our own lab tests have demostrated that utilizing an SSD, the average service time for an I/O request while performing a backup remains under 20 ms.
Throughout the very same trials sticking with the same server, this time installed out with HDDs, functionality was noticeably slower. All through the hosting server data backup procedure, the standard service time for any I/O requests ranged somewhere between 400 and 500 ms.
7. Backup Rates
Discussing backups and SSDs – we’ve found a great progress in the back–up rate as we turned to SSDs. Now, a usual hosting server backup can take merely 6 hours.
We worked with HDDs exclusively for several years and we have excellent comprehension of precisely how an HDD runs. Backing up a web server furnished with HDD drives is going to take about 20 to 24 hours.
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