For many years there seemed to be just one reliable way to keep information on your computer – having a hard drive (HDD). On the other hand, this type of technology is presently expressing its age – hard disks are really loud and sluggish; they can be power–ravenous and frequently produce quite a lot of heat during intensive operations.
SSD drives, in contrast, are swift, take in much less energy and are far less hot. They feature a new strategy to file accessibility and storage and are years in front of HDDs with regards to file read/write speed, I/O efficiency and also power effectivity. Discover how HDDs stand up up against the more recent SSD drives.
1. Access Time
SSD drives present a completely new & progressive solution to file storage using the use of electronic interfaces as an alternative to any sort of moving components and rotating disks. This unique technology is quicker, allowing for a 0.1 millisecond file access time.
The concept powering HDD drives times all the way back to 1954. Even though it’s been substantially enhanced in recent times, it’s still can’t stand up to the inventive technology behind SSD drives. Through today’s HDD drives, the best data access rate you’ll be able to achieve varies between 5 and 8 milliseconds.
2. Random I/O Performance
The random I/O performance is vital for the performance of any file storage device. We have conducted extensive exams and have identified that an SSD can deal with at the least 6000 IO’s per second.
Hard drives offer slower data access speeds as a result of aging file storage and accessibility concept they are implementing. Additionally they display noticeably slower random I/O performance as opposed to SSD drives.
For the duration of MD Dot Ltd’s tests, HDD drives managed around 400 IO operations per second.
The absence of moving elements and spinning disks within SSD drives, and the current advancements in electrical interface technology have ended in a substantially risk–free file storage device, having an average failure rate of 0.5%.
HDD drives utilize rotating hard disks for storing and reading files – a concept since the 1950s. With hard disks magnetically suspended in mid–air, rotating at 7200 rpm, the likelihood of some thing failing are much bigger.
The normal rate of failing of HDD drives can vary amongst 2% and 5%.
4. Energy Conservation
SSD drives are far smaller than HDD drives as well as they lack just about any moving parts at all. As a result they don’t create as much heat and need much less electricity to work and less power for cooling down purposes.
SSDs take in amongst 2 and 5 watts.
HDD drives can be known for becoming noisy; they are liable to heating up and if there are several hard drives inside a server, you need a different cooling system simply for them.
In general, HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
Because of SSD drives’ greater I/O performance, the key web server CPU will be able to process data demands faster and preserve time for different operations.
The regular I/O delay for SSD drives is 1%.
When you use an HDD, you will need to invest time awaiting the results of one’s file call. This means that the CPU will remain idle for further time, awaiting the HDD to reply.
The average I/O wait for HDD drives is around 7%.
6.Input/Output Request Times
It’s about time for a few real–world examples. We, at MD Dot Ltd, produced an entire platform backup on a web server only using SSDs for file storage uses. In that operation, the standard service time for any I/O request stayed below 20 ms.
During the same tests with the same web server, this time fitted out with HDDs, performance was substantially slower. During the server back–up procedure, the typical service time for I/O demands ranged between 400 and 500 ms.
7. Backup Rates
An additional real–life improvement will be the speed with which the data backup was developed. With SSDs, a hosting server back up now can take less than 6 hours by using MD Dot Ltd’s web server–designed software solutions.
In the past, we have got worked with principally HDD drives with our web servers and we are well aware of their overall performance. With a web server loaded with HDD drives, an entire web server back–up usually takes about 20 to 24 hours.
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