For years there seemed to be a particular reputable method to keep info on your computer – using a disk drive (HDD). However, this kind of technology is presently showing it’s age – hard disk drives are really noisy and sluggish; they are power–hungry and tend to generate a lot of warmth for the duration of serious procedures.
SSD drives, in contrast, are quick, take in way less power and are also far less hot. They provide a completely new way of file access and storage and are years ahead of HDDs when considering file read/write speed, I/O effectiveness and then energy efficacy. Find out how HDDs stand up up against the modern SSD drives.
1. Access Time
SSD drives have a fresh & innovative method to file safe–keeping using the utilization of electronic interfaces in place of any sort of moving components and turning disks. This brand–new technology is quicker, allowing for a 0.1 millisecond data file accessibility time.
The concept powering HDD drives goes back to 1954. And although it’s been substantially enhanced in recent times, it’s nevertheless can’t stand up to the revolutionary concept behind SSD drives. Through today’s HDD drives, the very best file access speed you’re able to achieve can vary between 5 and 8 milliseconds.
2. Random I/O Performance
Because of the brand–new significant file storage technique shared by SSDs, they give you better file access speeds and faster random I/O performance.
All through our trials, all of the SSDs demonstrated their capability to work with a minimum of 6000 IO’s per second.
Hard drives present slower data file access rates due to aging file storage and accessibility technology they’re by making use of. And in addition they show significantly slower random I/O performance when compared to SSD drives.
For the duration of Free Giga Host’s tests, HDD drives managed an average of 400 IO operations per second.
SSD drives lack any kind of rotating parts, which means there’s a lot less machinery included. And the less physically moving parts you will discover, the lower the possibilities of failure can be.
The normal rate of failing of an SSD drive is 0.5%.
Since we already have documented, HDD drives rely on rotating disks. And anything that uses numerous moving elements for extented intervals is more likely to failing.
HDD drives’ typical rate of failing ranges somewhere between 2% and 5%.
4. Energy Conservation
SSDs do not have moving components and need almost no cooling down energy. In addition they call for very little power to function – lab tests have revealed that they’ll be powered by a common AA battery.
As a whole, SSDs use up somewhere between 2 and 5 watts.
As soon as they were made, HDDs were always very power–ravenous devices. So when you’ve got a server with quite a few HDD drives, this can increase the regular electric bill.
Normally, HDDs take in somewhere between 6 and 15 watts.
5. CPU Power
The faster the data file access speed is, the quicker the data file calls can be processed. As a result the CPU will not have to hold allocations expecting the SSD to reply back.
The common I/O wait for SSD drives is 1%.
When you use an HDD, you will need to devote more time waiting for the outcome of your data file request. Consequently the CPU will remain idle for further time, awaiting the HDD to respond.
The standard I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
It’s time for a few real–world illustrations. We, at Free Giga Host, competed a detailed system backup on a hosting server only using SSDs for file storage purposes. During that operation, the typical service time for an I/O call stayed under 20 ms.
With the same hosting server, however this time loaded with HDDs, the end results were completely different. The standard service time for any I/O query changed between 400 and 500 ms.
7. Backup Rates
Talking about back ups and SSDs – we’ve witnessed an amazing improvement in the backup rate since we switched to SSDs. Currently, a usual server back–up can take just 6 hours.
We implemented HDDs exclusively for a few years and we have very good comprehension of just how an HDD functions. Backing up a server designed with HDD drives will take about 20 to 24 hours.
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