For decades there was just one single efficient method to keep info on a pc – with a disk drive (HDD). Nonetheless, this kind of technology is currently displaying it’s age – hard disk drives are really loud and slow; they can be power–hungry and are likely to generate quite a lot of warmth during intensive operations.
SSD drives, on the contrary, are extremely fast, take in a lesser amount of power and they are far less hot. They feature an innovative approach to file accessibility and storage and are years ahead of HDDs with regards to file read/write speed, I/O efficiency as well as energy efficiency. Discover how HDDs fare up against the more recent SSD drives.
1. Access Time
SSD drives give a brand–new & inventive approach to file storage based on the utilization of electronic interfaces rather than just about any moving parts and rotating disks. This brand new technology is much quicker, permitting a 0.1 millisecond file accessibility time.
HDD drives make use of spinning disks for files storage reasons. Every time a file is being accessed, you need to wait for the right disk to get to the appropriate place for the laser to reach the data file you want. This translates into a regular access rate of 5 to 8 milliseconds.
2. Random I/O Performance
With thanks to the same revolutionary approach enabling for a lot faster access times, also you can take pleasure in improved I/O performance with SSD drives. They’re able to perform double the procedures within a specific time as compared with an HDD drive.
An SSD can deal with a minimum of 6000 IO’s per second.
With a HDD drive, the I/O performance steadily enhances the more you apply the drive. Having said that, just after it gets to a specific restriction, it can’t go faster. And due to the now–old concept, that I/O limit is noticeably lower than what you can have having an SSD.
HDD are only able to go as much as 400 IO’s per second.
SSD drives are designed to have as fewer moving components as possible. They use an identical concept like the one employed in flash drives and are generally more dependable as opposed to regular HDD drives.
SSDs have an common failure rate of 0.5%.
As we have mentioned, HDD drives use rotating hard disks. And anything that works by using a large number of moving components for continuous time frames is at risk of failing.
HDD drives’ common rate of failure can vary between 2% and 5%.
4. Energy Conservation
SSDs do not have moving components and require little or no cooling power. In addition, they need very little electricity to operate – trials have demonstrated that they can be powered by a standard AA battery.
As a whole, SSDs consume between 2 and 5 watts.
HDD drives are famous for becoming loud. They want further energy for cooling applications. With a hosting server which includes different HDDs running continuously, you’ll need a good deal of fans to make sure they’re cooler – this will make them a lot less energy–economical than SSD drives.
HDDs consume somewhere between 6 and 15 watts.
5. CPU Power
SSD drives permit quicker data accessibility rates, which, in return, encourage the CPU to perform file calls much faster and to go back to different tasks.
The common I/O wait for SSD drives is exactly 1%.
If you use an HDD, you need to dedicate time anticipating the results of your file ask. Consequently the CPU will stay idle for further time, waiting for the HDD to react.
The typical I/O wait for HDD drives is approximately 7%.
6.Input/Output Request Times
The majority of My Hunt Host’s brand–new web servers now use simply SSD drives. Each of our lab tests have established that with an SSD, the average service time for an I/O request although performing a backup remains below 20 ms.
Compared to SSD drives, HDDs feature significantly sluggish service times for input/output requests. In a server backup, the normal service time for an I/O call can vary somewhere between 400 and 500 ms.
7. Backup Rates
Discussing back–ups and SSDs – we’ve found a substantual improvement with the back up rate as we transferred to SSDs. Currently, a regular server data backup takes merely 6 hours.
Throughout the years, we have made use of predominantly HDD drives with our servers and we are well aware of their efficiency. With a server built with HDD drives, a full web server backup often takes around 20 to 24 hours.
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