For many years there seemed to be only 1 reliable method to keep information on a computer – having a hard drive (HDD). On the other hand, this type of technology is already expressing it’s age – hard drives are really noisy and sluggish; they can be power–ravenous and frequently generate a great deal of heat throughout intensive operations.
SSD drives, on the other hand, are quick, use up a smaller amount power and they are far less hot. They feature a brand new method of file accessibility and storage and are years in front of HDDs in relation to file read/write speed, I/O efficiency and also power efficiency. Find out how HDDs stand up against the modern SSD drives.
1. Access Time
SSD drives offer a completely new & progressive solution to data safe–keeping according to the usage of electronic interfaces instead of just about any moving components and rotating disks. This completely new technology is faster, allowing for a 0.1 millisecond data access time.
HDD drives even now use the same general data access concept that’s initially developed in the 1950s. Even though it has been considerably enhanced after that, it’s sluggish as compared to what SSDs are offering to you. HDD drives’ data access rate can vary somewhere between 5 and 8 milliseconds.
2. Random I/O Performance
On account of the brand–new radical data storage strategy incorporated by SSDs, they furnish swifter data access speeds and speedier random I/O performance.
In the course of Hosting in Finland’s tests, all of the SSDs showed their capacity to handle at the least 6000 IO’s per second.
With a HDD drive, the I/O performance gradually improves the more you apply the disk drive. Having said that, as soon as it reaches a certain limit, it can’t get speedier. And because of the now–old technology, that I/O restriction is much lower than what you might get having an SSD.
HDD are only able to go so far as 400 IO’s per second.
SSD drives are made to have as fewer rotating elements as is possible. They use an identical technology like the one found in flash drives and are also significantly more reliable as opposed to standard HDD drives.
SSDs come with an average failure rate of 0.5%.
For an HDD drive to operate, it should spin a couple metallic hard disks at over 7200 rpm, holding them magnetically stable in mid–air. They have a number of moving elements, motors, magnets along with other tools loaded in a tiny place. Hence it’s no wonder that the common rate of failing of an HDD drive varies among 2% and 5%.
4. Energy Conservation
SSDs lack moving parts and require hardly any chilling power. Additionally they demand not much energy to operate – tests have shown that they’ll be powered by a regular AA battery.
As a whole, SSDs take in somewhere between 2 and 5 watts.
HDD drives are infamous for getting noisy; they’re more likely to heating up and in case you have several hard drives within a server, you will need one more cooling unit used only for them.
In general, HDDs take in between 6 and 15 watts.
5. CPU Power
The swifter the data access speed is, the faster the data file calls will likely be handled. This means that the CPU do not need to hold allocations looking forward to the SSD to reply back.
The normal I/O wait for SSD drives is actually 1%.
As compared to SSDs, HDDs enable not so quick data file accessibility rates. The CPU will have to await the HDD to return the demanded file, saving its assets for the time being.
The regular I/O wait for HDD drives is about 7%.
6.Input/Output Request Times
In real life, SSDs conduct as wonderfully as they managed in the course of our checks. We produced an entire system back–up using one of the production machines. During the backup operation, the typical service time for I/O requests was under 20 ms.
In comparison with SSD drives, HDDs deliver substantially sluggish service rates for input/output calls. In a server backup, the regular service time for any I/O request can vary somewhere between 400 and 500 ms.
7. Backup Rates
One more real–life enhancement is the speed at which the data backup has been developed. With SSDs, a server data backup today requires less than 6 hours by making use of Hosting in Finland’s server–enhanced software solutions.
We employed HDDs exclusively for a couple of years and we’ve very good knowledge of just how an HDD performs. Generating a backup for a hosting server furnished with HDD drives will take around 20 to 24 hours.
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