SSD VS HDD: Which One is Best

The inclusion of solid state drives in new computers during recent years, has put a question mark in utilization of the conventional hard disk drives. This new technology of storage unit, has called on for many discussions, analysis and comparisons of SSD vs HDD.


An SSD (Solid State Drive) has gained popularity in past few years. And after its implementation in new computers has started assumptions about its merits over the conventional Hard Disk Drives (HDD).

In one way, there is no comparison of both the storage technologies, as they are independently excellent in their own aspects. But to put a clear view of these two Drives, let us discuss their similarities, differences and virtues. Let's put a fair idea to debated SSD vs HDD.

Solid State Drives (SSD)

In initial days of SSD, there were rumors of unreliability of data storage and other minute misconceptions. But as the technology cut through the rumors, it proved to be a great advancement in the world of storage technology. And now you can store data for more than 200 years in an SSD. Before comparing it with the HDD, let us have a glance at what really is an SSD.

Solid State Drive (SSD)

Solid State Drives are Static storage units that gained recognition around year 2013. Since then their use has erupted and now we have so many storage units that implement SSD technology. Many computers in Apple now use SSD along with many other external storage devices.

A Solid State Drive use semiconductor storage units that are controlled with the help of a controller. The information is stored in these semiconductors which can be safe secure and lasting in nature. The rising popularity of SSDs is due to smaller size of computer and PCs and requirement of faster processing. The SSD uses a SATA interface for interaction with the computer system.

Hard Disk Drives (HDD)

The traditional Hard Disk Drive was introduced in 1956, and it has lasted for more than six decades. The performance and technology of HDD is excellent from a classical point of view. These HDDs are in use since the computer started commercializing.

HDDs are Hard Disk Drives that use mechanical parts to store data. They have rotating magnetic disk that can store data and read with the use of platter. They are capable of storing a huge amount of data and can be connected to a computer using a SATA interface. The conventional hard drives used today rotate at around 5400RPM while the limit may exceed up to 15,000 RPM. The faster the magnetic disk rotates, faster will be the processing of data.

Comparison of SSD to HDD

Here we will make some comparisons on the basis of technicality of SSD vs HDD. Keep in mind some parameters like speed, storage capacity etc.

  • Capacity – The capacity to store data in an SSD, slightly low and is confined to a maximum of 1TB for laptops and 4TB for computers, as compared to HDD which can provide 2TB for laptop and up to 10 GB for computers.
  • Boot Time – Here SSD takes a lead with an average boot time of 10 to 15 seconds whereas HDD has a boot time of 30-40 seconds.
  • Power Consumptions – SSD needs around 2 – 4 watt of power which makes it power efficient, HDD needs significantly higher power of around 6-8 watts.
  • Heat Produced– the heating up effect is one of the major issues with using an HDD. But an HDD doesn’t produce any heat, it is generated out of moving parts and the power it draws. Whereas in SSD, there is comparatively less heat which is generated due to its operation.
  • Noise effect – ever wondered why your computer starts making clicking and spinning noise once it is started? It is equipped with an HDD and the disk platter makes occasional clicking noise and spins. Comparative to that, the SSD never makes any noise as there is no moving part.
  • Vibration – An SSD never makes any vibration since there is no moving part involved, whereas, HDD experiences vibration due to mechanical parts.
  • Write/Read Speed – The write speed for an SSD is generally 200MB/s and it can be pushed up to 550MB/s where the HDD can write with a speed up to 120MB/s.
  • Cost - The cost per GB for these drives can’t be properly estimated these days due to several consideration parameters, but generally the cost for a contemporary SSD is higher than that of an HDD.
  • Effect of magnetism -  It is important to consider this point due to the fact that a magnetic disk is under threat when exposed to magnetic field. This brings the use of HDD under constant threat of data deletion. Whereas an SSD is safe from magnetic effect.

These many points explain the parameters to compare the use of Solid State Drives and Hard Disk Drives. Where the HDDs lack behind in so many aspects, they have their own advantage. As far as the magnetic field does not affect your HDD, in such case, you may need a brief guide on recovering files from external hdd. Apart from this, both of the SSDs and HDDs are not completely safe from deletion of data.

To conclude with, let’s consider the scenarios where you might want to use SSD or HDD. If you are looking for a huge storage space with a comparative lower price and compromised speed, then HDD is preferable, whereas if you are looking for a significant high speed and less storage with higher price, SSD is the perfect choice.

SSD VS HDD: Which One is Best was last modified: January 23rd, 2017 by John Harris

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