Hard Disk Versus SSD: On Practical Basis

The debate of HDD Vs. SSD has been there for quite a while, but which one of them is better than the other?

People often assume that Solid Disk Drives are the best storage device, but in reality, you need to scrutinize all aspects of these devices to conclude. 

Hard Disk Versus SSD: On Practical Basis

Generally, SSDs are heavy on the pockets but speed up the computer performance, whereas an HDD offers more storage space and is relatively low cost.

So, let’s deep dive into understanding the characteristics of these famous storage devices and determine the best one.

What is a Hard Disk?

A hard disk drive commonly referred to as an HDD, is a data storage device where a number of heads or transducers on the HDD’s “arm” read and write data to the disc.  

These disks are also said to be non-volatile, given how they can store data without power being supplied. The fact that HDDs have been in use longer than SSDs makes them a “legacy” technology. 

In addition, hard disks contain platters that electromagnetically store data. The actuator arm, also known as the “read/write head,” is the source of this electrical charge.

In all, an HDD’s purpose is to read, write, and store data. They prove to be dependable backup devices as well as reliable for regular computer operations. HDD technology has advanced tremendously, reducing its cost while increasing the total capacity.

What is an SSD?

A solid disk drive or SSD stores data through a charge in semiconductors or flash power to read, write, and other operations such as IOPs (input-output operations per second). These solid disks are also said to have non-volatile memory and do not require moving components or parts for storing data. 

Furthermore, SSDs use integrated circuits instead of implementing mechanical storage components. Through this, its size, along with the noise, is reduced. 

Here the data is stored inside blocks. However, the block must be entirely deleted and recreated on a separate block in order to keep consecutive data together as well as minimal response times.  

In all, due to the absence of any moving parts, SSDs require less power in comparison to HDDs. They also depend on the operating system’s continual power to operate.

Hard Disks Versus SSD

Let’s take a look at how hard disks and SSDs differ through our list of their main features. Through our detailed and practical comparison, you will get a good idea of how they weigh against each other. 

Let’s begin!


One of the primary factors that we observe when comparing two devices would undoubtedly be their speed. The speed of a storage device is a crucial deciding factor in which one works best for your needs. 

In the case of hard disks and SSDs, the common choice of many remains SSDs as it outpaces the traditional storing device. Not only does this save on the waiting time of users, but it also decreases delays. 

SSDs are much faster than hard disks and have less latency and a faster file transferring process. 


When we talk about the pricing Hard Drive Disks are certainly cheaper per gigabyte than SSDs. However, in a broader light, SSDs have become more affordable than their predecessor rates. 

If we compare the two, then a 2.5-inch HDD of 1TB will cost between $40 to 60, whereas an SSD with the same capacity would be around $100. So, it is true that HDDs are relatively low-priced, but in the coming years, SSDs will also have more reasonable rates. 


Coming to an essential point when going for a device, and that is how it performs. When it comes to the performance of hard disk drives, they have a speed of processing of 500 MB/s or megabytes per second. 

On the other hand, SSDs prove to have improved performance with a speed of 7000 megabytes per second. We can understand this with an example. Let’s say you want to copy a file that is about 20 GB in size. In the case of SSDs, this work would take you up to 10 seconds. However, this same task would take you longer and about 2 minutes to carry out with a hard disk drive. 


One of the main differences many users come across when deciding which storage device to choose is the capacity of hard disk drives and SSDs. 

Firstly, HDDs currently come with around 20 TB of storage thanks to continuous capacity growth. 

As for SSDs, modern SSDs come in sizes from up to 120 GB to more than 30 TB. 

Lifespan and Noise

Hard Disk Drives are considered more stable and reliable for storing data for long periods of time when compared to Solid State Drives. This is because SSDs have data leaks after using for a prolonged time. Also, if the TBW has reached its maximum limit, they become less efficient. 

One of the first things people notice when they open a computer is the sound of hard disk drives spinning, which can be heard even from a few meters away. This is because of the mechanical components inside an HDD. On the other hand, SSDs do not have moving parts and thus are quieter than HDDs. 

Reliability and Power

The performance of the drives is not all that matters. The reliability advantage of SSDs is also very important. SSDs are not just faster than HDDs. They are also more reliable.

This is because SSDs have no moving parts, which means they don’t have any mechanical failures like HDDs do. In addition, SSDs can also use a smaller amount of power than HDDs because they have more cell area per drive.

Any disk array with an SSD paired with a spinning-disk drive will always be faster and more reliable than an HDD array.

Final Verdict

Overall, we discussed the numerous features and capabilities of both storage devices- hard disk drives and SSDs. In all, SSDs seem to outperform hard disk drives in many aspects as they not only have better speed, lesser noise, and faster operation.

However, hard disk drives are still a common choice among many users today, given how their capabilities have grown over the years. 


Altogether, both HDD and SSD are popular storage devices. The one best suited for your needs is what you should go for. This article gives you a good idea of what these storage devices are and their advantages and disadvantages. 

Analyze the different features and plus points of both hard disk drive and SSD to make the right decision. 

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