What is the difference between SSD and HDD in 2021?

What is the difference between SSD and HDD

Are you searching for the Difference between SSD and HDD or SSD vs HDD?

You are in the right place. Do you know which storage space will be more prevalent in the coming time? If you want to learn more about which storage is best, please read the entire article carefully.

In the past few years, the use of hard drives in our computers meant only one thing: mechanical spinning disks (hard drives for short) or HDDs for fast, but now the time has changed.

Technology will get better and better, and now, you are more likely to have the fastest solid-state drive SSD on your laptop or PC. The latest super high-speed SSD is essentially a collection of memory chips, which have many things familiar with USB flash drives or SD cards.

This article will make a comprehensive comparison between solid-state drives (SSD) and hard drives (HDD), including speed, price, performance, etc.

In this article, we will understand the difference between SSD and HDD. Before discussing these differences, let us know what HDD is? What is SSD?

What is a Hard disk drive (HDD)

What is the difference between SSD and HDD - WD Blue HDD

A hard drive is a non-volatile data storage device, sometimes compressed as a hard drive, HD, or HDD. It is usually installed in a laptop, inside the computer, and directly connected to the computer motherboard’s disk controller.

It contains one or more plates placed in an airtight enclosure. Data is written to the disk using a magnetic head, and the disk moves quickly on the disk as it rotates.

Hard disk drives are the most common data storage media in the world. In the past many years, we used 3.5-inch physical size hard drives in computers. Later in notebook computers, 2.5-inch physical size hard drives were usually used.

Over the years, hard drives have been found in every laptop and computer. Still, now the technology is better, and hard drives are slightly reduced.

According to this year’s standards, hard drives are the most economical way to store data locally. The price of storing data on hard drives is also very low.

Advantages of a Hard Disk drive (HDD)

Hard drives are reasonably priced due to their capacity. When you don’t need to access data every day, they are ideal for general-purpose archive storage devices. However, the HDD is limited to the speed at which it spins on the disc to access and display its information and SSD.

The hard drive has a lot of advantages as if you can store large amounts of data in less money. Also, if you want to use HDD on each computer.

What is SSD storage?

Samsung SSD

Solid-state drives are a new generation of storage devices used in the latest laptops and computers, and SSD stands for solid-state drives.

In SSD, you won’t get any moving parts like in HDD; just like a circuit, all data is stored in non-volatile flash memory. This means that no needles need to be moved to read or write data, and they are much faster than SATA drives.

In the near future, SSD will become the most popular product because it has more powerful features. If you compare it with HDD, it will also be speedy. It is difficult to find the speed of SSD because it depends on the brand and manufacturing unit, but we can say that it is faster than HDD.

The price of SSD storage is very high because there are fewer opportunities for Crack, and it costs more to make it. SSD drives range from approximately 128 GB to 2 TB, and the price is 2-4 times the price of a SATA hard drive of the same size due to performance, but it is worth it.

Because there are no moving parts, these drives are also more durable. They have a form factor specially built for laptops, making them ideal for storage on the go.

Nowadays, if you don’t have SSD storage, you don’t need to buy any laptop desktops.

It is generally recommended to use SSD to load the operating system faster, run programs and high-performance files. On rotating hard drives, large amounts of data can still be stored and accessed well.

Advantages of a solid-state drive (SSD)

Let’s talk about the advantages of using SSD. You will get many benefits from SSD because it contains electronic components, which means there is less chance of being damaged. It uses low-latency flash memory (such as flash memory in cameras and smartphones) and stores data in contiguous areas in the SSD chip, and uses (or erases and reuses) as needed.

SSD vs HDD: Cost

If we talk about the price of SSD, there were a lot of them before, but now it is slowly falling. If you compare it with SSD, the cost of ordinary HDD storage is very low.

The price of external storage is slightly higher. In comparison, the cost of internal storage is lower, so please buy whatever you need. We have given some price estimates; you can check the price online or offline; the price will be nearby.

SSD Price

  1. 256GB —- 30$ – 40$
  2. 512GB —- 50$ – 804
  3. 1TB — 100$ – 150$
  4. 2TB — 120$ – 200$

HDD Price

  1. 256GB —- 20$ – 30$
  2. 512GB —- 25$ – 50$
  3. 1TB — 30$ – 70$
  4. 2TB — 40$ – 60$
  5. 4TB — 70$ – 100$
  6. 8TB — 150$ – 300$

The final difference is that ordinary HDDs are cheaper, while solid-state drives (SSDs) are more expensive.

SSD vs HDD: Size

SSD is small and lightweight so that you can carry it with you, but HDD is more significant and bigger. Due to the more compact structure, the size and weight of the SSD are much smaller compared with the HDD of the same capacity.

Its business cards are smaller than ordinary business cards. Yet, they weigh very little, so you can carry terabytes of data in your pocket, making this device an ideal partner for someone on the go.

SSD vs HDD: Storage Capacity

If you are looking for large storage space equipment at a low price, HDD will have an advantage. General-purpose hard drives have a wide range of capacities, ranging from 128GB to 8TB. If you want to buy something more extensive than this, you can easily buy it online or offline.

SSDs can also use various capacities and huge storage space. Still, an SSD with a given capacity is much more expensive than an HDD of almost the same capacity. The capacity of the solid-state drive ranges from 64GB to 2TB and is easily available. If you want to buy something more extensive than this in the near future, you can easily buy it online or offline.

Therefore, when your primary motivation is to store large amounts of data at a low cost, hard drives are a better choice than SSDs.

SSD vs HDD: Performance

Check The Performace

There is a lot of difference between SSD and HDD. If you move from HDD storage to SSD storage, the performance difference will be immediately apparent. Using a traditional hard drive, a Windows computer may take several minutes to boot. While booting from an SSD can be completed in a few seconds, which is far less than an HDD.

All operations performed with SSD are faster than HDD. It is worth noting that: read files, save files, start applications, and more operations.

The point is that there is no competition between SSD and HDD because SSD is much faster than HDD. Also, even if the hard disk drive is full, SSDs will not slow down over time as with HDDs. SSD is more expensive than HDD.

SSD vs HDD:Battery Life

If you compare a solid-state drive (SSD) with an ordinary HDD, it is the most efficient. Since SSDs are made of electronic circuits and are more than hard drives, SSDs follow power efficiency.

Generally, if there is any storage device, the storage device will not affect the portable computer’s battery life. Battery life depends on battery power, processing capacity, display size, etc.

Durability & Reliability

Now, you think that SSD is much better than any hard disk, and you think it is completely correct. However, when it comes to the service life of SSDs and HDDs, another situation arises.

The durability and reliability of any storage drive depend on many factors, such as the amount of data written over time, how the drive is used, environmental conditions, and the life of the drive.

General-purpose SSD is more durable than HDD because no one can rotate the SSD, so it can also be used in harsh conditions.

In addition, environmental conditions and the life of the drive also determine the life of the drive. Factors such as temperature and humidity can affect these drives. Humidity will cause the metal inside the drive to oxidize. People think that the data stored in these drives will always exist, which is incorrect.

The data stored on the hard disk drive will be degraded, and the data on the solid-state hard drive will also be degraded because the solid-state drive stores the data as electric charges and leaks over time.

The work of the SSD will cause the battery to wear out, which gradually reduces its performance until the drive is ejected. Therefore, even if you trap HDDs in bulky storage space and need to defragment them, they will usually last longer if you plan to use the same hardware for several years.

SSD vs HDD: Security

The SSDs and HDDs are based on software-based encryption, even if both storage devices have secure passwords. The data passes through an algorithm that encrypts the data when it is written to the disk and decrypts the data when it is read. This function is simple and cheap, but the password is vulnerable to storage system hackers.

Software-based encryption also puts a burden on processor resources. The need for encryption managed by encryption processors has been successful. The encryption device is located in the chip or microprocessor of the SSD and HDD.


Q1. Which one should we choose?

Which storage driver to buy depends on your complete dependence because you think which drive is the best; if budget access has arrived, you can live this life because the SSD is speedy and may be damaged. If we talk about hard drives, there are fewer of them, and you will get many students at a low price.

Let me tell you a better choice if you have a little SSD on your laptop or PC hard drive. If you install the operating system in a solid-state drive, then your system needs Within a short period.

The SSD will start your system, and the hard disk will be used to store your data, such as image, audio, and video files. This option software activity will run at the fastest speed and will pass through at the fastest speed.

Q2. Should I buy a dual-storage laptop or computer?

All laptop and computer manufacturers have introduced laptops and computers with both HDD and SSD. So, in general, is it good to install SSD and hard disk in laptops and computers? You need to buy at least the 128GB SSD that comes with the HDD.

The capacity of SSD is expanded than that of ordinary HDD, so you can easily store data in HDD and install bias in SSD. If you have more money in your wallet, you can choose SSD-only laptops and computers.

Q3. Is a 256GB SSD better than a 1TB hard drive?

Absolutely not, It depends on some specific situation.

SSD boosts any laptop or computer booting speed and it takes very little time to go to the shutdown or in the sleep mode.

If your laptop’s operating system is starting on Primary Storage SSD, then 256GB SSD will be a better option than a 1TB HDD.

But if you want to store big data for a long time and you do not have enough budget, then the hard dicks will have a better option because the price of SSD is very high and the data can be started for many years.

HDD will be better in this condition than the Solid State Drive.

We always recommend before buying a laptop or computer, you have kept the SSD as the primary storage and secondary storage take the HDD or other types.


SSD and HDD, before buying any of these two storage devices, you must first understand your needs. If your primary motivation is to store data, you can also use HDD for storage if you want longevity. Such an SSD will be a better option, and it will be slightly expanded.

If you have to store data at a lower price, it is better to use an HDD. We hope you understand this point we mentioned above, and we will keep updating it.

The laptops launched today can provide solid-state drive storage in a storage slot, so if you want laptops, desktops, and personal computers, you can buy them via SSD.

If you like watching videos, please choose the same option to provide hard drives with at least 128GB SSD. Finally, we conclude the difference between SSD and HDD.

Among all mobile phones, one thing is obvious. The main difference between the two mobile phones is that solid-state drives are faster than hard drives and are more expensive. If you compare them with hard drives, they have less chance of being damaged.

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I am Ali, a Software Engineer. I love the latest technology as well as Digital Marketing. Also, I Love to Write about the latest and upcoming technologies and Gadgets. I Love to travel around the world and learn new things. Hire me for Freelance writing and Digital Marketing. Contact Send email

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