Last updated: August 12, 2021

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1 TB SSD hard drives are a fast and convenient way to expand the storage space of your own or company PC or laptop. The situation can quickly arise in which the memory is full and quick help is needed. The SSD hard drive is particularly suitable for this because it is relatively easy to install, connect and handle.

We would like to help you with our big 1 TB SSD test 2021 to make your purchase decision easier and to find the right 1 TB SSD hard disk. Here we present all the 1 TB SSD hard drives that we have tested in detail. We have compiled detailed background information and an overview of the customer reviews.

You can also find answers to frequently asked questions in our guide. Furthermore, you will also find important information on this page that you need if you want to buy a 1 TB SSD hard drive.


  • SSD stands for Solid State Disk, which means semiconductor hard disk. They work similarly to a USB stick with a flash memory that has no moving parts
  • If you need a portable hard drive, an external 1TB SSD is right for you, but if you want to add storage to your computer, you can also install an internal 1TB SSD in it
  • Depending on the type of connection you choose for your 1TB SSD, the read and write speed can vary greatly, i.e. the memory works slower or faster

The Best 1 TB SSD: Our Picks

Guide: Questions you should ask yourself before buying a 1 TB SSD hard disk drive


SSDs are handy and quiet: The perfect storage addition for everyone. When you buy an SSD, you benefit from its small size and fast performance. But even here, depending on the type of connection, there are different speeds for reading and (Image source: Appel /

Who is a 1 TB SSD suitable for?

A 1 TB SSD hard drive is suitable for anyone who wants to expand their storage space on a PC or laptop.

Depending on whether you work on the move or not, the shape of the SSD hard drive can be a factor in the purchase decision. If you need a lot of storage space, a hard drive with more storage space may be more suitable.

Because SSD hard drives are very light and only have a small size, they are very handy and are very suitable if you run out of your own memory to create more space to store more daren.

What are the alternatives to the 1 TB SSD?

An alternative to the 1 TB SSD is a hard disc drive. This is also available in larger storage capacities than SSD hard drives. There are HDD and SSD models with a wide range of storage sizes, so you can find the right capacity for you.

Different storage sizes are offered for SSD and HDD.

If you are looking for a mobile way to access your data, many providers also offer online storage, such as Google Drive or the Apple Cloud. The advantage of online storage is that you can access it from anywhere that has internet. The disadvantage is that you can only access the corresponding files with the internet.

Therefore, online storage extensions are not very suitable, for example, to speed up your computer or to outsource programmes, which is, however, quite possible with SSD hard drives.

Alternative Feature
HDD hard drive An internal hard drive, but is more expandable than the SSD hard drive and works with moving parts, therefore not mobile
Google Drive Can be accessed online at any time, loading times are longer
Apple Cloud Can be accessed online at any time, loading times are longer

Decision section: What types of 1 TB SSD are there?

Basically, a distinction is made between two different types of 1 TB SSDs:

  • internal 1 TB SSD
  • external 1 TB SSD

Both options offer advantages and disadvantages, which are primarily determined by the user's own PC equipment and the intended use. This includes factors such as mobility or whether the PC is a fixed PC or a laptop.


The practical external hard drive is handy and can be easily connected to the PC with the cable. You can decide whether to use USB 3.0 or a Thunderbolt connection. However, you should not choose a USB 2.0 connection because the read and write speed of your hard drive can be significantly lower. (Image source: Barth/

What are the advantages and disadvantages of a 1 TB SSD?

If you install a 1 TB SSD internally, you have the great advantage of not having any external devices around you. This is not annoying with a fixed PC, but as soon as you have a laptop and it is always necessary to carry around a 1 TB SSD, it can quickly become annoying.

Another big advantage of mounting your hard drive directly into your PC or laptop is the read and write speed. While a hard drive can often slow down with a USB connection, direct connection can result in much faster speeds.

In addition, internal SSDs allow more write cycles and thus have a longer lifespan than similar competing models. However, it can also be difficult if your SSD drive breaks because you have to remove it first. You also have to take the whole PC with you if you want to take it with you

  • Everything compact in one place
  • Very fast read and write speed
  • Long life due to more write cycles (compared to external SSD)
  • Not easy to remove
  • Unhandy because you have to take the whole PC with you
  • More difficult to install than external SSD

What are the advantages and disadvantages of an external 1 TB SSD?

Is your computer's storage space full again and you're being overwhelmed with error messages? Are you looking for a short-term solution to expand your storage space? Then an external 1 TB SSD hard drive is exactly what you need!


Thanks to its small size, the SSD can be installed in your laptop. But again, there are different sizes available, with the most common sizes being 2.5 and 3.5 inches. Although the smaller models often cost more, it can be worth buying them, especially for small laptops, because a larger hard disk cannot be installed in them at all. (Image source: Kardigan/

It can be installed in just a few steps and connected to your computer via USB, for example. In just a few minutes, you have a terabyte of storage space for videos and media!

The big plus is the mobility of the 1 TB SSD, for example, if you have to change your location from time to time because you sometimes work in your home office and sometimes in the office, you can easily take all your important data with you.

However, you should make sure that your computer has at least a 3.0 USB port, because data transfer is up to ten times faster with this port than with a USB 2.0 port.

  • Easy to connect via USB
  • Portable so you can take it anywhere
  • Slow if you don't have a USB 3.0 port
  • Often slower than internal hard drives

Buying criteria for 1 TB SSD hard drives

You want to buy an SSD hard drive? In the following we would like to show you which criteria you can use to evaluate 1 TB SSD hard drives and make your decision. This will make it easier for you to decide on a specific product.

In summary, these are

Connection method of 1 TB SSD hard drives

1 TB SSD hard drives can be connected to the computer in a variety of ways. How the connection is made depends primarily on whether you want to connect an internal or an external 1 TB SSD hard disk.

Connection types for internal 1 TB SSD hard drives

If you have chosen an internal 1 TB SSD, you can connect it to your computer in three different ways. You will either need to open the case of your computer or the sleeve of your laptop. If you don't know how to do this, you should hire a professional:

  1. SATA
  2. PCIe
  3. m.2

Connection types for external 1 TB SSD hard drives

External 1 TB SSD hard drives can be connected in two different ways:

  1. USB
  2. Thunderbolt

However, it should be noted that at least one USB 3.0 port is available because data transfer for USB 2.0 is about 10 times slower than for the newer version. Thus, many applications are not possible with the old version.

To connect the 1 TB SSD, you can simply use the corresponding Thunderbolt or USB cable.

Size and height of 1 TB SSD hard drives

The size and height of 1 TB SSD hard drives vary between the different models. A basic distinction must be made between the internal and the external hard drive.

With the internal 1 TB SSD, the size is more important because it can no longer fit into the housing of your laptop or computer even with slight deviations. With internal 1 TB SSDs, you basically have to choose between 2 sizes

  1. 2.5 inch form factor
  2. M.2 form factor

Internal 1 TB SSD:

  1. Size and height: 2.5 inch form factor or M.2 form factor
  2. External: Size and height: 2.5 inch or 3.5 inch

Read and write speed of 1 TB SSD hard disks

The read and write speed of 1 TB SSDs is standardised between 500 MB/s and 560 MB/s, there are no big differences here. The speed differences mainly depend on how your 1 TB SSD is connected to your computer or laptop.

If you need a fast connection, you should therefore pay attention to the connection type of your 1 TB SSD hard disk when buying it.

Design for 1 TB SSD hard drives (external)

Of course, only external 1 TB SSD hard drives have a relevant design. Since you install internal 1 TB SSDs directly in your PC, the design does not really play a role here.

However, if you decide to buy an external SSD, you can choose from a wide range of different designs. It's best to look out for awards such as water resistance and dust resistance, so that nothing happens to your hard drive during transport.

How do I install a 1 TB SSD hard drive?

How you install a 1 TB SSD hard disk is important above all for the internal hard disks, because of course you only have to connect the external 1 TB SSD with the Thunderbolt or USB cable.

For the installation of internal 1 TB SSD hard disks, you must first check whether your device still has enough space. Depending on whether you have chosen an M.2, PCIe or SATA connection, you should connect the 1 TB SSD hard drive with an appropriate cable.

1 TB SSD hard drives are suitable for many different devices.
(Image source: Kardigan/

Most of the time, the appropriate cables are included with the purchase, but be sure to check before you buy, because most of the time, all of the available cables are already assigned in a prefabricated PC or laptop. If necessary, buy a cable with a suitable connection.

Then you should connect the cable to the motherboard of the computer to establish a connection. If this works, the next time you start your machine, you should see the additional 1TB SSD drive in your Finder. You can then close the cover of your device.

However, when positioning your 1 TB SSD hard drive, be sure to place it securely to avoid free play. This is especially important for portable devices such as laptops.

What does the abbreviation of SSD hard disk mean?

The term SSD stands for "solid-state drive". In German it is also sometimes called "semiconductor drive". This is in contrast to its sister, the HDD hard drive. This term stands for "hard disc drive". Unlike the latter, the SSD hard drive does not work with moving individual parts.

What should I look for in an SSD hard drive?

In general, you should take good care of it and defragment it regularly. This helps to remove unnecessary files from the drive and ensures a longer life for your 1 TB SSD hard drive.

Image source: Sawangsri /