Thunderbolt 3 drives can only work when connected to a USB-C drive that supports Thunderbolt 3 speeds. For instance, a USB 3.1 Gen 2 SSD will work when connected with a USB 3.1 Gen 1 port on a computer, it will only have slower transfer rates.
You should also know that most external SSDs work when hooked to slower ports. And if you see an external SSD with USB 2.0 or eSATA port avoid it, transfer rates on that disk are extremely slow. The fastest SSDs use Thunderbolt 3 interface.
Today, most external SSDs use either a USB-A or USB-C port and come with a transfer cable so you shouldn’t have issues with connecting them to your computer or a console.
Thunderbolt 3 interface achieves up to 40Gbps bandwidth. USB 3.1/3.2 Gen 2 interface achieves up to 10Gbps bandwidth. USB 3.0/3.1/3.2 Gen 1 interface achieves up to 5Gbps bandwidth. External SSDs use one of the three main interfaces: But USB can be confusing since there are so many different standards and technologies, each with its own max transfer speed. While internal storage devices use SATA, M.2, or PCIe interfaces external drives are limited to the USB interface. Different Interfaces Mean Different Read And Write Speeds If you aren’t planning to move the drive around the size shouldn’t be an issue. Check dimensions of the external drive you’re interested in case you need an extremely small and portable drive. Some external SSDs are larger than others. Most people should be comfortable with 512GB capacity but if you’re working with large video files and/or always have new files to copy to your portable SSD it’s better to get a unit with at least 1TB of storage. You know the best which capacity you need so make sure to pick the right one. Let’s cover each of these points individually. And in case you have an old SSD you aren’t using, you can turn it into a portable drive for cheap. There’s also the question of compatibility with your OS. Some users need rugged drives capable of withstanding shock and falling into water. Next, you should look at the interface used to determine whether you’ll be able to achieve max read and write speed on your computer. You have drives that come with physical encryption, which is great for security-minded users. Picking an external SSD takes a few steps more than simply clicking on the desired capacity and then clicking buy.
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