That will make far more difference to performance than picking a drive that looks “fast” because it’s good at sequential reads. However, if you need to do a lot of reads and writes, it’s better to choose an SSD that does those things quickly. You don’t need a fast external drive if you mainly use it for streaming music and videos. For example, SSDs can stream data much faster than they can read and write random data. Inside the PC, they include the path to the processor and how many lanes (see below) are available for data.

If speed is critical – which I doubt – then a 2TB internal drive will be faster than a 128GB or 250GB internal drive in the same class.Īn external SSD’s real-world performance will also depend on many other factors, including the type of storage and the interface chips used. However, you should be aware that big SSDs are faster than small SSDs, because the controller can write to more modules at the same time. The specific question is impossible to answer because there are so many variables.

External hard drive for macbook pro m1