Corsair EX100U Portable SSD Review: The Good, The Bad, and the Average

The Corsair EX100U is an unexceptional portable SSD that manages to pack up to 4TB with a 20 Gbps interface in a small package. It does this using TLC rather than QLC flash, which is preferred, but performance as a whole is inconsistent. The warranty is a bit on the weak side but Corsair does back it up with software and includes both popular types of USB-C cables. Pricing is not particularly competitive but this is a competent middle-of-the-road portable SSD – if you’re not looking for anything fancy.

Portable SSDs tend towards the cheaper end, for example at 10 Gbps with QLC, or at the more expensive professional end, with Thunderbolt speeds and performant TLC. Examples of both would be the Inland Platinum External and SanDisk Professional G-Drive (previously G-Technology G-Drive), respectively. It’s possible to get good sustained performance at 10 Gbps, such as with the Samsung T7 Shield, but affordable 20 Gbps options are a bit more limited, particularly if you need 4TB.

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