I like what TerraMaster is doing with NAS servers in general; the brand polished its software last year, delivering a clean interface with plenty of useful features. At the same time, it refreshed its design, with new models like the F4-424 Max coming with a sleek design and better ventilation.
Where the brand really stands out is with its all-SSD enclosures such as the F8 SSD and F8 SSD Plus, and they let you make the switch to M.2 storage with minimum hassle. Now, TerraMaster took the idea of the F4 SSD and turned it into just a storage drive, resulting in the D4 SSD. This is just an SSD enclosure that can house four 8TB M.2 2280 drives, giving you 32TB of storage.
The D4 SSD doesn't have any internal hardware, so you can't use it as a NAS. However, if you need to extend the storage of

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