This is an SSD drive with a 1 TB storage capacity. The form factor of this SSD is 2.5".
From Amazon
Transcend 1TB ESD370C Portable SSD USB 3.1 Gen 2 USB Type-C, Up to 1,050/950 MB/s (Ideal for desktops, laptops, on-the-go mobile devices and gaming consoles) TS1TESD370C
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