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SDDDC3 Black (plastic case) /SDDDC4 silver (metal case)
1. Actual capacity: Due to the difference between the manufacturer and the equipment used in the calculation standard of capacity, the actual capacity is less than the nominal capacity, which is generally about 90% of the nominal capacity, such as 32G*0.9≈ 28.8g.
2. About reading and writing speed: The USB flash disk USES 3.1 interface. The speed described in the description is official laboratory data.
3. Authenticity verification: Sandi has updated its simple anti-counterfeiting query method, scribing out the scribing layer to scan the TWO-DIMENSIONAL code to distinguish the authenticity; Or focus on sandi public account "Sandi customer service" contact real-time customer service, take product front and back pictures online identification.