This is partially true as solid state drives and USB flash drives both use the same type of non-volatile memory chips that retain their information even when they have no power.
Nke a bụ eziokwu dịka draịvụ siri ike na draịvụ USB na- eji otu ụdị ụdị nchekwa ebe nchekwa na-ejigide ozi ha ọbụna mgbe ha enweghị ikike.