2-Pack 32GB SD Memory Card, Up to 90MB/S Read, V30, U3, A1
2-Pack 32GB SD Memory Card, Up to 90MB/S Read, V30, U3, A1, Class 10 Full HD, Ideal for Entry Level and Mid-range Compact Cameras & Camcorders Why does my computer show only about 29GB instead of 32GB? Flash memroy count 1GB = 1,000,000,000 bytes; computers count 1,073,741,824 and part of the storage is used for formatting and system-related functions,so a real 32GB card shows 29.5–29.9GB. The listing says 90MB/s but I'm only getting 25–35MB/s. Is my card defective? 90MB/s is max READ speed; write is guaranteed 30MB/s (U3/V30).To get advertised speed,all four links must support it: a USB 3.0+ card...