How much can a 4gb memory card store

1. What is allocation unit size in formatting SD cards?The size of the cluster of hard drive partitions is the allocation unit size. Clusters form the foundation of the computer's hard disc storage arra. . 2. What allocation unit size should I use?The ideal allocation unit size for your drive can frequently depend on your disc size and operating system. A single movie file typically weighs in. . 3. What is the allocation unit size for a 128 GB SD card?USB allocation unit size for 128GB: 8096 (8kb) USB 512GB allocation unit size is 32k; USB beyond 512GB allocation unit size is 64k or higher; USB 2. [pdf]
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