USB Flash Drive 32GB 10 Pack Thumb 2.0 High Speed USB Thumb Drive Memory Stick Jump Drive Zip Drives Pen Drive, 32 GB, 10

2GB= approximately 1.9GB-2GB 8GB = approximately 7.4GB-7.6GB 16GB = approximately 14GB-15GB 32GB = approximately 28GB-30GB 64GB= approximately 61GB-63GB