SANDISK X300 512GB Reset to FACTORY CAPACITY

Hello,

I don’t think you get what is labeled. There is a difference on how flash memory manufacturers and Operating System providers defines One Giga byte. Also some amount of it is utilized for optimizing certain features. Check below, the SanDisk knowledgebase article that clarifies it:

http://kb.sandisk.com/app/answers/list/kw/46

I hope that answers your question.

Thanks!!!