Migrate from SSD to SSHD?

Hi, I have an issue that I couldn't find anywhere on the forums. I recently received an SSD for christmas (32GB). I previously had Windows 8.1 installed on my other drive, a 2TB SSHD, but then re-installed W8 to my SSD, and kept my personal data on the SSHD. Now I read online that any SSD under 64GB should be used for cache'ing my SSHD, rather than using it for storage. Would it even be...