Quote Originally Posted by nting View Post
Swallowtail, I might be wrong, but I'm almost certain that SDHC is 4GB and up and non-SDHC is 2GB and below. So not sure if they will work in your RNS.
They are 4GB SD cards, not SDHC. 99% of 4GD cards out there are SDHC, but these Transcend ones are definitely only SD, so are compatible with SD only readers. There are instances out there of people using them in RNS510s.