Savings Connect [1]: 4.50% APY, no minimum balance, no fees
Platinum Savings [2]: 4.75% APY, min. $5000 balance to qualify for APY, but once you qualify 4.75% APY on whole balance (not just balance above $5000)
I use the savings connect personally and am considering whether or not I want to open a platinum savings account.
[1]: https://www.cit.com/cit-bank/savings-connect
[2]: https://www.cit.com/cit-bank/platinum-savings