Overdraft Protection Through Linked Accounts. This is an optional service you can add when you have both a Checking and Savings Account by linking your SoFi Checking Account and your SoFi Savings Account. If you opt to link the Accounts, we will use available funds in your SoFi Savings Account to pay Overdrafts in your SoFi Checking Account. SoFi will not charge a fee for such transfers. Please note that the funds applied to this overdraft protection feature will be limited to Savings Account deposits which are not allocated to a Vault. If you accept a SoFi Bank Pay in 4 loan but have insufficient funds in your SoFi Checking Account to complete any installment payment, SoFi Bank will use available funds in your SoFi Savings Account to pay the outstanding amount. Please refer to the SoFi Pay in 4 Terms and Conditions, which can be found on the SoFi Mobile App and on the SoFi website, for additional details.