You can use FAST as long as you have an OCBC Savings/Current account and one of the below:
OCBC Online Banking (Don't have Online Banking access? Apply now!)
OCBC ATM/Debit Card
How much can I transfer using FAST?
You can transfer up to S$50,000 per transaction via OCBC Online and Mobile Banking (subject to daily and monthly limit).
At our ATMs, you can transfer up to S$5,000 per day and S$25,000 per month.
Can I transfer to other banks which are not on FAST yet?
You can still continue to transfer funds to other banks. However, these funds will be credited within 2 – 3 working days. When adding account payee under such banks, please ensure that the correct branch names and codes are selected.