Four percent. According to the inquiry of Anjuke official website, as of June 65438+1October 65438+April 2023, the minimum down payment ratio of the first suite of Suzhou Bank was 20%, and the interest rate was 4.0%. The second suite has been paid off: the minimum down payment ratio is 30%, and the interest rate is 4.0%. The second suite has not been paid off: except for CCB, ABC, Nanjing Bank, Bank of Communications and China Merchants Bank, the lowest interest rates are 4.4%.