Table schema:
CREATE TABLE table_name_7 (hdd_capacity VARCHAR, _number_fdd VARCHAR, fdd_capacity__each_ VARCHAR)

Question: Tell me the HDD capacity for # FDD larger than 0 when FDD capacity is 710kb
SQL: SELECT hdd_capacity FROM table_name_7 WHERE _number_fdd > 0 AND fdd_capacity__each_ = "710kb"