CREATE TABLE table_174151_5 (power_provided VARCHAR2, transfer_speed__mb_s_ VARCHAR2)

Name the power provided for transfer speed mb/s is 1250
SELECT power_provided FROM table_174151_5 WHERE transfer_speed__mb_s_ = "1250"
SELECT "power_provided" FROM "table_174151_5" WHERE "1250" = "transfer_speed__mb_s_"