burat, i just bought a chenming 901a , its exactly the same as antec sx1240. they do make them for antec, i paid 139.00 for mine w/300wat p/s, antec wants 189.00. i bought mine from isitoday.com send email to Tom Iannelli, he is pres of the company,and is great to deal with.(tom@isitoday.com)...