Question Question about power supply below: 1)Are PWS-703P-1R & PWS-704P-1R interchangeable in the same chassis? 2)Is PWS-704P-1R a newer replacement model for PWS-703P-1R? Or are they completely different styles? Answer 1, PWS-703P-1R 50.0mm wide & PWS-704P-1R is 54.5mm wide, they have different wide chassis. They are same style but case wide different. Therefore is not interchangeable. 2.PWS-703P-1R is gold efficiency can be replaced by platinum PWS-707P-1R; PWS-704P-1R is gold efficiency can be replaced by platinum PWS-706P-1R. Was this FAQ helpful? YES      NO Enter Comments Below: Note: Your comments/feedback should be limited to this FAQ only. For technical support, please send an email to support@supermicro.com.  Enter your email address below if you'd like technical support staff to reply:  Please type the Captcha (no space) N E 4 B FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 22634 N/A 03/04/16     Print Answer