P pixel51 Member Sep 17, 2012 #21 The drives seem to be the same size and shape, but are labeled slightly differently. My Computer System One
richc46 Vista Guru Gold Member Sep 17, 2012 #22 If the tray comes out very good chance that they are interchanable, if there is just a slot odds not as good. That is about all I know about it. My Computer System One Manufacturer/Model Dell XPS420 Memory 6 gig Graphics card(s) ATI Radeon HD3650 256 MB Sound Card Intergrated 7.1 Channel Audio Monitor(s) Displays Dell SP2009W 20 inch Flat Panel w Webcam Hard Drives 640 gb Cooling Fan Mouse Dell USB 4 button optical Keyboard Dell USB Other Info DSL provided by ATT
If the tray comes out very good chance that they are interchanable, if there is just a slot odds not as good. That is about all I know about it.