I have a Pegasus R4 and one of the drives (Hitachi HUA723020ALA641) has gone down.
I can get a good deal on a Hitachi HUA723020ALA640 drive but dont know if it will work with my current set up.
Basically is there any differecne between the Hitachi HUA723020ALA641 and the Hitachi HUA723020ALA640? Note I would only be changing one drive so would be mixing 3 Hitachi HUA723020ALA641 and one new Hitachi HUA723020ALA640.
Thanks in advance