I Have Z600 Worksration I want to updgrade HDD capacity upto 6TB or 8 TB, which HDDs are compatible

Hi.. Pl. help me to upgrade my HP Z600 workstation HDD capacity to 6TB of 8 TB. Present HDD is 1TB (ST31000524AS)

 barracuda 7200 rpm.

Pl. guide me to upgrade HDD capacity as above... Thanks looking for ur earliest reply...