This product is either discontinued or we cannot get that from suppliers.
Seagate DE-ST2000NX0273, 2TB, Exos Enterprise 512e Internal SAS Drive, Cache 128MB, 7200RPM.
Seagate Exos Enterprise 512e Internal 2.5" Sas Drive 2tb 6gb/s 7200rpm 5yr Wty (DE-ST2000NX0273).