Western Digital Purple Surveillance 3.5" Internal Drives (Available in 1T, 2T, 3T, 4T, 6T)
 
Size: 1TB
Part # WD10PURZ
 
Size: 2TB
Part # WD20PURZ
 
Size: 3TB
Part # WD30PURZ
 
Size: 4TB
Part # WD40PURZ
 
Size: 6TB
Part # WD60PURZ
 
Performance
Interface : SATA 6.0 Gb/s
Capacity : (Available in 1TB, 2TB, 3TB, 4TB, 6TB)
RPM : 5400 (5700 on selected models)
Cache : 64MB (128MB on selected models)
 
Features
Built for 24/7 surveillance
AllFrame technology for better performance
Designed to support up to 64 HD cameras
Engineered for compatibility
 
Dimensions
Form Factor : 3.5"
Height (maximum) : 25.40mm
Width  (maximum) : 76.20mm
Length (maximum) : 101.600mm
 
Warranty
Limited Warranty Period (parts) : 3years
Limited Warranty Period (labor) : 3 years