WD64PURZ -6TB WD Purple Surveillance Hard Drive - 6TB Product Specifications General Specifications Capacity 6TB Form Factor 3.5-Inch Connector SATA Interface SATA Transfer Rate up to 175MB/s Recording Technology CMR Cache Size 256MB Warranty 3-Year Limited Warranty Dimensions (L x W x H) 5.79" x 4" x 1.03" Weight 570gms Model Number WD64PURZ Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Product Features Feature 1 Engineered for mainstream surveillance systems Feature 2 WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications Feature 3 Supports up to 180TB/yr workload rate and up to 16 bays Compatibility HD Cameras Support Up to 64 HD cameras Drive Bays Up to 16 drive bays Firmware Technology AllFrame firmware technology

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WD44PURZ-4TB WD Purple Surveillance Hard Drive - 4TB Product Specifications General Specifications Capacity 4TB Form Factor 3.5-Inch Connector SATA Interface SATA Transfer Rate up to 175MB/s Recording Technology CMR Cache Size 128MB Warranty 3-Year Limited Warranty Dimensions (L x W x H) 5.79" x 4" x 1.03" Weight 1.21lbs Model Number WD44PURZ Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Product Features Feature 1 Engineered for mainstream surveillance systems Feature 2 WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications Feature 3 Supports up to 180TB/yr workload rate and up to 16 bays Compatibility HD Cameras Support Up to 64 HD cameras Drive Bays Up to 16 drive bays Firmware Technology AllFrame firmware technology

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WD23PURZ-2T WD Purple Surveillance Hard Drive - 2TB Product Specifications General Specifications Capacity 2TB Form Factor 3.5-Inch Connector SATA Interface SATA Transfer Rate up to 175MB/s Recording Technology CMR Cache Size 256MB Warranty 3-Year Limited Warranty Dimensions (L x W x H) 5.79" x 4" x 1.03" Weight 450gms Model Number WD23PURZ Operating Temperature 0°C to 65°C Non-Operating Temperature -40°C to 70°C Product Features Feature 1 Engineered for mainstream surveillance systems Feature 2 WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications Feature 3 Supports up to 180TB/yr workload rate and up to 16 bays Compatibility HD Cameras Support Up to 64 HD cameras Drive Bays Up to 16 drive bays Firmware Technology AllFrame firmware technology

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