WD Purple WD43PURZ 4TB – 3.5" Surveillance Hard Drive with SATA 6Gb/s, CMR, 256MB Cache, AllFrame Technology & 180TB/year Workload
Overview:
• The WD Purple WD43PURZ 4TB is a 3.5-inch surveillance hard drive designed for DVR and NVR video recording systems.
• It is built for 24/7 surveillance environments, helping provide reliable recording for security applications.
• The drive uses WD AllFrame technology to help reduce dropped frames and improve video playback.
• It supports up to 64 HD cameras, up to 16 drive bays, and 180TB/year workload rating.
• The 4TB model includes 256MB cache, RV sensors, tarnish-resistant components, and a 3-year limited warranty.
Key Features:
• 4TB surveillance hard drive
• Designed for DVR and NVR systems
• 24/7 recording support
• WD AllFrame technology
• SATA 6Gb/s interface
• CMR recording technology
• 256MB cache
• Supports up to 64 HD cameras
• Supports up to 16 drive bays
• 180TB/year workload rating
• RV sensors
• Tarnish-resistant components
• MTBF up to 1,000,000 hours
• 3-year limited warranty
Technical Specifications:
• Brand: Western Digital
• Series: WD Purple
• Model Number: WD43PURZ
• Capacity: 4TB
• Form Factor: 3.5-Inch
• Interface: SATA 6Gb/s
• Recording Technology: CMR
• Advanced Format: Yes
• RoHS Compliant: Yes
• Firmware Feature: AllFrame
• Cameras Supported: Up to 64 HD Cameras
• Maximum Drive Bays Supported: 16
• Tarnish Resistant Components: Yes
• RV Sensors: Yes
• Interface Transfer Rate: 6Gb/s
• Sustained Transfer Rate: 180MB/s
• Cache: 256MB
• Load / Unload Cycles: 300,000
• Annualized Workload Rating: 180TB/year
• Non-Recoverable Read Errors: <1 in 10^14
• MTBF: 1,000,000 Hours
• Limited Warranty: 3 Years
• Read / Write Power: 4.7W
• Idle Power: 4.3W
• Standby and Sleep Power: 0.3W
• Operating Temperature: 0°C to 65°C
• Non-Operating Temperature: -40°C to 70°C
• Operating Shock Read/Write: 30G
• Operating Shock Read: 65G
• Non-Operating Shock: 250G
• Idle Acoustics: 23dBA
• Seek Acoustics: 27dBA
• Height: 26.1mm
• Length: 147mm
• Width: 101.6mm
• Weight: 0.57kg
Applications:
• DVR surveillance systems
• NVR surveillance systems
• CCTV storage expansion
• Small and medium business security
• Multi-camera HD recording
• 24/7 security recording
• Residential and commercial CCTV systems
Connect Gates Recommendation:
• Connect Gates recommends the WD Purple 4TB for small to medium CCTV systems that require reliable capacity and stable recording.
• It is suitable for projects that need good storage retention with RV sensors, 16-bay support, and surveillance-grade reliability.
• It is a practical choice for many standard NVR installations.