WD Purple Surveillance HDD 4TB WD40PURX-78

The WD Purple Surveillance HDD 4TB WD40PURX-78 is a hard disk drive designed for use in surveillance systems. It is built with advanced technology to ensure that it can handle the demands of continuous high-definition surveillance footage.

One of the key features of the WD Purple Surveillance HDD 4TB WD40PURX-78 is its AllFrame technology, which is designed to improve video playback and reduce frame loss by optimizing the hard drive’s caching algorithms. This technology helps to ensure that surveillance footage is recorded and played back smoothly and reliably.

Another important feature of the WD Purple Surveillance HDD 4TB WD40PURX-78 is its TLER technology, which is designed to reduce the chances of the hard drive dropping out of a RAID array due to a bad sector or other errors. This helps to ensure that surveillance footage is always available when it is needed.

The WD Purple Surveillance HDD 4TB WD40PURX-78 is also designed to handle the demands of continuous operation in surveillance systems, with a high workload rating of up to 180TB per year. It uses less power than standard desktop hard drives, making it more cost-effective to operate in large-scale surveillance systems.

Overall, the WD Purple Surveillance HDD 4TB WD40PURX-78 is a reliable and high-performance hard drive that is well-suited for use in surveillance systems where large amounts of data need to be stored and accessed quickly and reliably. It is compatible with a wide range of security systems, including DVRs, NVRs, and video surveillance systems with up to 64 cameras.

Detailed specifications :

• Capacity: 4TB
• Interface: SATA 6Gb/s
• Form Factor: 3.5-inch
• Advanced Format (AF): Yes
• RoHS compliant: Yes
• Halogen-free: Yes
• Data transfer rate (max): Buffer to host – 6Gb/s; Host to/from drive (sustained) – 130MB/s
• Cache: 64MB
• Compatibility: Designed to work with a wide range of security systems, including DVRs, NVRs, and video surveillance systems with up to 64 cameras
• Workload rating: Up to 180TB/year
• MTBF (mean time between failures): 1,500,000 hours
• Non-recoverable read errors per bits read: <1 in 10^14
• Load/unload cycles: 300,000
• Power management: Average power requirements (W): Read/Write – 5.1W; Idle – 4.5W; Standby/Sleep – 0.4W
• Operating temperature: 0°C to 65°C
• Shock (operating): 30G, 2ms
• Acoustics (idle): 23 dBA
• Acoustics (seek): 24 dBA
• Dimensions (L x W x H): 5.8 x 4 x 1.03 inches (147 x 101.6 x 26.1 mm)
• Weight: 1.50 lbs (0.68 kg)