**Product Specifications:**
**Brand:** HIKVISION
**Model:** Various models including WD42PURU-78 and WD42PURU-78
**Capacity:** 1TB, 2TB, 3TB, 4TB, 6TB, 8TB
**Form Factor:** 3.5 inches
**Cache:** 64MB
**Rotation Speed:** 5640 RPM
**Workload:** 180TB/year
**Interface:** SATA 6GB/s
**Operating Temperature:** 0°C to 65°C
**Storage Temperature:** -40°C to 70°C
**Product Dimensions:** 26.1 x 147 x 101.6mm
**Warranty:** 3 years limited warranty
**Key Features:**
Designed for compatibility with HIKVISION surveillance systems
Optimized for high temperature and continuous operation
Supports 24/7 clear streaming with ImagePerfect firmware
AllFrame4k technology for enhanced workload rating of up to 180TB/year
High reliability with MTBF up to 1.5 million hours
Seamless integration with DVRs and NVRs
Suitable for modern video surveillance systems
Enhanced workload coverage for large-scale monitoring systems
**Additional Information:**
Storage capacity may vary due to operating environment
Maximum operating temperature should not exceed 65°C for optimal performance
Workload rating is defined by user data transfer between hard drives
Actual performance may vary based on host device, usage, and configuration
**Product Display:**
Various models available, such as WD42PURU-78 and WD42PURU-78
Suitable for H.264 and H.265 surveillance systems
Storage duration per camera varies based on pixel capacity
Please note that the storage time provided is for reference only and may vary based on specific usage scenarios.