4TB Hard Drive, For Use with Dahua NVRs and HDCVI DVRs, Firmware Optimized for Continuous Recording; 90% Write and 10% Read
Features:
- Designed for 24/7 Security-optimized Hard Drive Applications
- Engineered for Workloads up to 180 TB/year
- Capacity Up to 10 TB, Supports 64 Cameras per Drive
- Low Power Consumption and Startup Current
- Tarnish-resistant Components to Minimize Environmental Effects
| DHHDDA1T | DHHDDA2T | DHHDDA3T | DHHDDA4T | |
| Capacity | 1 TB | 2 TB | 3 TB | 4 TB |
| Interface | SATA 6 GB/s | SATA 6 GB/s | SATA 6 GB/s | SATA 6 GB/s |
| Cameras Supported | up to 64 | up to 64 | up to 64 | up to 64 |
| Cache | 64 MB | 256 MB | 256 MB | 256 MB |
Maximum Sustained Transfer Rate | 180 MB/s | 180 MB/s | 180 MB/s | 180 MB/s |
| Startup Current, (typical at 12 V) | 1.8 A | 1.8 A | 1.8 A | 1.8 A |
Average Operating Power | 5.6 W | 3.7 W | 5.6 W | 3.7 W |
Average Idle Power | 4.0 W | 2.5 W | 4.0 W | 2.5 W |
| Operating Temperature | 0° C to 70° C (32° F to 158° F) | 0° C to 70° C (32° F to 158° F) | 0° C to 70° C (32° F to 158° F) | 0° C to 65° C (32 °F to 149 °F) |
| Non-operating Temperature | –40° C to 70° C (–40° F to 158° F) | –40° C to 70° C (–40° F to 158° F) | –40° C to 70° C (–40° F to 158° F) | –40 °C to 65 °C (–40 °F to 149 °F) |
| Weight | 415.0 g (0.915 lb) | 415.0 g (0.915 lb) | 490.0 g (1.08 lb) | 490.0 g (1.08 lb) |
| Dimensions, mm (in.) (H x W x D) | 20.20 x 101.85 x 146.99 (0.80 x 4.0 x 5.79) | 20.20 x 101.85 x 146.99 (0.80 x 4.0 x 5.79) | 20.20 x 101.85 x 146.99 (0.80 x 4.0 x 5.79) | 20.20 x 101.85 x 146.99 (0.80 x 4.0 x 5.79) |
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