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Western Digital 4TB Purple NV WD4NPURX SATA 6.0Gb/s
WD offers the Power of Choice when it comes to
equipping a surveillance system for home or business
with the addition of the WD Purple™ NV hard drive.
Designed specifically for NVR digital surveillance systems,
the WD Purple NV hard drive adds support for systems with
higher drive bay configurations and up to 64 HD cameras.
WD offers the Power of Choice when it comes to equipping a surveillance system for home or business with the addition of the WD Purple™ NV hard drive. Designed specifically for NVR digital surveillance systems, the WD Purple NV hard drive adds support for systems with higher drive bay configurations and up to 64 HD cameras.
WD offers the Power of Choice when it comes to equipping a surveillance system for home or business with the addition of the WD Purple™ NV hard drive. Designed specifically for NVR digital surveillance systems, the WD Purple NV hard drive adds support for systems with higher drive bay configurations and up to 64 HD cameras. The increased number of video streams and workload capability offered with the WD Purple NV hard drive allows scalability beyond the limitations of DVR systems where only the WD Purple drive is applicable.
| Specifications | 6 TB | 4 TB |
| Model number | WD6NPURX | WD4NPURX |
| Formatted capacity | 6 TB | 4 TB |
| Form factor | 3.5-inch | 3.5-inch |
| Advanced Format (AF) | Yes | Yes |
| RoHS compliant | Yes | Yes |
| Performance | ||
| Data transfer rate (max) | ||
| Buffer to host | 6 Gb/s | 6 Gb/s |
| Host to/from drive (sustained) | 171 MB/s | 150 MB/s |
| Cache (MB) | 64 | 64 |
| Rotational speed (RPM) | IntelliPower | IntelliPower |
| Reliability/Data Integrity | ||
| Load/unload cycles | 300 | 300 |
| Non-recoverable read errors per bits read | <1 in 10M | <1 in 1014 |
| Limited warranty (years) | 3 | 3 |
| Power Management | ||
| Average power requirements (W) | ||
| Read/Write | May.90 | Nis.80 |
| Idle | Nis.90 | Nis.33 |
| Standby and Sleep | 0.40 | 0.52 |
| Environmental Specifications | ||
| Temperature (°C, on the base casting) | ||
| Operating | 0 to 65 | 0 to 65 |
| Non-operating | -40 to 70 | -40 to 70 |
| Shock (Gs) | ||
| Operating (2 ms, read/write) | 30 | 30 |
| Operating (2 ms, read) | 65 | 65 |
| Non-operating (2 ms) | 250 | 250 |
| Acoustics (dBA) | ||
| Idle | 25 | 25 |
| Seek (average) | 26 | 26 |
| Physical Dimensions | ||
| Height (in./mm, max) | 1.028/26.1 | 1.028/26.1 |
| Length (in./mm, max) | 5.787/147 | 5.787/147 |
| Width (in./mm, ± .01 in.) | 4/101.6 | 4/101.6 |
| Weight (lb./kg, ± 10%) | 1.58/0.72 | 1.50/0.68 |
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