The 4TB Purple 5400 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 16 drive bays. With support for up to 64 high-definition surveillance cameras, this 4TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, AllFrame 4K technology helps improve video capturing and reduces errors, pixelation, and video interruptions that could happen in a video recorder system.
# of #
| Storage Capacity | Total: 4 TB SATA III (6 Gb/s) 3.5" HDD (5400 rpm) |
| Read Speed | Sequential: 150 MB/s |
| Write Speed | Sequential: 150 MB/s |
| Buffer | 256 MB |
HDD Specs
| Noise Level | 28.0 dB (Active) 25.0 dB (Idle) |
Reliability / Data Integrity
| Encryption | None |
| Endurance (Total Bytes Written) | 180 TB |
| Load/Unload Cycles | 300,000 |
| Mean Time Between Failures (MTBF) | 1.0 Million Hours |
| Non-Recoverable Read Errors per Bits Read | 1 in 1014 |
Electrical
| Power Draw | 5.1 W (Active) 4.5 W (Idle) 0.4 W (Standby) |
Environmental
| Operating Temperature | 32 to 149°F / 0 to 65°C |
| Storage Temperature | -40 to 158°F / -40 to 70°C |
| Operating Shock | 30 G / 2.0 ms |
| Storage Shock | 250 G / 2.0 ms |
General
| Certifications | RoHS *as per Manufacturer |
| Dimensions | 5.79 x 4.02 x 1.06" / 147.07 x 102.11 x 26.92 mm |
| Weight | 1.5 lb / 0.68 kg |
