Buying guide for WD Purple 4TB Surveillance Hard Drive
Features:
- Read/Write Speed: 175 MB/s,
- RPM: 5400,
- Interface: SATA 3 600MB/s,
- Form Factor: 3.5 inch,
- Cache: 256 MB,
- Workload Capacity: 180TB/year,
- Recording Type: Conventional Magnetic Recording,
- Camera Support: WD Purple drives can handle up to 64 cameras, making them ideal for comprehensive surveillance setups.
- AllFrame Technology: Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback.
- Proactive Storage Management with WDDA, provides a wealth of storage device parametric operational and diagnostic data to the system,
- MODEL: WD Purple 4TB Surveillance Hard Drive, WD43PURZ,
- Warranty: 3 Years,
Storage Capacity of WD Purple 4TB with CCTV Cameras
- For 24/7 Day Night recording on 4 Nos. 2MP, @15fps get backup of 200 days on H.265+, 144 days on H.265, 72 days on H.264,
- For 24/7 Day Night recording on 2 Nos. 2MP + 2 Nos. 5MP, @15fps get backup of 120 days on H.265+, 80 days on H.265, 40 days on H.264,
- For 24/7 Day Night recording on 4 Nos. 5MP, @15fps get backup of 80 days on H.265+, 56 days on H.265, 28 days on H.264,
- The above calculation is only approx. actual storage for recording will depend on many other factors,
MANUFACTURERS DESCRIPTIONS:
User Manual and list of supported Drivers are available here.
Pros of HDD over SSD
- Allows constant writes while SSD has limited writes over lifetime,
- Steady and Sequential writes so no speed advantage of a SSD,
WHAT DO USERS HAVE TO SAY ABOUT WD Purple 4TB Surveillance Hard Drive?
- “This drive had 66% better transfer rates than a 2-year-old 2TB WD Green for sequential reads and writes and 93% better transfer rates for random reads and writes”
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