WD Purple 4TB Surveillance Hard Drive 5400RPM SATA III 3.5"
The WD Purple WD44PURZ 4TB Surveillance Hard Drive is purpose-built for modern CCTV, NVR and DVR security systems that operate around the clock. Engineered specifically for surveillance workloads, it delivers reliable, continuous recording performance across multiple high-definition camera streams.
Unlike standard desktop hard drives, WD Purple drives are optimised for write-intensive environments, prioritising sustained data capture to ensure critical footage is never missed. With support for high workloads, multi-bay systems, and tarnish-resistant components, this drive is an ideal choice for professional and commercial surveillance installations.
Key Features & Benefits
✔ Designed specifically for CCTV, DVR and NVR surveillance systems
✔ Optimised for 24/7 continuous recording environments
✔ Supports workload rates up to 180TB per year
✔ Tuned for write-intensive, low bit-rate, high stream-count workloads
✔ Prioritised write operations for reliable video capture
✔ Supports systems with more than eight drive bays
✔ TLER ATA streaming support reduces dropped frames
✔ Tarnish-resistant components for enhanced durability
✔ Ideal for HD and multi-camera security installations
TECHNICAL SPECIFICATIONS
Model
WD Purple WD44PURZ
Capacity
4TB
Form Factor
3.5 inch
Interface
SATA III (6.0Gb/s)
Rotational Speed
5400RPM
Cache
128MB
Workload Rating
Up to 180TB per year
Optimisation
Surveillance-specific firmware for continuous write workloads
Multi-Bay Support
Supports more than 8 drive bays (4TB and above)
Streaming Support
TLER ATA streaming enabled
Drive Type
Internal surveillance hard drive
Packaging
OEM – supplied in anti-static bag
WHY CHOOSE WD PURPLE
WD Purple drives are engineered from the ground up for surveillance systems, delivering consistent performance where standard desktop drives fall short. With firmware tuned for uninterrupted recording, enhanced reliability under heavy workloads, and proven durability in multi-bay environments, WD Purple is trusted by security professionals worldwide.
If you are building or upgrading a CCTV, DVR or NVR system that must run 24/7 without compromise, the WD Purple 4TB hard drive is the dependable storage solution designed to capture every moment.