$299.00 $278.00

Available on backorder

WD Purple ( WD40PURZ) Superior storage. Superior surveillance.
WD Purple drives are built for 24/7, always-on, high-definition security systems. With support for up to 8 hard drives and 32 cameras, WD Purple drives are optimized for surveillance

Product Specifications
Interface SATA 6 Gb/s

Performance Specifications
Rotational Speed IntelliPower
Buffer Size 64 MB
Load/unload Cycles 300,000 minimum

Transfer Rates
Buffer To Host (Serial ATA) 6 Gb/s (Max)

Physical Specifications
Capacity 4 TB
Form Factor 3.5 Inch
User Sectors Per Drive 7,814,037,168

Physical Dimensions
Height 26.1 mm
Depth 147 mm
Width 101.6 mm
Weight 0.68 kg

Environmental Specifications
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 250G, 2 ms

Idle Mode 26 dBA (average)
Seek Mode 0 27 dBA (average)

Temperature (Metric)
Operating -0? C to 65? C
Non-operating -40? C to 70? C

Electrical Specifications
Current Requirements
Power Dissipation
Read/Write 5.10 Watts
Idle 4.50 Watts
Standby 0.50 Watts
Sleep 0.50 Watts

Operating System
Compatibility Windows/Mac

Weight1 kg
Dimensions150 × 105 × 30 cm

3 Years


Western Digital