4tb WD Purple Surveillance Harddisk

Description

Storage
Cache Memory: 64 MB
Performance
Interface: SATA III (6 Gb/s)
Sequential Read Speed: 110 MB/s
Sequential Write Speed: 110 MB/s
Physical
Drive Type: HDD
Form Factor: 3.5″
Noise Level: 22.0 dB (Active)
20.0 dB (Idle)
HDD Specs
Spindle Speed (RPM): 5400 – 5900 RPM
Reliability / Data Integrity
Load/Unload Cycles: 300,000
Non-Recoverable Read Errors per Bits Read: < 10 in 1014 Electrical Power Draw: 3.3 W (Active) 2.9 W (Idle) 0.7 W (Standby) Environmental Operating Shock: 30 G / 2.0 ms Storage Shock: 350 G / 2.0 ms Operating Temperature: 0 to 149°F / 0 to 65°C Storage Temperature: -40 to 158°F / -40 to 70°C General Certifications: RoHS, as per Manufacturer Dimensions (W x H x D): 1.0 x 4.0 x 5.8" / 26.1 x 101.6 x 147.0 mm Weight: 0.99 lb / 0.45 kg Packaging Info Package Weight: 1.25 lb Box Dimensions (LxWxH): 8.0 x 6.0 x 4.0" FEATURES 1TB Storage Capacity 3.5" Form Factor 6 Gb/s Data Transfer Rate 64MB Cache IntelliPower Rotational Speed 300,000 Load/Unload Cycles Surveillance Class Storage Supports 32 HD Surveillance Cameras 1 Million Hours MTBF Windows and Mac Compatible