Western Digital Purple. HDD capacity: 1 TB HDD speed: 5400 RPM Storage drive buffer size: 64 MB HDD size: 3.5" Interface: Serial ATA III

<div> <br /> <span style="color:#0066cc;"><span style="font-size:18px;">More cameras. More clarity. More surveillance.</span></span></div> <div>  </div> <div> Built for 24/7 always-on high-definition security systems. With a supported workload rate of up to 180 TB/yr and support for up to 64 cameras WD Purple drives are optimized for surveillance systems.</div> <div>  </div> <div> <strong>The Right Drive for the Job</strong></div> <div> WD Purple drives have been engineered specifically for the extreme demands of high temperature 24/7 surveillance systems.</div> <div>  </div> <div> <strong>Performance You Can Trust</strong></div> <div> From a worldwide leader in the storage industry WD Purple is engineered for quality video playback when you need it most.</div> <div>  </div> <div> <strong>Expand Your View to 64</strong></div> <div> WD Purple drives are optimized to support up to 64 cameras giving you flexibility to upgrade or expand your security system.</div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div> <span style="color:#0066cc;"><span style="font-size:16px;">Seamless Integration</span></span></div> <div>  </div> <div> With a wide range of industry-leading enclosures and chipsets supported you're sure to find the configuration and compatibility that's right for your NVR.</div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div> <span style="color:#0066cc;"><span style="font-size:16px;">Less Is More</span></span></div> <div>  </div> <div> Low power consumption is a must in a high-temperature always-on surveillance environment. IntelliSeek technology helps reduce damaging ambient noise and vibrations.</div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div> <span style="color:#0066cc;"><span style="font-size:16px;">What is the difference between a desktop drive and a WD Purple drive?</span></span></div> <div>  </div> <div> The WD Purple drive is designed specifically for 24/7 DVR and NVR surveillance solutions and is optimized with AllFrame 4K™ technology for system playback and performance.</div> <div>  </div> <div> WD Purple drives support 3x the workload rating of desktop drives making them more capable of handling the higher demands of video surveillance systems.</div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div>  </div> <div> <span style="color:#0066cc;"><span style="font-size:16px;">Easy backup and upgrade</span></span></div> <div>  </div> <div> Acronis True Image WD Edition software available as a free download can clone drives and backup your operating system applications settings and all of your data.</div>