- QVR Pro - 1, 4, or 8 Channel(s) - Additional 1, 4, or 8 channel(s) for QVR Pro - The 1, 4, and 8 channel license can only be activated if the Turbo NAS already has a QVR Pro Gold license. - QVR Pro Gold - Additional 8 channels for QVR Pro - All QVR Pro premium features including unlimited playback, unlimited QVR Center support, and Windows AD and LDAP support Supported Models - For the best user experience, we recommend using 64-bit x86 NAS models with at least 4GB RAM Supported OS - QTS versions 4.3.4.0483 build 20180213 or later - Container Station versions 1.6.1588 or later - Note: Container Station must be installed before running QVR Pro. - Recommended Web Browsers: Google Chrome versions 52.0 or later, Mozilla Firefox versions 48.0 or later - Supported Display Resolution: 1366 x 768 Note - The maximum number of QVR Pro recording channels supported is 128. The actual performance limitation depends on your use case and your camera quality and settings. - The license is issued to only one NAS and is non-transferable.