Warning: - The firmware can’t be downgraded to 3.8 after upgrading to QTS 4.0. QTS 4.0 OS: - Multi-window, multi-tasking web administration - Advanced system status and alert notification via Dashboard - Multiple desktop spaces - View active backup or anti-virus scanning jobs - Drag and drop or grouping icons for settings or application shortcuts - Personalized icons, shortcuts, wallpapers, and views - Quick search for finding settings or online help more easily - Access or unmount USB/eSATA storage devices easily - Built-in outgoing e-mail (SMTP) server support for Gmail, Outlook.com, Yahoo.com, etc. - Each shared folder now contains a recycle bin - Station Manager for enabling/disabling various stations New QNAP Flexible Volume: - Dynamic storage pool expansion -Instant volume expansion - Thin-provisioned volume with space reclamation - Block-based iSCSI LUN - Ease of management (dashboard, disk management, notification) - Support capacity expansion via QNAP RAID Expansion Enclosures Performance Enhancement: - SSD caching acceleration - Supports SMB 2.0 and large MTU Virtualization: - VMware VAAI for iSCSI supports full copy, block zeroing, hardware-assisted locking, and thin provisioning space reclaim. - VMware VAAI for NAS: supports full file clone, extended statistics and reserve space (QNAP VAAI for NAS plug-in is required to be installed in the ESXi host) - vSphere plug-in for QTS 4.0 - Windows Supports ODX (Offloaded Data Transfer) - Support Microsoft System Center Virtual Machine Manager (by installing QSMI-S provider) File Station (replaces Web File Manager): - Photo thumbnails for quick preview - Displays local computer files for file upload and download - Built-in video and music player - File/folder sharing via download links - File/folder compression/decompression - Folders can be added to favorites for quick access myQNAPcloud (replaces MyCloudNAS service): - Remote access with testing tool (account registration is required) - (Beta) CloudLink for remote access without complicated router settings - Device overview on myQNAPcloud.com Backup Station: - Consolidated backup center - (Beta) Smart Import for automatic photo and video import from connected digital cameras via the front USB port (Media Transfer Protocol support) - Amazon S3 backup now supports Server Side Encryption and Reduced Redundancy Storage Surveillance Station Pro 3: - Improved user interface - Support Internet Explorer, Chrome, or Firefox browsers on Windows PCs - Support over 1200 IP cameras, including fisheye cameras and ImmerVision enabled Panomorph viewing Utilities: - Qsync (beta) - Data synchronization between Turbo NAS and Windows PCs - Full sync and smart sync modes - Selective folder synchronization - Create download links for file sharing - Team folder for collaboration - Recycle bin Known Issues: - Search result shows some home features but user cannot click. - Removing two RAID 1 system swap hard drives simultaneously will cause abnormal reboot. - Vmware certification is under testing in the lab. - VAAI NAS performance might be vary based on different volume type. - Reboot is required for JBOD hdd migration.
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