The TS-251A provides the innovative USB QuickAccess port that allows you to quickly complete the first-time NAS installation and to then directly access files and data stored on the NAS. It also supports two additional transmission modes: Ethernet NAS mode and iSCSI SAN block-based mode. Combining USB QuickAccess, NAS and iSCSI-SAN into one box, the TS-251A is a powerful but easy-to-use storage solution ideal for backup, synchronization, remote access, and entertainment. It greatly helps to boost productivity and can meet the demands of photographers and audiovisual enthusiasts for direct, quick access to files. The TS-251A is powered by a high-performance 14nm Intelョ Celeronョ N3060 dual-core 1.6GHz processor, and supports 4K video playback and transcoding.Excellent system performance, ideal for centralized management, file sharing and backupUSB QuickAccess port for accessing files without needing a network connectionSupports 4K hardware decoding and transcodes 4K H.264 videos on-the-fly or offlineEnjoy the best audio-visual experience with HDMI output and the free remote controlBuild a personal karaoke system with OceanKTVLinux Station supports Ubuntuョ with direct output via HDMIA hybrid approach to virtualization: Virtualization Station & Container StationSupports Virtual JBOD (VJBOD) to maximize the storage utilization of multiple QNAP NAS units