QNAP TS-419U+ Turbo NAS is the 4-bay, 1U chassis multi-functional network attached storage (NAS) server designed for small and mid-sized business who is looking an affordable and low-powered network storage solution. The TS-419U+ can be easily installed and maintained in the server room. It is an ideal solution for mass data backup, management and sharing. Moreover, the NAS supports excellent hardware design, outstanding performance, high system reliability and expandability, and numerous powerful software applications. It is undeniably the top-notch model in the 4-bay 1U chassis NAS market.