This product is either discontinued or we cannot get that from suppliers.
WD My Cloud PR4100 Pro Series 40TB 4-Bay NAS, Intel Pentium N3710 1.6 GHz Quad-Core, 4GB RAM, 2x Gigabit Ethernet, Suits Windows and Mac OS, One-touch USB copy button, 3x USB 3.0 Expansion Ports.
With space to keep virtually everything, the My Cloud Pro Series offers your creative team the network storage to edit, save and share production files from anywhere with an internet connection.