TS-253Be-4G Quad-core multimedia NAS with PCIe slot for diverse application expansion and greater efficiency The TS-253Be features a simple physical design that can easily fit into office and home environments. It provides a PCIe port that can boost its functionality: a QNAP QM2 expansion card can be installed to add M.2 SSD caching/10GbE connectivity and support for Qtier auto-tiering technology, or a compatible wireless card can be installed to use the TS-253Be as a wireless access point. The TS-253Be also supports dual-channel 4K H.264/H.265 processing to provide a smooth media viewing experience on all connected devices. In addition, a wide range of productivity tools are available for use on the TS-253Be to improve work efficiency for media creators or creative professionals, while also enriching their multimedia experience. The PCIe port supports installing a 10GbE network card, a QM2 dual-port M.2 SSD/10GbE card, a USB 3.1 10Gbps card or a compatible PCIe wireless adapter.