The TS-253 Be features a simple physical design that can easily fit into office & 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/10 Gb E connectivity & support for Qtier auto-tiering technology, or a compatible wireless card can be installed to use the TS-253 Be as a wireless access point. The TS-253 Be 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-253 Be to improve work efficiency for media creators or creative professionals, while also enriching their multimedia experience. ** Extend NAS functionalities with the PCIe slot** With PCIe expansion, the TS-253 Be provides flexibility in extending NAS functionality & potential applications. Install a QNAP QM2 card to provide M.2 SSD caching/10 Gb E connectivity, or use the TS-253 Be as a wireless access point by installing a compatible wireless network card (ex. QNAP QWA-AC2600), or boost the USB (Universal Serial Bus) connectivity of the TS-253 Be by installing a USB (Universal Serial Bus) 3.1 10 Gbps card. ** Real-time video transcoding** Featuring advanced 9th-generation Intel® HD Graphics, the TS-253 Be supports dual-channel 4K H.264/H.265 hardware decoding & real-time transcoding, allowing you to convert videos to universal file formats that can be smoothly played on multiple devices. Therefore, you can easily share movies & videos stored on your NAS with family & friends for their enjoyment on a range of devices.