. The TS-253B comes with a sleek new look featuring an OLED panel and two capacitive touch buttons. The TS-253B also features a PCIe port for boosting the potential applications of your NAS the QNAP QM2 expansion card can be installed for adding an M.2 SSD cache/10GbE connectivity a compatible wireless card can be installed to use the TS-253B as a wireless access point and a USB 3.1 10Gbps card can be added for easier backup to/from multiple external storage devices. With a USB Type-C QuickAccess port and a SD card slot the TS-253B simplifies transferring and sharing files without needing a network connection. The TS-253B also provides feature-rich multimedia functionality such as 4K @30Hz video playback and real-time transcoding.Powered by the latest 14 nm Intel® Celeron® J3455 quad-core 1.5GHz processor (burst up to 2.3 GHz) up to 8GB DDR3L RAM dual Gigabit LAN ports and SATA 6Gb/s the TS-253B runs tasks smoothly and quickly with up to 225 MB/s read/ write speeds. The TS-253B features Intel® AES-NI hardware-accelerated encryption to drive transfer speeds of up to 225 MB/s with AES 256-bit encryption for both full NAS volumes and shared folders boosting system performance and security while ensuring the safety of sensitive data stored in the TS-253B..