QNAP TS-253Be-2G 2-Bay NAS Intel Celeron J3455 Quad-Core ~2.3GHz 4GB DDR3L 1xPCIe 2xHDMI 4K 2xGigabit LAN 5xUSB3.0 Hot-swappable 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. CPU Intel® Celeron® J3455 quad-core 1.5 GHz, up to 2.3 GHz Encryption Acceleration (AES-NI) Graphics Intel® HD Graphics 500 System Memory 4GB DDR3L (1 x 4GB) Maximum Memory 8GB Memory Slot 2 x DDR3L SODIMM slots (For dual-DIMM configuration, you must use a pair of identical DDR3L modules.) Drive Bay Hot-swappable 2 x 3.5'/2.5' SATA 6Gb/s HDD/SSD Gigabit Ethernet Port 2 x RJ45 Gigabit LAN port 10 Gigabit Ethernet Port Optional 10 Gigabit LAN port via a PCIe expansion card USB Port 5 x USB 3.0 Type-A ports PCIe Slot 1 PCIe 2.0 x2 slot HDMI Output 2 x HDMI v1.4b, up to 3840 x 2160, 30 Hz Audio Input: 2 x 3.5mm microphone input jacks Output: speaker, 3.5mm line out jack LED Indicators Status/Power, LAN, USB, Drives Buttons Power, USB copy, Reset, Capacitive touch buttons (select, enter) IR sensor Optional QNAP RM-IR004 remote control Security Slot Kensington security slot Dimensions (H x W x D) 168 x 105 x 226 mm 6.61 x 4.13 x 8.90 inch Net Weight 1.66 kg ( 3.66 lbs )