QNAP TS-453BU-RP NAS, 4GB DDR3L, 4x 3,5"/2,5"-slots, Intel Apollo Lake, black
The TS-453BU-RP is a 1U rackmount NAS that easily fits into a standard 19-inch rack, providing an ideal storage solution in the server room for small and medium businesses. The TS-453BU-RP comes with a PCIe slot for boosting potential applications: the QNAP QM2 expansion card can be installed to add an M.2 SSD cache/10GbE connectivity, a compatible wireless card can be installed to use the TS-453BU-RP as a wireless access point, and a USB 3.1 10Gbps card can be added for easier backup to/from multiple external storage. 
The TS-453BU-RP also provides a wide range of value-added features: 4K video playback and real-time transcoding, deployment of virtual environments through Virtualization Station and Container Station, centralized management of remote Windows, Linux and IPMI-compatible devices with QRM+, and web automation services with IFTTT Agent.
• 4x USB 3.0 (Rear)
• 1x PCIe Gen 2x2 Slot
• 4GB DDR3L RAM (2x2GB)
• 4x 3,5"/2,5" HDD/SDD Slots
Dimensions(BxDxH): 439 x 499 x 44 mm
Weight: 8,16 kg