QNAP (TS-469U-RP) – TS-469U-RP , Chassis : 1U, CPU : ATOM 2.13G Dual Core, RAM : 1GB DDR3, HDD No. : 4, Warranty(Years) : 2

QNAP (TS-831XU-RP-4G) – TS-831XU-RP-4G (Redundant Power Supply) 8-Bay NAS | 2U Rackmount | Annapurna Labs Alpine AL-314 Cortex-A15 1.7 GHz Quad Core RAM: 4GB DDR3 RAM | MAX RAM: 16GB DDR3 RAM | 512MB DOM Internal Storage: 8 x 3.5″ / 2.5″ SATA 6G | Hotswap External Ports: 4 x USB3.0 GbE Ports: 2 x GbE (RJ45), 2 x 10GbE (SFP+) PCI-E: 1 x PCIe Slot x2 (Gen2) OS: QTS | File System: EXT4 | RAID Level: RAID 0, 1, 5, 6, 10, JBOD Expansion Units: 2 x UX units Surveillance Station: 2 x IP Cam Licenses (up to 30) Rail-kit: RAIL-B02 (Optional) 3 Years Carry-In Warranty (Optional: Upgrade to 5 Years Carry-In / Onsite Warranty)