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Powered by a high-performance AMD R-Series quad-core processor with up to 64GB DDR4 RAM, the TS-873U features dual 10GbE SFP+ ports and provides two M.2 SATA 6Gb/s SSD slots that allows the greatest flexibility in tiered storage configuration and enables cache acceleration. This powerful hardware can also double the encrypted file transfer performance with AES-NI encryption acceleration. The TS-873U is designed for small and medium-sized businesses looking for private cloud, cross-platform file sharing and collaboration, efficient backup/restoration, storage for virtualization, and to future-proof their IT infrastructure for 10GbE networks with maximized ROI.


• CPU: AMD R-Series RX-421ND quad-core 2.1 GHz processor, turbo core up to 3.4 GHz
• Hardware Encryption Engine: Yes, AES-NI
• System Memory: 4GB DDR4 (1 x 4GB)
• Maximum Memory : 64GB (4 x 16GB)
• Memory Slot: 4 x UDIMM DDR4
• (For dual- or quad-DIMM configurations, you must use a pair of identical DDR4 modules.)
• Flash Memory: 512MB DOM
• Drive Bay: 8 x 3.5″/2.5″ SATA 6Gb/s HDDs/SSDs
M.2 SSD Slot: 2 x M.2 2280 SATA 6Gb/s SSDs

1. The M.2 SSD is not included as standard.
2. M.2 SSD operations can easily generate excessive heat. It is recommended to install a heatsink (from QNAP or a third-party provider) on the M.2 SSD.

• 10 Gigabit Ethernet Port 2 x 10GbE SFP+ port via a preinstalled PCIe network card
• Gigabit Ethernet Port 4 x Gigabit RJ45 LAN ports
• PCIe Slot 1 x PCIe Gen 3 (x4), pre-installed with a dual-port 10GbE SFP+ LAN card
• USB Port 2 x USB 3.0 port
• 4 x USB 2.0 port
• LED Indicators: Status/Power,LAN,USB, Drive 1 – 8
• Buttons: Power/Status, Reset
• Maintenance Port: 1 x 3.5mm console port
• Form Factor: 2U Rackmunt
• Dimensions (H x W x D): 89 x 482 x 534 mm
• 3.5 x 18.98 x 21.02 inch
• Weight: Net weight: 9.85 kg (21.72 lbs.)
• Operating Temperature & Relative Humidity: 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C
• Power Supply Unit: 250W, 100-240V AC, 50/60 Hz
• Fan 2 x 70mm, 12V DC


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