This product is either discontinued or we cannot get that from suppliers.
AMD R-Series RX-421ND quad-core 2.1 GHz processor, Turbo Core to 3.4 GHz, 64-bit x86, 8 GB UDIMM DDR4 (2 x 4 GB), 64 GB (4 x 16 GB), 4 x U-DIMM DDR4, 512MB, 8 x 3.5-inch SATA 6Gb/s, 3Gb/s, M.2 SSD Slot 2 x M.2 2280 SATA 6Gb/s slots, 2U Rackmount, HDD 1-8, Status, LAN, USB, 0 - 40 °C (32°F - 104°F), -20 - 70°C (-4°F - 158°F), Humidity 5-95% RH non-condensing, wet bulb: 27?C (80.6?F), 250W PSU, 100 - 240V.
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 allow the greatest flexibility in tiered storage configuration and enables cache acceleration.