TS-873A AMD Ryzen™ quad-core 2.2 GHz 2.5GbE NAS supports M.2 NVMe SSD and PCIe expansion for adding 10GbE high-speed connectivity and M.2 SSD; QTS and QuTS hero dual operating system for greater flexibility TS-873A-8G CPU AMD Ryzen™ Embedded V1500B 4-core/8-thread 2.2 GHz processor CPU Architecture 64-bit x86 Graphic Processors Optional via a PCIe adapter Floating Point Unit Encryption Engine (AES-NI) Hardware-accelerated Transcoding Optional via a PCIe adapter System Memory 8 GB SO-DIMM DDR4 (1 x 8 GB) Maximum Memory 64 GB (2 x 32 GB) Memory Slot 2 x SO-DIMM DDR4 Support ECC memory For dual-DIMM configurations, you must use a pair of identical DDR4 modules. Flash Memory 5GB (Dual boot OS protection) Drive Bay 8 x 3.5-inch SATA 6Gb/s, 3Gb/s Drive Compatibility 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives Hot-swappable The following are not hot-swappable: M.2 SSDs, SSD cache drives, SSDs using PCIe expansion slots. M.2 Slot 2 x M.2 2280 PCIe Gen3 x1 slots The M.2 SSD is not included as standard. 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. SSD Cache Acceleration Support GPU pass-through 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) Optional via a PCIe adapter 10 Gigabit Ethernet Port Optional via a PCIe adapter Wake on LAN (WOL) Jumbo Frame PCIe Slot 2 Slot 1: PCIe Gen 3 x4 Slot 2: PCIe Gen 3 x4 USB 3.2 Gen 2 (10Gbps) Port 3 x Type-A USB 3.2 Gen 2 10Gbps 1 x Type-C USB 3.2 Gen 1 5Gbps HDMI Output Optional via a PCIe adapter Form Factor Tower LED Indicators Status/Power, USB, LAN, Drive 1-8, M.2 SSD 1-2 Buttons Power, Reset, USB Auto Copy Dimensions (HxWxD) 188.2 × 329.3 × 280.8 mm Weight (Net) 6.76 kg Weight (Gross) 8.41 kg Operating temperature 0 - 40 °C (32°F - 104°F) Storage Temperature -20 - 70°C (-4°F - 158°F) Relative Humidity 5-95% RH non-condensing, wet bulb: 27°C (80.6°F) Power Supply Unit 250W, 100-240V AC, 50-60Hz, 3.5A Power Consumption: HDD Sleep Mode 25.668 W Power Consumption: Operating Mode, Typical 54.067 W Tested with drives fully populated. Fan System fan: 2 x 120mm CPU fan: 1 x 60mm System Warning Buzzer Kensington Security Slot Max. Number of Concurrent Connections (CIFS) - with Max. Memory 2000