TS-473A-8GCPU AMD Ryzen™ Embedded V1500B 4-core/8-thread 2.2 GHz processorCPU Architecture 64-bit x86Graphic Processors Optional via a PCIe adapterFloating Point Unit Encryption Engine (AES-NI)Hardware-accelerated Transcoding Optional via a PCIe adapterSystem Memory 8 GB SODIMM DDR4 (1 x 8 GB)Maximum Memory 64 GB (2 x 32 GB)Memory Slot 2 x SODIMM DDR4Support ECC memoryFor dual-DIMM configurations, you must use a pair of identical DDR4 modules.Flash Memory 5GB (Dual boot OS protection)Drive Bay 4 x 3.5-inch SATA 6Gb/s, 3Gb/sDrive Compatibility 3.5-inch SATA hard disk drives2.5-inch SATA solid state drivesHot-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 slotsThe 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(2.5G/1G/100M)5 Gigabit Ethernet Port (5G/2.5G/1G/100M) Optional via a PCIe adapter10 Gigabit Ethernet Port Optional via a PCIe adapterWake on LAN (WOL) Jumbo Frame PCIe Slot 2Slot 1: PCIe Gen 3 x4Slot 2: PCIe Gen 3 x4USB 3.2 Gen 2 (10Gbps) Port 3 x Type-A USB 3.2 Gen 2 5V/1A 10Gbps1 x Type-C USB 3.2 Gen 1 5V/1A 5GbpsHDMI Output Optional via a PCIe adapterForm Factor TowerLED Indicators Status/Power, USB, LAN, Drive 1-4, M.2 SSD 1-2Buttons Power, Reset, USB Auto CopyDimensions (HxWxD) 188.2 × 199.3 × 280.8 mmWeight (Net) 5.03 kgWeight (Gross) 6.04 kgPower Supply Unit 250W, 100-240V AC, 50-60Hz, 3.5APower Consumption: HDD Sleep Mode 19.576 WPower Consumption: Operating Mode, Typical 29.792 WTested with drives fully populated.Fan System fan: 1 x 120mmCPU fan: 1 x 60mmSystem Warning Buzzer