TDS-h2489FU-R2-4309Y-64G CPU 2 x Intel® Xeon® Silver 4309Y 8-core/16-thread processor, up to 3.6 GHz CPU Architecture 64-bit x86 Encryption Engine (AES-NI) System Memory 64 GB RDIMM DDR4 ECC (8 x 8 GB) Maximum Memory 1 TB (32 x 32 GB) Memory Slot 32 x RDIMM DDR4 ECC (16 x slots per socket) Flash Memory 5GB (Dual boot OS protection) Drive Bay 24 (16 x 2.5-inch U.2 PCIe NVMe + 8 x 2.5-inch U.2 PCIe NVMe/SATA 6Gbps) The system is shipped without SSD. For the SSD compatibility list, please visit https://www.qnap.com/compatibility/ Drive Compatibility 2.5-inch bays: 2.5-inch SATA solid state drives (#17-24) 2.5-inch U.2 NVMe PCIe Gen4 x4 solid state drives Hot-swappable (Not supported M.2 SSD) M.2 Slot 2 Slot 1: M.2 2280 NVMe PCIe Gen 3 x4 or SATA 6Gb/s Slot 2: M.2 2280 NVMe PCIe Gen 3 x2 or SATA 6Gb/s Compatible with NVMe SSD PCIe Gen 3 and above. Please refer to https://www.qnap.com/compatibility/ for compatibility. SSD Cache Acceleration Support SR-IOV 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 4 (2.5G/1G/100M/10M) 25 Gigabit Ethernet Port 2 x 25GbE SFP28 SmartNIC port Wake on LAN (WOL) Only the 2.5GbE port Jumbo Frame PCIe Slot 4 Slot 1: PCIe Gen4 x16 or Gen4 x8* Slot 2: PCIe Gen4 x8 Slot 3: PCIe Gen4 x16 or Gen4 x8* Slot 4: PCIe Gen4 x8 *Slot 4 is preinstalled with a 25GbE network adapter. **Slot 1 provides the width of PCIe Gen4 x16 when Slot 2 is not in use, and provides the width of PCIe Gen4 x8 when Slot 2 is in use. **Slot 3 provides the width of PCIe Gen4 x16 when Slot 4 is not in use, and provides the width of PCIe Gen4 x8 when Slot 4 is in use. Card dimensions for PCIe slot 1:225 x 68.9 x 39.08 mm / 8.86 x 2.71 x 1.54 inches. Card dimensions for PCIe slot 2:225 x 68.9 x 18.76 mm / 8.86 x 2.71 x 0.74 inches. Card dimensions for PCIe slot 3:225 x 68.9 x 39.08 mm / 8.86 x 2.71 x 1.54 inches. Card dimensions for PCIe slot 4:225 x 68.9 x 18.76 mm / 8.86 x 2.71 x 0.74 inches. Wider cards can be installed if the next PCIe slot will not be used. USB 3.2 Gen 1 port 4 Form Factor Rackmount LED Indicators SSD, Status, Power, Fan, Temperaure, Power Module Status, Device Name, IP Address Buttons Power, Reset, OLED Dimensions (HxWxD) 88.3 × 446.2 × 713.2 mm Weight (Net) 22.77 kg Weight (Gross) 27.55 kg Operating Temperature 0 - 35°C (32°F - 95°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 1200W PSU(x2), 100-240Vac Max Wattage: 1200W@200-240Vac 1000W@100-127Vac Power Consumption: Operating Mode, Typical 467.59 W Tested with drives fully populated. Fan 6 x 60mm, 12VDC System Warning Buzzer Standard Warranty 5 Max. Number of Concurrent Connections (CIFS) - with Max. Memory 10,000