TS-432PXU-2G CPU AnnapurnaLabs Alpine AL324 64-bit ARM® Cortex-A57 quad-core 1.7GHz processor CPU Architecture 64-bit ARM Floating Point Unit Encryption Engine System Memory 2 GB UDIMM DDR4 (1 x 2 GB) Maximum Memory 16 GB (1 x 16 GB) Memory Slot 1 x Long-DIMM DDR4 Flash Memory 512 MB (Dual boot OS protection) Drive Bay 4 x 3.5" SATA 6Gb/s, 3Gb/s Drive Compatibility 3.5-inch bays: 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives Hot-swappable M.2 SSD Slot Optional via a PCIe adapter SSD Cache Acceleration Support 2.5 Gigabit Ethernet Port (2.5G/1G/100M) 2 10 Gigabit Ethernet Port 2 x 10GbE SFP+ Jumbo Frame PCIe Slot 1 Slot 1: PCIe Gen 2 x2 PCIe bandwidth limitations will restrict the NAS 10GbE performance. USB 3.2 Gen 1 port 4 Form Factor 1U Rackmount LED Indicators HDD 1-4, Status, LAN, Storage expansion Buttons Power, Reset Dimensions (HxWxD) 44 × 439 × 499 mm Weight (Net) 6.53 kg Weight (Gross) 9.53 kg Operating temperature 0 - 40 °C (32°F - 104°F) Relative Humidity 5-95% RH non-condensing, wet bulb: 27°C (80.6°F) Power Supply Unit 250W PSU, 100 - 240V Power Consumption: Operating Mode, Typical 39.558 W Tested with drives fully populated. Fan 2 x 40mm, 12VDC Sound Level 38 db(A) System Warning Buzzer Max. Number of Concurrent Connections (CIFS) 700