Qnap TS-432PXU-RP-2G AL324 rackmount NAS Enclosure - AnnapurnaLabs Alpine AL324 64-bit ARM Cortex-A57 quad-core 1.7GHz processor, 2 GB UDIMM DDR4 RAM (1 x 2GB, 1 x slots free, 16GB Max),512MB Flash Memory, Drive Interface: 4 x 3.5" 6Gb/s, 3Gb/s SATA Hard Drives Bays, Hot-swappable,1x PCIe Gen 2 x2 SSD slots for SSD cache, hardware encryption, Without Rail Kit (RAIL-B02), Connectivity: 4 x USB 3.2 Gen, 2x 10GbE SFP+, 2x 2.5GbE, 1U Rackmount, 250W single power supply