AnnapurnaLabs Alpine AL524, 4-core, 2.0GHz 4GB SODIMM DDR4 (1 x 4 GB; max 16GB)e 4 or 6 x 3.5-inch SATA drive bays 1 (TS-432X) or 2 (TS-632X) x 2.5GbE ports 2 x 10GbE SFP+ ports 1 x PCIe Gen 3 x4 slot 2 x USB 3.2 Gen 1 ports