Qnap TVS-H1688X-W1250-32G 16-Bay TurboNAS Enclosure -Intel Xeon W-1250 6-core 3.3 GHz processor (boost up to 4.7 GHz), 32GB ECC UDIMM DDR4 RAM (2 x 16GB, 4 x slots free, 128 GB Max), 5GB Flash Memory, Intel UHD Graphics P630, Drive Interface: 12 x 3.5-inch 6Gb/s, 3Gb/s + 4 x 2.5-inch 6Gb/s, 3Gb/s SATA Hard Drives Bays, Hot-swappable, 2 x M.2 22110/2280 NVMe PCIe Gen3 x4 SSD slots for SSD cache, optional QNAP QXP-T32P 2-port Thunderbolt 3 card support, Connectivity: 6 x USB 3.2 Gen 2 type-C&type-A, 1 x HDMI 1.4b, LCD, 3 x PCIe expansion slot, 4 x 2.5 Gigabit Ethernet Port, 2 x 10GbE SFP+, 550W single power supply