CELSIUS W550 . "Base unit, system board D3417, 300 W wide range power supply, Chipset: Intel C236. Slots: 4 DIMM-sockets (max. 64 GB, DDR4-2133, ECC or non-ECC, dual channel), 4 slots: 1x PCIe 3.0 x16, 1x PCIe 3.0 x4 (mechanical x16), 2x PCIe 3.0
