The updated Seasonic CORE GX ATX3 series complies with ATX 3.1 and PCIe 5.1 standards and includes four power ranges from 1000W to 650W in black and white colours. These power supplies are aimed at a wide range of PC enthusiasts and system developers and offer a good balance between cost and performance.Seasonic's 80 PLUS Gold certified Core GX line is fully modular and features black braided cables. These power supplies are solid performers for a variety of applications, combining a 120mm Hydro Dynamic Bearing fan with Seasonic's Smart and Silent Fan Control to ensure optimal cooling performance at the lowest possible noise levels.