ENGINEERED FOR PERFORMANCE: We all know that the GPU is the hottest running component in any personal computer, and properly cooling it is Bykski's #1 priority. The water-cooling block absorbs and exchanges heat quickly, enabling the coolest temps and highest performance vs. any air-cooled graphic card PERIOD. SIMPLE COMPATIBILITY/INSTALL: Full coverage GPU block with straightforward installation allowing you to get up and running quickly. The block is designed to be compatible with Gigabyte GeForce RTX 4090 WINDFORCE 24G, Gigabyte AORUS GeForce RTX 4090 XTREME WATERFORCE 24G, Gigabyte GeForce RTX 4090 D WINDFORCE 24G. Use with other video cards is not recommended HIGH-QUALITY DESIGN: Full acrylic (PMMA) and Ultra-high purity purple copper plate, which is the highest quality in these characteristics next to silver. Includes GPU block with backplate and all the mounting hardware, thermal paste/pads, and installed A-RGB (RBW) 5v LED Strip. The block is designed to be compatible with G