XSPC Razor GTX 770 Water Block for nVidia GTX 770 Video Cards (Includes back plate) Dimensions: 266.7 x 124.9 x 25mm Prepared for SLI with 7 G1/4 ports Supports GTX 770 cards (Nvidia reference design only) 0.5mm fins for high performance Acrylic layer with 3mm LED holes