Koolance GPU-210 Cold Plate, 35mm x 35mm (1.4in x 1.4in) The GPU-210 is a general-purpose block with a 0.5mm microfin internal structure. The cooling area footprint is 35mm x 35mm (1.4in x 1.41in). Materials include a copper cold plate, brass top, anti-corrosive nickel plating, and EPDM o-ring. Works with G 1/4 BSPP (parallel) thread fittings. Redundant side and top inlet/outlet fitting sockets allow for more flexibility during installation.