Bundle, Rack, BUD, 45RU, 4-Post, 2135.2mmH x 762mmW x 914.4mmD, M6 Rails, 19/23in Convertible (Preset at 19in), Installed 2/3 Top Cover, Top Gnd Point, Seismic, Steel,Blk, w/ 4x 5x14.5in Sound Blocks, 2x 19in x 27U Plenafil,1x HW Kit