Hp proliant server tower to rack conversion kits specifications weight 1430 lb 648 kg dimensions w x d x h 1238 x 70 x 3125 in 3144 x 1778 x 7937 cm designed for proliant ml110 ml110 g2 ml110 g3 ml110 g5 ml110 g6 ml110 g7 ml115 g5 ml150 g5 ml150 g6 ml310 g3 ml310 g5 ml330 g6 ml350e gen8 v2