... With three layer board piece, 40 sets of screw, fan four 42U 600*960*2000 YD3696-42UHB With three ... With three layer board piece, 40 sets of screw, fan four 42U 600*1000*2000 YD36100-42UHB With three ... layer board piece, 40 sets of screw, fan four 42U 600*1000*2000 YD36100-42UHQ With three ... layer board piece, 40 sets of screw, fan four (Note: H black, B said glass nets hole before the ...