WB100-A3Y available in legs
WB-xx use the x to specify the legs number:
25 = 25 legs, 50 = 50 ,legs 100 = 100, legs 300 =300 legs...

WB050-A3W without legs
WB-xx use the x to specify the legs number:
25 = 25 legs, 50 = 50, legs 100 = 100, legs 3 00 =300 legs...

WB050-A3Y available in legs
WB-xx use the x to specify the legs number:
25 = 25 legs, 50 = 50 ,legs 100 = 100, legs 300 =300 legs...

Part Numbers
Part number configuration tool:
CBB04 available in 4 pairs density....

WB100-A3W without legs
WB-xx use the x to specify the legs number:
25 = 25 legs, 50 = 50 legs ,100 = 100, legs 300 =300 legs...

Part Numbers
Part number configuration tool:
CBB05 available in 5 pairs density...

Part number configuration tool:WB100-A4 in rack mount style .
WB- x- A4 use the x to specify the legs number :100 = 100 legs, 200 =200 legs

Part number configuration tool:WB200-A4 in rack mount style .
WB -x- A4 use the x to specify the legs number:100 = 100 legs, 200 =200 legs