Color:

18.5 inch stand-alone version (Vertical Screen)

18.5 inch network version (Vertical Screen)

21.5 inch stand-alone version (vertical screen)

21.5 inch network version (vertical screen)

24 inch stand-alone version (Vertical Screen)

24 inch network version (Vertical Screen)

18.5 inch stand-alone version (horizontal screen)

18.5 "Network Edition (Horizontal Screen)

21.5-inch stand-alone version (horizontal screen)

21.5 "Network Edition (Horizontal Screen)

24-inch stand-alone version (horizontal screen)

24 inch network version (horizontal screen)

18.5+10.1 "Vertical Screen Network Edition (Double Screen)

21.5+11.6 "Vertical Screen Network Edition (Double Screen)

27+15.6 inch Vertical Screen Network version (double screen)

18.5+16.4 "Horizontal Screen Network Edition (Double Screen)

21.5+19.1 "Horizontal Screen Network Edition (Double Screen)

27+24 inch horizontal screen network version (double screen)

32+28 inch horizontal screen network version (double screen)