Hirose also provides connectors in this series for applications that do not require a ground plate. The FX10 is available with 96, 120, 144, and 168 contact positions with mated heights of either 4mm or 5mm. The FX11 has 68, 92, 116, and 140 contact positions in the 2mm mated height. Stacking heights for 2.5mm and 3mm are only available with 80 or 100 contacts.