|   ARK-6610 | 
ARK-6610 with one front I/O expansion slotVarious cut-outs for COM/DVI/LVDS,USB,S/C-videoShockproof drive bay for slim ODD and 3.5'' HDDBottom door to access CF card or Mini-PCIe cardOptional equipped FLEX power supply |  | 
|   ARK-6620 | 
Various cut-outs for COM/DVI/LVDS,USB,S/C-videoShockproof drive bay for slim ODD and 3.5'' HDDBottom door to access CF card or Mini-PCIe cardOptional equipped FLEX power supply |  | 
|   ARK-6622 | 
With front I/O interfaces and one expansion slotShockproof drive bay for two 2.5'' HDDsbottom door to access CF card or Mini-PCIe cardLED indicators for system fault detectionEquipped 180 FLEX power supply |  | 
 
Sit Control, consulting and providing industrial automation