In purchasing this you are getting:6x Plugable UD-3900 USB 3.0 Docking Station Rev B2 w/ DisplayLink Plug & Display6x OEM power supply's meant for the Plugable UD-3900'sThese go for anywhere from $15 to $30 each unit on . I imagine if you're looking at this listing you're likely wanting to resell these, although if you just need the 6 Plugable docking stations for an office space or whatever project this listing is geared towards you as well.The 'Buy It Now' price was calculated as 6 * $18, so $108. In my view, a fair price.