The connector on board of kinesis advantage pro keyboard (for usb and rj cables).
This is a JST SH Connector. JST is the "brand"/designer.
Here's the digi-key part. https://www.digikey.com/product-detail/en/jst-sales-america-inc/B7B-XH-A(LF)(SN)/455-2252-ND/1651050 Please note that your connector may be a chinese variant or knockoff, but this shouldn't matter for you.
Here's how you can search for connector types: http://www.digikey.com/en/resources/connectors/rectangular-connectors
I bought them and they fit perfectly (but I didn't crimp it yet).
Specification for JST PH connector series: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf
Thanks to @Kevin for pointing out the JST manufacturer.
P.S.: USB cable is probably a "Copartner E119932".