Can TP-Link provide any expectations for shipments of the EAP620 HD? While the EAP660 has been shipipng for over a month there dont' appear to be any EAP620's hitting the market yet.

I want to buy a 24 port Gigabit switch that can be managed by the SDN controller that manages my APs and the website recommends a TL-SG2428PS. On amazon.com, a search for that switch comes up with a l