Logitec LAN-WH600ACGR

Overview
802.11ac draft (40MHz)
 * 3x3: 600 Mbps max.
 * 2x2: 400 Mbps max.
 * 1x1: 289 Mbps max.

It is listed as discontinued on Logitec's site..
 * I don't know if this thing was even sold.