yes it is possible.  community often recommends usb dongle which is plug n play.  for low profile pcie wireless card, one Dell option is DP/N 10YN9 which is a wireless card with antenna mounted w PCIe interface.  [IMAGE]   ebay example Dell PCI-E Low Profile Dual Band Wireless Adapter 10YN9 FAST SHIP OUT | eBay another option is PCIe low profile network adapter.  [IMAGE]   TP-Link Archer T4E - Network adapter - PCIe low profile - 802.11ac | Dell USA 7050 SFF mobo does not have dedicated wireless M.2 slot.  and it is a hassle to install your own M.2 wireless card for which you need to install antenna too.  thus this third option is not recommended.  
Dear all, is it possible to install a WiFi card extension on the Optiplex 7050 SFF (couldn't  find details it in the user manual, only found for the 7050 micro version). If yes what product is recommended and does exist a tutorial for installing? Thanks
Optiplex 7050 SFF and WiFi extension