aybstr, Thank you for using the Dell Community Forum. The card should work in your system. Below are the cards that are offered with the xps15 system. The following WLAN cards are offered on this system: Intel WiFi Link 6200 Wireless-N Mini-Card  Intel WiFi Link 6300 Wireless-N Mini-Card  Intel WiFi Link 1000 Wireless-N Mini-Card  Intel WiFi/WiMAX Link 6250 Mini-Card 
Hi. I just received a new xps 15 yesterday. After some long hours of research, I found that I need a different wireless adapter to pick up my routers 5.0GHz signal. The wireless adapter in my XPS right now is an Intel Cetrino Wireless-N 1000. I was wondering if I ordered an Intel Centrino Ultimate-N 6300, if it would be compatible with my new laptop, and if so, the ease of switching the two adapters. Thank you
New wireless adapter in new XPS 15