If that's the boat you're in, the easiest (and cheapest) way to add Wi-Fi to your system is with a USB adapter, and right now the Asus USB-AC55 can be had for $14 and change (after rebate).

For the ASUS RT-3200 we’re reviewing today, there are a pair of 5 GHz AC radio operating at 1300 Mbps and a single wireless N 2.4 GHz radio operating at 600 Mpbs. R+L=J 1600 + 1600 + 600 = 3200. Math!

Following the launch of several other vendors USB-powered AC1900 adapters, I was able to have the ASUS USB-AC68 sent over, the successor to the USB-AC56 I reviewed in late 2013. The ASUS USB-AC68 ...