My 5GHz Wi-Fi is broken (how to add an internal 5GHz 802.11 n/ac adapter)?

I just got a new home broadband router that has both 2.4GHz & 5GHz and only then did I realize that both the Windows and Linux laptops don't have a 5GHz Wi-Fi card (both only have 3.4GHz 802.11 b/g/n).

Neither has either 5GHz or 802.11 ac. What are my options?

Note: I called Dell Hardware Sales for the "Inspiron 15 3521" at

800-289-3355 but they don't even have a part number for an internal 5GHz NIC, so they suggested an external USB stick, Dell part number: $60 + tax (free shipping) Netgear A6068352 $50 + tax (free shipping) Linksys A8024912

Googling, I find some of the specs here:

"Netgear N900 Wireless Dual Band USB Adapter"

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"Linksys Mini AC Adapter AC580"

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My question is whether any of you experts has experience fitting an

*internal* 5GHz NIC into a Dell laptop, and whether it's true what Dell said, which is that no internal Wi-Fi card will work?

If I must add 5GHz Wi-Fi externally, do you have suggestions as to how to get a good 5GHz (ac) Wi-Fi USB stick that is both convenient and powerful at a good price?

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Posted 5 years ago by ceg in Wireless Networking

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