Dell tests limited number of Wireless card for a specific model that doesn't mean that a card not listed in the that page won't work with this machine.   All the cards listed in that list are limited to AC so you are only getting a slight upgrade in speeds.    I would go for a WIFI 6 card instead more future Proofing.   
Hi to all,I have a Dell inspirion model 5593. I really like this laptop and I recently upgraded my home internet and found out that my WiFi does not match my expectations.A quick view on my systeminfo showed me why - Qualcomm QCA9377 replacment This is card can picked at 433 Mbps and, well, that's my issue.I want to upgrade my WiFi Card, I googled it and found this:[URL] talked to three diffrent vandors and all of them said that the Intel Wireless-AC 9560 WILL NOT be supported by my laptop. So I come to you in hope to find a good answer - What is the best, and supported for sure, WLAN card for my 5593? Thanks in advance!
Dell inspiron 15 5593 Qualcomm QCA9377 replacment