I was recently evaluating MFC's from HP, Brother, Xerox, and some other minor brands (Sharp, Kyocera,etc). We've always been big HP fans but we were looking for an alternative to fax boards.
Almost all MFC's have some sort of PC-FAX option nowadays but a lot of them need a windows software client for it to function (Brother PC FAX). Also, another big issue I've seen is that the Print-To-Fax functionality doesn't work on Windows 10/Server 2016.
Canon's MFCs seems like the closest to a faxboard. The print and fax driver works on Server 2016 so you can install them on virtually any machine. Also, it can receive faxes directly in a folder (SMB or FTP) which is something that's mainly available on higher end machines like Sharp/Kyocera.
Canon Lasers imageCLASS MF414dw Wireless Monochrome Printer with Scanner, Copier & Fax On sale for $170. Normal price is $250-ish
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