Yes, with a 4.8Ghz overclock you can probably use almost any memory speed you wish to use so long as it is otherwise compatible.
Your board is very similar to the Z170-Deluxe which also states it only supports up to 3466mhz but mostly this is because there were no memory kits faster than 3466mhz at the time that board and it's specifications were released. As you can see at the following link they were easily able to use DDR4-4000mhz memory on that board but that doesn't mean you won't have to do some tweaking in the bios to get them to run at that speed. Probably if you simply set the XMP profile they will work fine, but every CPU and motherboard exhibit different characteristics, even if they have the same model number, so you just...