Sure. The exact seller I purchased from doesn't have the product, but in AliExpress if you search...

"For iMac A1419 A2115 5K LCD Screen Driver Board LM270QQ1 LM270QQ2 Retinal Control Motherboard 5120*2880 QQHD HDMI DP Type-c"

...it will come up with what I have used in the last few conversions.

Though I have seen Quinn Nelson (Snazzy Labs on YouTube) released a video recently that shows his process which is a bit more involved, but better. Apparently his method is better to remove risks of power surges from the controller board (I haven't experienced it yet...!), but his method also retains the speakers, and relocates the I/O inputs to be more accessible.