39.20 CHF
Cooler Master Notepal U3 Plus
Cooler Master Notepal U3 Plus
I use this thing for my MSI GT70 with 17.3" - then it works well with your Acer.
I can only recommend it, my laptop hasn't overheated since.
I also have an Acer Aspire, 17", works perfectly. The fans can be adjusted, so I'm sure they'll fit your laptop.