Board Thread:MHX General Discussion/@comment-27120688-20151109062044/@comment-5716529-20151109150321

3DS can handle it. It's not a matter of how big the file is... The Old 3DS runs 4U just fine, it lags with online sometimes and when there's too much stuff going on in the screen. That has nothing to do with how big or long the game is. MH4U is 2.6 Gb, and 3DS carts can be 8 Gb.