Any recommendations for a good fan controller? My new case 750d uses wider than 51/4...

[Owen Edwards]

Any recommendations for a good fan controller? My new case 750d uses wider than 51/4 covers for the slots so I want to avoid using a fan controller that goes in the 51/4 bay but I've heard a lot of mixed reviews for products like the nzxt grid+

 

[Lukas Stadler]

I use the phanteks one and I am happy with it