I am looking for a good case under 80 $.

[micric]

I would like a silent case .

 

[SirDrannik]

If you want a Micro-ATX case, you could try Cooler Master Silencio 352. It got great reviews and it has sound-proof foam.

 

[SirDrannik]

And it's around 50-60 dollars.

 

[maktovic]

Corsair Carbide 300R Windowed Case @$79
http://www.amazon.com/gp/aw/d/B008B6ONXA/ref=redir_mdp_mobile

Corsair Carbide 300R (Without Side-panel window)@ $69
http://www.amazon.com/gp/aw/d/B006I2H0YS/ref=redir_mdp_mobile

 

[gamingmaniac]

This is the thermaltake chaser a31, it has 3 colours
http://www.newegg.com/Product/Product.aspx?Item=N82E16811133220&cm_re=chaser_a-_-11-133-220-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16811133219&cm_re=chaser_a-_-11-133-219-_-Product`
http://www.newegg.com/Product/Product.aspx?Item=N82E16811133212&cm_re=chaser_a-_-11-133-212-_-Product

Good Luck