4-bay vs 5-bay, HDD temp difference?

[rive22]

I've been using 4-bay enclosures for my servers and get good temps. Anyone who has used both; given the drives are much closer together to maintain the same size of the enclosure, is there a significant temp difference between the two?

examples;

4-bay
http://www.newegg.com/Product/Product.aspx?Item=N82E16817994027
5-bay
http://www.newegg.com/Product/Product.aspx?Item=N82E16817994155

 

[drescherjm]

5 bay enclosures have faster fans to compensate. I can't talk much about temperatures because my server room has the AC set at 65F.

 

[stormy1]

With 5400 rpm drives it would be fine, with 7200 probably ok, with 10k no way.
A lot of the 4 in 3 are not suitable for 10k drives without a fan upgrade much less the 5 in 3.
I had a client who cooked a bunch of WD velociraptors in 4in3s resulting in a bunch of early failures. They fired their former consultants over it and hired me.