btw you have missed the fan controller in I/O panel in 500R for the notable difference in 400R and 500R
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Its mentioned on the 500R review
. All the more I said it should be a 400R "special edition".
Both cases, same concerns and same issue. 500R was fresh packed and it had series of dents. The damage happened because the packaging just isn't strong. If you compare the I/O and the base section with CM 690/Tempest EVO, the other 2 are significantly stronger.
But on the other hand, 400R is still brilliant for the price and makes a lot more sense for a lot of users.
*i.imgur.com/G5gyz.jpg*i.imgur.com/c6Agb.jpg
I am sure this decides for everyone which is better. This is the place where Corsair excels as of now. Spend about half hour with the 400R to put the system together and cable management, an end user friendly case.
Instead of the 500R, add more cash and get 650D, but there isn't a 650D.