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With such a long card, there are going to be some definite fitting issues on smaller cases. For our testing we use a Thermaltake Speedo case, which is itself an oversized case. We ended up having to remove the adjustable fan used to cool the PCIe slots in order to make the 5970 fit.[\quote]
Other sources -
http://www.techpowerup.com/forums/showthread.php?p=1694301