Hi and welcome on Asus rog forum!
If I am right the P6X and the R3F are not using the same SATA controller. It could be incompatibility. Let me do some search and I will come back to you probably tonight or tomorrow
😉 You can always ask here or PM me if you have any other question it will be my and other forum member pleasure to help you!
Martin_metal_88
Colenzo :Coolermaster ATCS 840 | Gigabyte's EP55-UD5 | Intel Core I7 860 @ 3.8Ghz | 4GB G.skill Trident 1600 | MSI GTX460 1GB HAWK Twin frozr | WD 640 black + WD 1TB green + WD 1TB Blue | Pionner DVR-216 | Silverstone Strider Plus 850W | Coolermaster Hyper 212 plus in push pull fan config |
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