I am using two Intel 530, 240Gb. SSD's in a RAID 0 array on an Asus Z97 Pro MB running Windows 8.1. The system runs and boots fine but the drives are only running at 3Gb/s instead of 6 Gb/s. Anyone know why?

[JNels6]

Does anyone know why. I was using two Crucial M4 drives that showed they were running at 6Gb/s.

[Jose_H_Intel1]

The results from the benchmark are good but, are you sure you using are 6Gb/s cables?

Problems may be related to the use of cables made from marginal materials that perform at the edges of SATA 3Gb/s tolerances, which could become a failure point at the faster 6Gb/s signal rates. SATA-IO therefore recommends that only high quality cables and connectors be utilized for SATA 6Gb/s.

https://www.sata-io.org/sites/default/files/documents/SATA-6-Gbs-The-Path-from-3gbs-to-6gbs.pdf https://www.sata-io.org/sites/default/files/documents/SATA-6-Gbs-The-Path-from-3gbs-to-6gbs.pdf (page 5)

I also wonder what drive speed reading you will get from other programs (like https://www.piriform.com/speccy Speccy or http://crystalmark.info/software/CrystalDiskInfo/index-e.html CrystalDiskInfo) when the Intel® SSD 530 is connected to the Intel® Z97 Chipset. It is possible that only Intel® Rapid Storage Technology is showing incorrect information.