OCZ must of thought the original RevoDrive was too slow, because just a few months later it's announced the RevoDrive X2! The original PCIe based SSD came about as a result of hitting limitations with the SATA II interface. SSD technology was developing faster than the interface could keep up, so by removing SATA and going straight through the PCIe interface, the only bottleneck would be the SSD controller. As powerful as the SandForce controller was, it wasn't enough, so OCZ bolted two together in a RAID 0, made it bootable, and the RevoDrive was born.
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