De acordo com o relatório técnico :
More puzzling than the VR200M's cache size is the drive's swanky new 6Gbps Serial ATA interface. There might be a small chance that this latest VelociRaptor can burst data from its cache quicker than the prior SATA standard's 300MB/s limit, but the drive's own spec sheet confirms that it can't sustain even half that speed. I don't imagine the faster interface is needed at all.