Dell PowerEdge R620 Technical Guide

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12Gb/s SAS With fourth-generation SAS (SAS-3), we will again see a doubling of interface bandwidth, now reaching 12Gb/s. 12Gb/s SAS-3 addresses signal quality through “transmitter training.” This gives one of the receiver device’s key interconnects, its PHY, the ability to modify the settings of the transmitter device’s PHY. 6Gb/s SATA

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