Performances
In this page some performance plots from the last 2011 Heavy Ion run for the SSD are summarized.
Bad channels trend

SSD charge per module

SSD charge ratio per module

SSD Mean Charge Ratio per module

SSD Mean Charge Ratio Distribution

SSD Charge Most Probable Value (MPV) per module

SSD Charge Most Probable Value (MPV) distribution

SSD Charge Ratio vs Run

For a complete set of trend plots about the performances during 2011 HI run see:
ITS and SSD during Heavy Ion Run 2011 (CERN TWiki)
ITS and SSD during pp Run 2012
ITS and SSD during pPb Run 2013