Q.) A partner student is inquiring if there is any information available which provides more information on the duty cycle/limits for MDL SAS drives?
A.) The documents, which URL addresses are provided below, provide some more information about the differences in drive types. Hope this helps.
http://h20195.www2.hp.com/v2/GetPDF.aspx/4AA1-9012ENW.pdf
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c01071496/c01071496.pdf