Part
12-27850-01
is compatible in the following Models:
Compaq AlphaServer SC40 series
Compaq AlphaServer SC40 - DA-64CBA-AL
Compaq AlphaServer TS20 series
Compaq AlphaServer TS20 - DA-T56RA-DA
Compaq AlphaServer TS40 series
Compaq AlphaServer TS40 - DA-T64CB-CA