Part number:FMYG3 / 0FMYG3. Compatibility:For Dell EMC Precision C4140 / C6420 ( C6400 ) / DSS 8440 ( DSS8440 ) / FC640 / M640 / MX740C / MX840C / R340 / R440 / R640 / R740 / R740XD / R7425 / R840 / R940 / T440 /T640.
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