Hello llaodom,
You have the right part number there. The Dell 1MW70 is valid for R440.
PN#1MW70 - ASSY,CRD,SCTY,TRPM,2.0,14G
ASSY Daughterboard, Card Security TRPM 2.0, 14G
I hope this helps.
Dell -Charles R
Social Media and Communities Professional
Dell Technologies | Enterprise Support Services
#IWork4Dell
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