4gb (2x 2gb) Memory Module for Select Dell Systems Manufacturer Part# : Snpwm553ck2/4g | Dell Part# : A2257208 Compatible with Poweredge 830 Poweredge 840 Poweredge 850 Poweredge 860 Poweredge R200 Poweredge T100 Poweredge T105 Precision M6700 Precision M70 Precision Workstation 370 Dt Precision Workstation 370 Mt Precision Workstation 380 Precision Workstation 390 Precision Workstation T3400 Vostro 3360 XPS One 27 MLK