Dell 4 Gb Memory Module for Select Dell Systems Manufacturer Part# : Snpr1p74c/4g | Dell Part# : A6996811 2rx8 Udimm 1333mhz Lv Compatible with Poweredge C5220 Poweredge C6105 Poweredge C6145 Poweredge C8220 Poweredge C8220x Poweredge M520 Poweredge M620 Poweredge M710hd Poweredge M915 Poweredge R210 Poweredge R210 Ii Poweredge R410 Poweredge R415 Poweredge R510 Poweredge R515 Poweredge R720 Poweredge R720xd Poweredge T110 Poweredge T110 Ii Poweredge T310 Precision Workstation T1600 Precision Workstation T1650 Precision Workstation T3500