Dell 4GB (2X2GB) PC2-5300U SNPKU354C/2G For Dell Optiplex 330 360 740 745 755 760 T3400, 380,XPS 410 A6993732 SNPKU354C/2G 2X2GB PC2-5300U (DDR2-667) 2RX8 Number of Pins: 240 Density: Low Density