8GB 2x 4GB PC2-6400 DDR2 800MHz SODIMM Memory RAM for Dell Latitude ATG D630 D630 D630c D630 XFR D830 E6400 E6400 ATG E6400 XFR E6500 (PARTS-QUICK BRAND) Halogen Free; ROHS Speed: PC2-6400 DDR2 800MHz Form Factor: 200 pin SODIMM Capacity: 8GB 2 X 4GB Kit Warranty: Lifetime