Full Details from Amazon.com : http://www.amazon.com/gp/product/B00B12GKLE?tag=onigi-20
4GB [2x2GB] DDR2-667 (PC2-5300) RAM Memory Upgrade Kit for the Dell Optiplex GX620 Ultra SFF
4GB 2x2GB DDR2-667 PC2-5300 RAM Memory Upgrade Kit for the Dell Optiplex GX620 Ultra SFF
100 Genuine A-Tech Brand Memory
2GB DDR2-667 PC2-5300 Non-ECC Unbuffered 240 Pin 18V CL5 Memory 128X8
Limited Lifetime Warranty
High Quality Ram specifically designed for the Dell Optiplex GX620 Ultra SFF
