1GB Kit 2 X 512MB DDR2 Memory for Dell Optiplex GX280 SX280 GX280n GX320 GX520 GX620 GX620N Desktop PC2-4200 240 pin 533MHz DIMM RAM (PARTS-QUICK BRAND)
1GB Kit 2 X 512MB PC2-4200 240 pin DIMM DDR2 533MHz for Dell.BEWARE! DO NOT BUY FROM OTHER VENDORS WHO CLAIM THEY ARE SELLING PARTS-QUICKBRAND. OUR WARRANTY IS ONLY FOR ITEMS PURCHASED DIRECTLY FROM PARTS-QUICK. ALLPRODUCTS BRANDED AS PARTS-QUICK ARE TO BE SOLD SOLELY BY PARTS-QUICK. PARTS-QUICK DOESNOT AUTHORIZE THE USE OF IT'S BRANDED PRODUCTS TO OTHER SELLERS.LIFETIME WARRANTY. Compatible with:  GX280 SX280 GX280n GX320 GX520 GX620 GX620N.