1GB DDR SDRAM Memory Upgrade for HP Compaq Presario Notebook X1000 Series (CTO) PC2700 200pin 333MHz Notebook Laptop SODIMM RAM (PARTS-QUICK BRAND) 1GB PC2700 DDR 333MHz 200 pin SODIMM for HP Compaq Presario Notebook X1000 Series (CTO) Capacity: 1GB Speed: PC2700 DDR 333MHz Form Factor: 200 pin SODIMM Halogen Free; ROHS Warranty: Lifetime