2GB Memory Upgrade for Toshiba Mini Notebook NB505-N508TQ DDR2 PC2-6400 800MHz 200 pin SODIMM RAM (PARTS-QUICK BRAND) Capacity: 2GB Form Factor: 200 pin SO-DIMM DDR2 Speed: 800MHz PC2-6400 Halogen Free; ROHS Warranty: Lifetime Industry Standard Low Density Memory