Patriot Signature 8 GB (2 x 4GB) PC2-6400 DDR2-800 SoDIMM Dual Channel Laptop Memory Kit - PSD28G800SK sodimm; kit; ddr2; 8GB; 800MHz 100% Tested Non-ECC Unbuffered 200-Pin Dual in-line memory module 2 Rank Double-sided module 200-Pin Dual in-line memory module Non-ECC Unbuffered 2 Rank Double-sided module 100% Tested sodimm; kit; ddr2; 8GB; 800MHz