HP - KT294UT - Memory 4GB DDR2-800MHz PC2-6400 SoDIMM Non-ECC KT294UT - HP - 4GB DDR2-800MHz PC2-6400 non-ECC Unbuffered CL6 200-Pin SoDimm 1.8V Memory Module $771.06 $626.88
HP - FH978AAR - Memory 4GB DDR2-800MHz SoDIMM Non-ECC FH978AAR - HP - 4GB PC2-6400 DDR2-800MHz non-ECC Unbuffered CL6 200-Pin SoDimm Dual Rank Memory Module $763.03 $620.35
HP - FT294ET - Memory 4GB DDR2-800MHz SoDIMM Non-ECC FT294ET - HP - 4GB PC2-6400 DDR2-800MHz non-ECC Unbuffered CL6 200-Pin SoDimm Dual Rank Memory Module $763.03 $620.35
Crucial - CT768762 - Memory 4GB DDR2-800MHz SODIMM Non-ECC CT768762 - Crucial - 4GB Kit (2 x 2GB) PC2-6400 non-ECC Unbuffered DDR2-800MHz CL6 200-Pin SODIMM Memory Upgrade for Acer TravelMate 4220 (AMD) System $453.88 $369.01
HP - 495412-001 - Memory 4GB DDR2 SoDimm Non-ECC 800MHz 495412-001 - HP - 4GB DDR2 SoDimm Non ECC PC2-6400 800Mhz Memory $895.23 $727.83