4GB KIT 2x 2GB Toshiba Satellite U Series U305-S2808 U305-S2812 U305-S2816 U305-S5107 U305-S5127 U305-S7446 U305-S7467 U305-S7477 SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Brand 4GB KIT (2 x 2GB) SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Satellite U Series. (See Compatibility List Below)