4GB KIT (2 x 2GB) For Toshiba Toshiba Satellite U305-S57402 U305-S7432 U305-S7446 U305-S7448 U305-S7449 U305-S7467 U305-S7477 U305-SP2808 U305-SP5017 U305-SP5037 U305-SP5058 (PSU40E-02300MGE) (PSU44E-005005S4) (PSU44U-06202Q) (PSU44U-09L024) (PSU44U-0FW02Q) U400-03S U400-04W U400-060 U400-061 U400-08W U400-108 U400-10L U400-10M U400-10N U400-10O U400-10T U400-10W U400-10X U400-112 U400-11Q. 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 Toshiba Satellite. (See Compatibility List Below)