8GB KIT (2 x 4GB) For Toshiba Satellite L Series L745-S4130 L745-S4210 L745-S4235 L745-S4302 L745-S4310 L745-S4355 L745-S9423RD L745-SP4141CL L745-SP4142CL. SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Satellite L Series. (See Compatibility List Below)