4GB KIT 2x 2GB For Toshiba Satellite C Series C655D (PSC16U-01X010) C655D-S5124 C655D-S5143 C655D-SP5003M C655D-SP5024 C655-S5047 C655-S5049 C655-S5052 SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory 4GB KIT (2 x 2GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Satellite C Series. (See Compatibility List Below)