16GB KIT (2 x 8GB) For Toshiba Toshiba Satellite S55-A5239 S55-A5255 S55-A5256NR S55-A5257 S55-A5274 S55-A5275 S55-A5276 S55-A5279 S55-A5294 S55-A5295 S70-A (4th Gen Core) S70-A-00P S70-A-103 S70-A-10C S70-A-10D S70-A-10E S70-A-10F S70-A-10J S70-A-10Z S70-ABT2N22 S70-AST2NX1 S70-AST2NX2 S70D-A-00C S70D-A-00J S70t-A016 S75-A (4th Gen Core) S75-A7221 S75-A7222 S75-A7270 S845D-SP4212TL. SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 16GB KIT (2 x 8GB) SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz 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)