4GB KIT 2x 2GB Acer Aspire Revo 3700 3700-U3002 R3700 RL100 3D RL100-U1002 RL70-UR10P RL70-UR21P RL70-UR308 RL80 RL80-UR22 RL80-UR23 RL80-UR318 S3-951 SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory 4GB KIT (2 x 2GB) 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 Acer Aspire Revo Series. (See Compatibility List Below)