4GB 204p PC3-8500 CL7 8c 256x8 DDR3-1066 1Rx8 1.5V SODIMM. 

Lifetime Warranty from Computer Memory Solutions 

30 day Money back guarantee 

Brand Computer Memory Solutions 

Compatible with: Acer Aspire One AO722-BZ197 Acer Aspire One AO722-BZ454 Acer Aspire One AO722-BZ480 Acer Aspire One AO722-BZ608 Acer Aspire One AO722-BZ699 Acer Aspire One AO722-BZ816 Acer Aspire ONE AO722-0611 Acer Aspire ONE AO722-0369 Acer Aspire ONE AO722-0022 

Maximum Memory: 1 GB with Windows 7 Starter 4 GB with Win 7 Premium 

Expansion: 1 Socket(s)