Replace your VAIO All-in-One Desktop computer's memory to keep it running smoothly. Memory is available in a range of sizes, from 256 MB to 2 GB kits. The 2 GB kits contain 2 pieces of 1 GB memory. The memory sticks are designed to fit in Sony VAIO desktop computers. Installation of memory may be done at home, or at an authorized computer repair center. The memory simply snaps into place for fast and fool-proof installation.