I want to upgrade my system.
More memory improves performance.
Get only 30Gb capacity if you are unsure your motherboard will recognize capacities greater than 33.8Gb . This is the only component that holds its value. If you can't overcome the techno-lust , test the DVD playback. Listen for audio breakup, crackles and background noise . After 15-20 min., some laptops exhibit an irritating, consistent background noise.