Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Works great in a Dell Optiplex GX270

When I first bought my Dell Optiplex GX270 four (or more?) years ago, I bought 512MB of RAM for it, which was a lot for the time. But the first set of RAM I purchased (from Mushkin) simply didn't work in the Dell - they were not recognized. I ended up buying from Crucial and that worked.Now I want to extend the life of this nice system and add memory. Various manufacturer web sites all "recommended" memory that costs twice as much as this PNY Optima, but would the PNY have compatibility issues? I decided to take a chance.I'm happy to report that the GX270 likes this PNY Optima RAM just fine! I have quintupled the available RAM, from 512MB to 2.5GB and it seems to work great.