Samsung for a brief period of like a week sold TCCD chips as generic with heatspreaders, so they were cheap as hell(40CDN per 512mb stick), and overclocked insanely, i only got 2 sticks of 512mb, both reached 267mhz with 2.85Vdimm, but I'm sure it'll go higher with more voltage. They realized their mistake pretty quick, and soon they were back to their original.