Samsung announced the developement of the Extreme Data Rate (XDR) DRAM technology that uses Rambus' XDR memory interface technology. Running at 3.2GHz, the XDR DRAM offers 8x the bandwidth of today's best-in-class PC memory. Samsung also plans to release an upgraded XDR chip that runs at 6.4GHz. The company said a sample of a 512Mb XDR DRAM will be provided to system companies starting in March. Mass production is to begin at the end of 2004.