For many database applications, I don't think the transfer rate matters that much. Regardless, the DDR-ram solid state solutions have faster transfer rates tha

For many database applications, I don't think the transfer rate matters that much. Regardless, the DDR-ram solid state solutions have faster transfer rates than a 4 drive raid0. The only drawback is that they cost about $100 per GB. Oh, and the onboard battery will only let you unplug your machine for 8hrs. After that, the state is lost.