Performance pundits criticized Intel the lack of P4 DDR support, and VIA promptly responded with their legally controversial P4X266 chipset., the very first DDR chipset. Intel finally bowed to market pressure, releasing the i845 DDR chipset several months later, and also granting use of the P4 bus to SiS, who launched the SiS645 chipset, a DDR-333(!) chipset.