This IDC Flash focuses on HP's introduction of quad core technology to the workstation marketplace. The dual core xw4400 and xw6400 and the high-end xw8400 now can be purchased with quad core chipsets, or users could upgrade their present workstations, replacing their dual core chipset with a quad core chipset if they so desired. HP Is among a group of workstation market leaders to bring quad core technology to the workstation marketplace, In November, Dell introduced its quad core capability on the Dell Precision 490 and the Dell Precision 690. Also In November, IBM announced its entry into the quad core workstation arena.