https://www.tomshardware.com/reviews/ahead-intel,847-16.html
Audio - Looking ahead to Intel's 925XE chipset and FSB1066 | Tom's Hardware
Jul 19, 2004 - While Corsair, Crucial and Samsung are already starting to deliver DDR2-667, Intel is also getting ready to ship the 925XE this quarter, which offers 266 MHz...
looking ahead