The 1066MHz modules have 7-7-7-20 timings, while the 1333MHz DDR3 modules have 9-9-9-27 timings. These JEDEC compliant 1GB modules and 2GB kits were designed specifically for the new Intel P35 Bearlake platform, and have already been validated on multiple P35 motherboards.
W1333UX2G9 2GB DDR3 Kit (2x 1GB) 1333MHz PC3-10600 9-9-9-27 W1333UB1G9 1GB DDR3 module 1333MHz PC3-10600 9-9-9-27 W1066UX2G7 2GB DDR3 Kit (2x 1GB) 1066MHz PC3-8500 7-7-7-20 W1066UB1G7 1GB DDR3 module 1066MHz PC3-8500 7-7-7-20
These DDR3 products are designed, built and tested in Super Talent's San Jose, California headquarters. Every Super Talent module built is hand tested in a motherboard under load to ensure the highest level of reliability.
These products are all sampling now, and will be shipping in volume in June.
Pricing details aren't fully available yet. We do know that the 2GB 1066MHz DDR3 memory kit is expected to retail for approximately $489 but the pricing of the 1333MHz version isn't known yet.