http://www.jx.com.au/index.php?route=product/product&product_id=91 " 1.7v - 1.95v voltage range for dual-channel applications for AMD based systems and Intel® chipsets older than X58 1.65v voltage for triple-channel Intel Core i7 9xx series applications 1.65v voltage for dual-channel Intel Core i5 7xx series and Core i7 8xx series applications 1.65v voltage for dual-channel Intel Core i5 & i7 2xxx series applications 1.65v voltage for quad-channel Intel Core i7 3xxx series applications Currently available in speeds up to 2400MHz and kits capacities of 16GB dual-channel, 24GB triple-channel, and 32GB quad-channel configurations "