Full Details from Amazon.com : http://www.amazon.com/gp/product/B00LU1G6T2?tag=onigi-20
Certified Apple HyperVelocity? 64GB Mac Pro 4X 16GB DDR3-1866 ECC Unbuffered DIMM RAM Memory
Certified Apple HyperVelocity Exact Spec 240 24kt gold pins
For All 4 6 8 12 Core Late 2013- 2014 Black Dustbin Mac Pro Models
Fully Validated Fully Certified Apple 100 Apple JDEC spec modules
DDR3-1866 PC3-14900 DIMM 1866MHz 240 pin 15v Registered Unbuffered Error Correcting ECC
These are what NASA the US Navy and US Dept of Defence use in their Mac Pros Lifetime Warranty vs Apples 1 Year
