Full Details from Amazon.com : http://www.amazon.com/gp/product/B00BHLR9QE?tag=onigi-20

8GB 2X4GB Memory RAM for Dell PowerEdge R710 DDR3 RDIMM 240pin PC3-8500 1066MHz Black Diamond

Brand new certified 240pin PC3-8500 1066MHz DDR3 ECC Registered RDIMM Black Diamond Memory
Low density 8GB 2X4GB memory kit 2 sticks of memory module
100 compatible garrantee for Dell PowerEdge R710
100 pre-tested on Dell system to ensure functionality
Lifetime warranty