8GB (2x4GB) DDR SODIMM RAM PC31066MHz ?

8GB (2x4gb) Corsair Apple/MacPro DDR3 SO-DIMM PC3-8500 (1066), Non-ECC Unbuffered, CAS 7-7-7-20, 1.50V Unused, opened, 2 weeks old, bought by mistake from scan.co.uk. They work fine, but are incompatible with my laptop.