http://www.amazon.com/OCZ-OCZ3RPR13334GK-DDR3-1333MHz-Reaper/dp/B00168IZXY/ref=pd_cp_e_1?pf_rd_p=413863501&pf_rd_s=center-41&pf_rd_t=201&pf_rd_i=B001BHECHI&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=13VXMCPFC9DMFQXPHAE8
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145218
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145198
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145218
or
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145198