ADATA Gaming Series 4 GB (2 x 2 GB) DDR3-1333 (PC3 10666) CL8-8-8-24 Memory Kit AX3U1333GB2G82G ADATA XPG Gaming Series is cost-effective and suitable for all users aluminum heat sink CL 9-9-9-24/(CAS-TRCD-TRP-TRAS) 1333MHz DDR3/Unbuffered 1.65 Volts/240 Pin DIMM