Crucial ballistix elite 8gb kit ddr3 2133 ble2c4g3d21bce1j
2 x 4 gb 4096 mb 8gb ddr3 kit memory capacity 8 gb bus clock speed 2 133 mhz specification pc3 17066 ram operation mode dual channel voltage 15 v form factor 240 pin width 175 mm max operating temperature 85 c