G.SKILL F3-1600C9D-8GRSL 8GB (2 x 4GB)/ PC3-12800 / DDR3 1600 Mhz/ Timings 9-9-9-28/ Voltage 1.35 V/ Ripjaws

G.SKILL F3-1600C11S-8GIS 8GB (1 x 8GB)/ PC3-12800 / Aegis DDR3 1600 Mhz/ Timings 11-11-11-28/ Voltage 1.5 V/ Heatsink N