G.SKILL AEGIS 8GB (2 x 4GB) 240-Pin DDR3 SDRAM 1600 (PC3 12800) Desktop Memory Model F3-1600C11D-8GIS 8GB G.Skill Aegis Gaming memory kit (2x 4GB) DDR3 1600MHz memory upgrade, PC3-12800 Low-voltage 1.35V - designed for gaming systems Timings of CL11 (11-11-11-28) Backed by G.Skill's lifetime warranty