G.SKILL Ares Series 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-1600C8D-8GAB 240-Pin DDR3 SDRAM Timing 8-8-8, Cas Latency 8 Unbuffered, Dual Channel Kit Heat Spreader Lifetime warranty from G.Skill