G.SKILL ECO 8GB (4 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9Q-8GBECO Brand G.SKILL, Series ECO, Model F3-12800CL9Q-8GBECO Capacity 8GB (4 x 2GB), Type 240-Pin DDR3 SDRAM, Speed DDR3 1600 (PC3 12800), Cas Latency 9, Timing 9-9-9-24-2N, Voltage 1.35V, ECC No, Buffered/Registered Unbuffered, Multi-channel Kit Quad Channel Kit, Heat Spreader Yes