G.SKILL 8GB (2 x 4GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Desktop Memory Model F2-6400CL5D-8GBPQ Brand G.SKILL Model F2-6400CL5D-4GBPQ Type 240-Pin DDR2 SDRAM Tech Spec Capacity 4GB (2 x 2GB) Cas Latency 5 Speed DDR2 800 (PC2 6400) Voltage 1.8V - 1.9V Multi-channel Kit Dual Channel Kit Heat Spreader Yes Manufacturer Warranty Parts Lifetime limited,Labor Lifetime limited Timing 5-5-5-15