2 Pcs RHS-03 Copper Heat Sink for DDR DDR2 DDR3 RAM Memory Cooler. Solid copper material, easy to install. Compatible with all standard SD/DDR SDRAM. Features: Great for high performance or over clocked systems. Solid copper construction, easy to install. Dissipates RAM heat to improve its performance. Compatible with all standards SD/DDR/ SDRAM. High conductivity thermal adhesive tape. Reduce the temperature of the memory by up to 35%. Dimension: 12 x 11 x 4 mm Package Content: 2 X RAM Heatsink (Note : Photo attached is for reference only, it may be slightly varied in items of colour, shape from the actual item delivered from time to time)