ZALMAN CNPS 10X Quiet - Processor Cooler (CNPS10XQUIET) Category: Heatsinks and CPU Fans Designed for Quiet Operation - The heatsink is optimized for high performance during quiet operation, incorporating a switching noise eliminated high capacity 120mm fan for intensified cooling performance and minimized noise. Powerful Cooling Performance - Optimally designed aluminum fins disperse heat away from the CPU via 5 heatpipes, while the high capacity 120mm fan quickly cools the heatsink for stable operation of high performance CPUs. Adjustable Fan Speed Controller - FAN MATE 2, an adjustable fan speed controller, is included for performance and noise level setting according to user preferences. Differentiated Design - Differentiated from typical U-shaped heatpipe coolers, a central band of blue anodized fins adds a sleek and cool aesthetic finish. High Performance Super Thermal Grease ZM-STG2 - The included all new high performance thermal grease ZM-STG2 maximizes heat transfer from the CPU to the base of CNPS10X Quiet for intensified cooling performance.