With these memory heat spreaders with heat pipe you improve the dissipation of the heat your memory chips are producing. Less heat means a more stable operation and less fatal errors. These Nexus memory heat spreaders with heat-pipe technology are now available in three colours, black, aluminium, and blue. Compatible with all standard DDR / DDR2 and DDR3 modules. Fits single and double sided memory modules. n The HXR-Series contain one full copper 5mm thick heat-pipe. This is the best way to dissipate the heat from your memory modules, without adding any noise. No fan is needed with these memory coolers, the heat pipe does the job. This is the best "No Noise" solution for your memory modules. Comes in three different colors:   Specifications: Model numbers:       HXR-5500U (Blue) Dimensions:       126x59 mm / 5x2.3inch Memory:       DDR / DDR2 / DDR3 Weight:       75 grams Image: