Thermaltake ISGC-400 CPU Cooler Reviewajmatson - May 24, 2009
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Unlike the tower design that the ISGC-300 uses, the ISGC-400 changes the direction of airflow to help keep the surrounding areas cooler, thus lowering temperatures overall. The ISGC-400 is comprised of an aluminum body with 33 aluminum sawtooth fins, which are designed to make the cool air intake smoother, which maximizes cooling performance. Attached to the fins are six copper heatpipes that start from the all-copper base. Since copper is a great conductor of heat, the base and pipes quickly whisk away the heat to the aluminum fins, where the fan takes care of the rest.
The fan that is included with the ISGC-400 cooler is the ISGC 12 fan, model number TTB122512LS. It is rated to push a maximum 58.3 CFM of air, all at a noise level of 16 dBA. The fan measures 120x25mm, and is rated at 12v for operation. The blades of the fan are designed to be like flower petals to decrease the noise created when operating, in conjunction with other features, such as the Hydro Dynamic Bearings. Thermaltake claims an airflow increase of up to 15 %, while decreasing noise by 3%. To also aid in cooling and noise during operation, there's a fan speed controller that gets connected to the power lead of the fan. This controller allows you to adjust the RPM of the fan from 800 to 1300 RPM.
Now let's mount the ISGC-400 and see how well it holds up.