Thermaltake Silent 1156 Reviewccokeman - March 21, 2010
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The Thermaltake Silent 1156 is a heat pipe and fin type cooler, which uses copper heat pipes to transfer heat away from the processor to the aluminum fins, which are then cooled with the airflow of the fan and dissipated into the case. The Silent 1156 cooler stands 140mm high and has a width from side-to-side of 110mm. The depth of the cooler from the front of the fan to the back of the fins is a thin 72mm, so there should be no interference with any of the components of the system when the cooler is installed. The heat pipes are two large Φ8 copper pipes that are rather thick so that there is more surface area to whisk the heat up to the fins. The fins are stacked close together so that there is more disruption in the airflow, which causes more heat to be taken off the cooler and sent out into the natural airflow of the case.
The base of the Thermaltake Silent 1156 cooler is made of pure copper and attaches to the copper heat pipes to maximize the transfer of heat to the fins. There is a sticker protecting the base, so be sure to remove it prior to installation. The copper base, while flat, has noticeable grooves that cause gaps between the CPU and the cooler, trapping heat. I would have liked to have seen a more polished finish, with the grooves smoothed out. While no surface is every truly flat - and that is the point of thermal paste - the grooves on the Silent 1156 are very noticeable and may hinder its performance.
With the fan removed, you can get a better look at the main part of the Silent 1156 cooler, which is the fins and pipes. The cooler is pretty thin overall, which reduces the amount of cooling space. However, this attributes to its silent features because there is less surface for the air to flow over, causing less noise. The shroud of the fan, which holds it to the cooler, is removable and can be used without the fan if you want complete silence by sacrificing lower temperatures. The design of the fan shroud makes attaching the fan a tool-less endeavor, so it is quick and easy to add and remove.
The fan itself is made by Thermaltake which is model number TT-9025A. The fan has a rated speed of 800 - 1700RPM with a maximum air flow of 26.2 CFM and a maximum air pressure 1.22 mmH2O. The kicker behind this fan is that the noise that is produced from it during cooling is only a low 22dB which is fairly quiet. While this means a bit warmer temperatures the trade off is low noise emanating from your system which we all know can get very annoying especially when your computer sounds like a jet engine when turned on. Every corner you can cut on noise is helpful and the fan on the Silent 1156 cooler surely does it part. The power connector on the fan is a 4-pin which allows information to be sent back to the motherboard about fan speed and then works in tandem with the thermal sensors of the CPU and board to regulate the fan speed based on temperatures. This allows you to set thresholds based on these temperatures to tell the fan how fast to spin during these preset thresholds.
To install the Thermaltake Silent 1156 cooler, you attach the connectors to the base of the cooler with the four included screws, line the cooler up on the board, and push the pins into the board until they lock. That is it, and it can’t be any simpler than that. To remove, just turn the push pins to the unlocking position and pull them away from the board until the cooler comes loose.
Now that we have taken a better look at the Thermaltake Silent 1156 cooler, we can install it and see how it performs.