Heatsink

The Siberia features a horizontally-oriented heatsink and two fans: 140x140x25mm (upper) and 92x92x25mm (lower). Cooler dimensions are 146x150x120mm, the weight is 585g without bracketry.

The cooler body consists of a nickel-plated copper base block sized 40x30x5mm, an auxillary aluminium heatsink sized 57x40x16mm, 6 copper heatpipes 6mm in diameter and 46 aluminium fins with the total heat exchange surface area of about 3500 cm².

The advantages of the Siberia include:

• dual fans (the secondary fan provides airflow to the blind spot below the primary fan),
• large heat exchange surface,
• 6 heatpipes,
• optimal distance between fins (2.5mm),
• serrated profiling of fins to improve fan-heatsink consistency,
• secondary heatsink,
• reasonable layout of heatpipes which are connected to areas of intensive airflow provided by the primary fan.

The heatsink design is excellent, except maybe for simplified fin coupling.

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