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**B Grade** Cooler Master Hyper 612S CPU Cooler
B Grade items may have been used, have damaged packaging, missing accessories or a combination of these.
Some items may have scuff marks or slight scratches but should otherwise be an operable product.
- Optimized for better heat dissipation at lower fan speeds.
- Unconventional heatpipe layout; all 6 heatpipes cross CPU “hot zones” to cool more efficiently.
- Quick-snap fan bracket design for easier installation.
- Fan adjustable to super low speeds (900 RPM with Silent Mode Adapter); provides almost noiseless performance.
- CPU Socket: Intel© Socket LGA1366/1156/1155/775/AMD Socket AM3/AM2+/AM2
- Dimension (W / H / D): 140x128x163 mm (5.5x5x6.4 inch)
- Heat Sink Dimensions: 136 x 100 x 163 mm (5.4x3.9x6.4 inch)
- Heat Sink Material: Copper Base/Aluminum fins/6 Heatpipes
- Heat Sink Weight: 806g (1.78 lb)
- Fan Dimension (W / H / D): 120x120x25 mm (4.7x4.7x1 inch)
- Fan Speed: 1300 RPM ±10% (900RPM with silent mode adapter)
- Fan Airflow: 52.6 CFM (36.4 CFM @900RPM)
- Fan Air Pressure: 1.14mm H2O (0.55mm H2O @900RPM)
- Fan Life Expectancy: 40,000 hours
- Bearing Type: Long Life Sleeve
- Connector: 3-pin
- Fan Noise Level (dB-A): 22.5dBA (16.1dBA @900RPM)