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24th August 2012, 11:45 | #1 |
[M] Reviewer Join Date: May 2010 Location: Romania
Posts: 148,055
| Zalman CNPS9900DF CPU Cooler Launched Zalman's newest high-end CPU air cooler, the CNPS9900DF, has been on our radar since May. It was launched in select markets earlier this week. The Computer Noise Prevention System (CNPS) model 9900 heatsink has been leading Zalman's product line for years now, with several variations being launched from time to time. The newest one, the CNPS9900DF, in which "DF" stands for dual-fan, builds on the concept by using two fans in push-pull configuration. The "push" fan is nested in the first copper fin stack, while the "pull" fan is located between the two fin stacks. The design is otherwise similar to every other 9900 series cooler. The design of the CNPS9900DF consists of a nickel-plated copper base, from which four nickel-plated copper heat pipes pass, making a capital-omega (Ω) shape, along which nickel-plated copper fins are arranged, which appear to project radially. The surface area for heat dissipation is 6,800 cm². Measuring 140 (L) x 100 (W) x 154 (H) mm, the CNPS9900DF weighs in at 850 g. The 120 mm "push" fan spins at 1000 RPM, while the 140 mm "pull" fan spins at speeds between 900 to 1400 RPM. Both fans use fluid-dynamic bearings, and the total noise output of the cooler is said to stay within 27 dBA, according to Zalman. The Zalman CNPS9900DF is priced at an estimated US $89.90 a pop. http://www.techpowerup.com/170955/Za...-Launched.html |
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