Modular Power Supply 650W Chieftec A80

Evaluating the effectiveness of modern computer power supplies, the most attention is paid to their coefficient of performance (COP) at a given load — usually means of 20%, 50% and 100%. At the same time, not less important requirement, established by standard 80PLUS should be considered. That means — the preservation of this level of performance for all occurring in the world supply voltage variations, that is in the range of 100-240 V.



The standard rules of 80PLUS at different levels (Basic, Bronze, Silver, Gold, Platinum, etc.) are performed for two voltage 115 V and 230 V. In both cases, the normalized PS should show the efficiency of not less than specified for each category level. Not usual power supply CTG-650C model of the new A-80 series from the Chieftec company is interesting in that it has officially claimed efficiency of 85% or more, but only for nets 220-240 V.


As the advantages of such solution can immediately be noted a lower price, due to less stringent …

Cougar Vortex Fans: the Secret of Success

Nowadays a lot of hardware developers employ Vortex fans from Cougar in the design of various PC components, including CPU coolers and graphics cards. Such demand is primarily explained by an elaborate approach to the fans' framework construction. Profound testing is not the last thing to contribute to the company's success. Indeed, since the launch date in 2011, Vortex line has been enjoying great popularity throughout the world and, especially, on American and European markets.



Therefore, Cougar has designed unique fan impellers that ensure a balanced correlation between such parameters as static pressure, noise level and airflow. The implementation of aerodynamic elements on the internal part of the frame in combination with the grooves on the impellers are able to promote for an improved airflow focusing; this is achieved due to the acceleration of airflow in edge area.


All Vortex fans are based on a hydrodynamic bearing that provides for the prolonged lifetime and …

Corsair Put Flash Voyager Slider USB 3.0 into Common Use

Corsair company, a recognized developer and provider of PC system components, has just announced about the release of their new product Flash Voyager Slider USB 3.0. This USB-drive has a retractable framework which ensures the socket protection and ease of usage. Flash Voyager Slider USB 3.0 goes in several volume capacities to satisfy the needs of any customer: 8 GB, 16 GB, 32 GB, and 64 GB.



Corsair’s representatives describe Flash Voyager Slider USB 3.0 as the device with high speed performance and proven durability. In order to avoid mere words, the company provides a 5-year guarantee for all drives of this series. It should be mentioned that speed performance of this drive depends on its volume capacity. Thus, the drives of 8 GB and 16 GB capacity are able to develop the speed up to 70 MB/sec in consecutive reading mode, and up to 20 MB/sec in consecutive writing mode. The drives of 32 GB capacity prove to develop the speeds up to 80 MB/sec and 40 MB/sec in consecutive …
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