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 …

Cooler Master Launches High-End Cosmos SE Chassis

Cooler Master, a Taiwanese designer of prime-quality PC hardware, started selling its fresh Cosmos SE (codename COS-5000-KKN1) chassis. The product is developed in mid-tower form-factor and positions itself as a miniature copy of the earlier released Cosmos II full-tower model. The latest entry distinguishes itself by an extraordinary design and an unbelievable capaciousness. The steel and aluminum case has got a totally black coating (interior and exterior); it features 264x569x524 mm dimensions.



The Cosmos SE is delivered in two framework variations: with absolutely blind side panels and with a stylish acrylic window. In order to provide comfort during transportation, Cooler Master has furnished the chassis with convenient carrying handles. The frontal facet is rich in six USB ports (a pair of 3.0 and four 2.0 ports) and in a dedicated button for the fan backlight adjustment.


This chassis model supports standard ATX and even larger motherboards (micro-ATX and E-ATX), as …

Qualcomm to Enter Into Contract with GlobalFoundries

Qualcomm, a world-known provider of chips for mobile gadgets, has entered into a contract with GlobalFoundries company with the intention to develop chips based on 28 nm technology. Such information has been voiced by an authoritative Chinese publication Commercial Times, referring to the reliable sources. It is presupposed that the manufacturer will start the first dispatches for Qualcomm in the end of this year. The previously voiced data claimed that Qualcomm had arranged orders of 28 nm chips from UMC with the similar dispatch dates.



The estimated reason for the cooperation with GlobalFoundries is the insufficient delivery of 28 nm chips by TSMC. Moreover, Nvidia is supposedly targeting at the cooperation with one more manufacturer except for the TSMC as well. It should be mentioned that the preliminary memorandum between Qualcomm and GlobalFoundries was concluded in 2010; according to this memorandum, the designer got the access towards 45 nm LP and 28 nm LP technological …
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