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 …

A Pair of New Graphics Cards Radeon HD 7950 Boost Edition from MSI

MSI has replenished its series of Radeon HD 7950 graphics cards with a pair of new Boost Edition models. Codenamed R7950-3GD5 BE and R7950-3GD5/OC BE, both adapters feature practically identical to the first two releases (of the very series) design. Nonetheless, the novels are known to support AMD ZeroCore with Boost technology that provides for an automatic GPU clock frequency boost on conditions of an increased computing loading. Dynamic clock frequency indices of both models are not so dramatic, since they exceed the nominal showings at 10 MHz only; still, the support of a brand MSI Afterburner utility enables a raise of frequencies to the required level.

The two representatives of MSI Radeon HD 7950 Boost Edition series employ GDDR5 memory with an overall capacity of 3 GB and 384-bit interface. Its nominal clock frequency equals to 1250 MHz, while its efficient frequency achieves 5000 MHz. Memory modules, as well other critical components, are cooled down by a two-slot …

ViewSonic Introduces Touch-Sensitive Monitor VSD220

PC monitors currently outlive considerable changes due to the ever advancing market. ViewSonic, an established manufacturer of monitors and other PC components, is in total lookout for the present-day tendencies. The company tries not only to comply with the current demands, but also foresee the demands of the upcoming future. Monitor VSD220 is an expressive evidence of it, since it offers advanced facilities for all types of users.

ViewSonic VSD220 features 21.5-inch display with 1920x1080 resolution. Its chief characteristic is touch-sensitive display nature; this implies that it is able to response on two fingers touch. This way, the monitor defines the future of visual and sensory technologies, and identifies the development standards of the whole industry. Moreover, this model can serve the means of traditional PC monitor, as well as, work on free-running basis supporting wired or wireless connection with peripheral accessories (mice, keyboards).

This monitor model is …
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Registered at: 31 October 2012, 11:20
Last visit: 31 October 2012, 11:32