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 …

Foxconn Introduces a Set of Motherboards for Intel Haswell Processors

Foxconn announces the release of several new motherboards, based on Intel H87 and B85 chipsets. The set consists of four models – B85MX, B85MX-D, H87MX, H87MX-D – compatible with the fourth generation Intel Core processors for Socket LGA 1150. The quad is intended for the assembling of small-sized mATX PCs, such as multifunctional office engines or powerful home multimedia centers.



The most outstanding peculiarities pertained to the new motherboards from Foxconn are seen in the support of PCI Express 3.0 bus with the bandwidth of 10 Gb/sec. The interface of the new generation allows integrating the most efficient graphics cards (and other peripherals) by means of dedicated PCIe sockets. Connectivity is supported due to dedicated SATA III ports and USB 3.0 ports.


The boards might accommodate up to 32 GB of DDR3 memory with clock frequencies up to 1600 MHz. The availability of an advanced Realtek audio controller ensures the production of a pure 5.1-channel sounding. …

Graphics Card Zotac GTX 650 Ti AMP! Edition Review

The demand for a separate graphics solution relies greatly on its performance in correlation to its price. High-end cards usually go at high price, but still it's feasible to detect a model that would also be acceptable in cost. Zotac has recently released, as claimed by the manufacturer, the most powerful graphics card in the series. Codenamed Zotac GTX 650 Ti AMP! Edition, it is delivered with the factorial overclocking parameters. This signifies that the card operates at heightened frequencies from the very beginning. Moreover, this product is ready to gladden the potential audience with an affordable price in combination with an utmost performance.



PCB Design and Delivery


Following the general tendencies, Zotac implemented its singular facilities in the design of a printed circuit board. Microcircuit chips are soldered on both sides of the board; this implies that graphics card Zotac GTX 650 Ti AMP! Edition houses 2GB memory with 128-bit bus interface. The chips are …
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Dell Inc. Latitude D620 based on Dell Inc. 0KX350

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