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 …

Samsung Showcases SD850 Series of Corporate Monitors

Samsung has officially introduced a new series of corporate-class monitors entitled SD850. The series currently combines two models: the S27D850 and the S32D850. Both boast a number of similar features, including resolution, imaging modes, the number of video interfaces, although are differentiated by dimensions and some other specifications. Pricing and release date are unknown.



Samsung S27D850 is equipped with 27-inch PLS panel that offers 350 cd/m2 brightness and a standard 1000:1 static contrast. Its companion, Samsung S32D850, features 32-inch VA panel with the maximal brightness of 300 cd/m2 and static contrast index of 3000:1.


Both new-comers are characterized by 2560x1440 pixel resolution, 5 ms response time, and what is more striking, 100% color gamut in sRGB environment. The rear facet of the display accommodates three video ports: DisplayPort 1.2, DVI, HDMI 1.4. Besides, there is a USB-hub that offers four USB 3.0 ports.


The monitors are thought to support …

A Pair of Monitors with 5:4 Aspect Ratio from iiyama

Iiyama, a Japanese monitor manufacturer, replenished its product line with a pair of displays with an unusual aspect ratio. Models E1980SD-W1and E1980SD-B1 feature 5:4 aspect ratio and differ from each other only by the color of casing (white and black). Along with all up-dated technologies and possibilities, iiyama offers a 3-year limited warranty that secures absolutely free servicing for all customers. The recommended price for the new entries is established at $177 mark.



Monitors E1980SD-W1and E1980SD-B1 employ TN+film panel type and are characterized by 5 ms array response time (transfer from White to Gray). The nominal resolution of 1280x1024 ensures good viewing angles (170 degrees across and 160 degrees down), 250 cd/m2 maximal brightness, and 1000:1 maximal static contrast with five million to 1 dynamic contrast. Option iStyleColor is responsible for the improvement of image quality.


Both models are characterized by the reduced showings of power consumption. …
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Registered at: 16 December 2011, 13:29
Last visit: 16 December 2011, 13:43