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 …

Graphics Card MSI GTX 770 Gaming Review

MSI Gaming product line has already managed to win the hearts of inveterate gamers, overclockers and enthusiasts, due to remarkable performance and a perfect overclocking potential. Gaming series includes a set of high-end motherboards, as well as graphics solutions. The first ones come with automatic overclocking facilities and network controllers that improve the quality of connection while gaming; the second ones, with MSI GTX 770 Gaming in particular, bring gaming experience to a new, higher level. However, let’s come closer to the deal and give a detailed review of GTX 770 Gaming model.

Framework and Hardware Base

Graphics adapter MSI GTX 770 Gaming is based on an original PCB with an enforced power supply system. The heart of the item is GK104 chip that features 1536 stream processors, 32 ROPs and 128 TMUs. A black aluminum plank covers almost the whole PCB surface; it is fixed by eight screws at the back and two screws at one of the side panels. This plank contains …

Asus Teases New MG278Q Gaming Monitor

Asus’ famous Republic of Gamers series (ROG) of PC products will soon be replenished with a new 27-inch monitor, entitled MG278Q. As far as exterior is concerned, it’s a classic display housed on a central stand with multiple adjustments (height, tilt, angle, pivot mode). Being a representative of gaming-oriented devices, the model features a bunch of advanced facilities, including an top-notch AMD FreeSync technology that is called to synchronize GPU with display refresh rates for the production of a seamless visual stream.

Asus MG278Q is based on TN panel with a frosting coating. It is known to support QHD resolution (2560x1440), WLED backlight & 144 Hz refresh rate. The panel secures that gamers could get only the best imaging, offering: 1 ms response time (GtG), 350 cd/m2 brightness, 170/160 degrees viewing angles, 16.7 million of displayed colors, and 1000:1 static contrast.

To continue, the rear part of the panel accommodates a pair of HDMI ports, 1x DL DVI-D …
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Registered at: 20 September 2012, 19:46
Last visit: 20 September 2012, 21:12