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 …

Review of Transformer Pad TF300T from Asus

The effective solution of various dedicated tasks is the major goal of computer technologies. You can hardly find a person who would not use the privileges those technologies provide, however when it comes about the purchase of this or that device, customers pay great attention not only to its functional characteristics, but also to its pricing. Unfortunately, not everyone can afford buying a new version of pad from the top line, for example, so manufacturers of various gadgets try to orientate their work on average customer. Asus company has recently introduced a budgetary model Transformer Pad TF300T to counterbalance its advanced pad Transformer Prime TF201. The launch of this model couldn’t but please the devotees of Asus products.


General Peculiarities


Design of the new model does not differ too much from that of Transformer Prime TF201 and in some way copies it. Buttons and sockets localization concurs with the localization in a more expensive predecessor. …

Philips Announces Flicker-Free-Compatible 258B6QJEB Monitor

MMD, within the framework of Philips Monitors brand, enters the market with a 25-inch monitor, entitled 258B6QJEB. The new-comer is primarily differentiated by the support for Flicker-Free technology that adjusts the brightness and eliminates screen flickering, thus reducing eye strain. The model features a thin frame which is called to visually boost the screen surface. The implemented stand allows for the adjustment of the display in various aspects.



Philips 258B6QJEB is based on AH-IPS panel with Quad-HD resolution (2560x1440) and W-LED backlight. It boasts the widest viewing angles (178/178 degrees), the highest brightness (350 cd/m2), the largest number of displayed colors (16.7 million), and fast response time (5 ms). Therefore, the monitor is an appropriate solution both for business purposes and home entertainments.


The list of integrated facilities includes:

— a pair of inbuilt speakers;

— a set of video interfaces: D-Sub, HDMI, DVI, DisplayPort;

— 4 …
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