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 …

Universal Laptop Charger FSP NB Q90 Plus Review

The major task of technological progress is to provide people with more efficient, more convenient, and more user-friendly devices to be used at home and in office. The list of all those facilities has become of vital importance for consumer electronics segment. That is because people would like to be saved from multiple wires, cables and schemes when they use their PCs, laptops or other gadgets. Nevertheless, it is impossible to avoid cable grooming when it comes about PSUs or chargers. FSP company dared to solve this problem by releasing a compact and ergonomic laptop charger, codenamed NB Q90 Plus. The employment of this device is called to facilitate the laptop charge-in and save people from cable foul-ups.



Design and Ergonomics


The first thing that differentiates laptop charger FSP NB Q90 Plus from dozens of other models is its dimensions which do not exceed 135x72x19 mm. This makes it easily portable even in a tiny handbag. The series of charges is represented by …

Sapphire Outs a Mid-End R7 260X OC Gaming Graphics Card

Sapphire is glad to offer an affordable but quite efficient graphics card targeting inveterate gamers. The R7 260X OC is developed on AMD Radeon R7 260X GPU with Graphics Core Next architecture (28 nm). It features 896 stream processors and runs at the heightened frequency of 1150 MHz. Along with 2GB of GDDR5 memory (128-bit interface and 6600 MHz frequency) the core is able to guarantee a perfect balance between gaming efficiency and price.



Sapphire R7 260X OC employs PCI Express 3.0 x16 internal interface, while the connection of monitors is realized by means of four external video ports: DisplayPort, HDMI and 2x DVI (DVI-I and DVI-D). Cooling is ensured by a brand two-slot cooler; it consists of an aluminum heatsink, a pair of copper heatpipes, and one fan of axial type.


Like other graphics solutions based on R7 260X adapter, the new-comer from Sapphire supports a multiplicity of various technologies. Some of them are described below:

— AMD CrossFireX: allows for …
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Registered at: 04 October 2011, 18:14
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