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 …

PSU Evga 500B: a Perfect ‘Price-Quality’ Combination

Evga, a merited designer of a large spectrum of PC components, is about to release a new power supply unit, entitled 500B (codename: 100-B1-0500-KR). As seen from the title, this model features 500W power and is oriented at saving users, rather than enthusiasts. The unit is already marked by 80Plus Bronze certificate, due to 80% efficiency level on ordinary loading. Upon the whole, 500B is thought to be a perfect ‘price-quality’ combination, ready to comply with all basic users’ requirements.



Evga 500B employs a single +12V rail that ensures a stable power supply to the connected components and guarantees compatibility with new equipment. The unit is estimated for 40A current at +12V rail. Stability of operation might be secured also by means of an onboard protection system; it saves the system from power disruptions, overloading, low input voltage, high voltage, and from short circuit.


To continue, quiet and reliable PSU operation is a merit of a low-noise fan. It …

Meet WinFast GTX 960 Hurricane Adapter from Leadtek

Leadtek expands its production line with a brand version of GeForce GTX 960 videocard. Entitled WinFast GTX 960 Hurricane, the model is differentiated by factory overclocking and a powerful dual fan cooling system. Initially, the company will launch a 2 GB version but later on there might appear a 4 GB version.



Leadtek WinFast GTX 960 Hurricane is based on GM206 GPU with 1024 CUDA cores, 10 SMM, and 64 ROPs. It runs at 1228 MHz frequency but might be overclocked to 1291 MHz frequency. The integrated 2 GB GDDR5 memory with 128-bit interface operates at 7010 MHz index. Furthermore, this videocard consumes up to 120 W power.


Cooling system consists of two fans and a voluminous heatsink. All integrated video interfaces found their place at the rear panel: three DisplayPort ports, one HDMI 2.0 and one DVI-I. By the way, the nominal delivery set offers a dedicated DVI to VGA adapter.


What is more, similar to other GTX 960 solutions, Leadtek’s graphics card is known to …
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Registered at: 22 September 2012, 12:11
Last visit: 24 September 2012, 12:24