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 …

Lian Li PC-V650 - aluminum chassis for a PC with a side mounted power supply

The company Lian Li announced the launch of a new computer case — PC-V650. New made is entirely made of aluminum and is designed to fit motherboard ATX and Micro-ATX, but because of non-standard side location of the power supply, it is lower than most peers.



Power supply (maximum length is limited to 230 mm) is mounted in the lower right side of the case — exactly opposite of expansion cards. In terms of composition and temperature regime the model is controversial, but it allows reducing the height. On the other hand, the case has turned out quite wide. In general, new dimensions can be expressed by the formula 427 x 251 x 360 mm, provided with seven slots for expansion cards.

Lian Li PC-V650 allows setting a standard size 5.25 ODD and eleven drives: seven 3.5-inch and four 2.5 inch. Bottom basket for hard drive is made removable: if to take it out, there is the possibility to use graphic card up to 370 mm. Regarding the maximum height of CPU cooler, it is 120 mm.

Along …

Graphics Card MSI N650 Ti PE 1GD5/OC Review

PC hardware of average price category is traditionally in demand with a wide range of customers. Graphics cards are not exception, especially if the manufacturers offer truly outstanding facilities for comparatively medium price. The launch of GeForce GTX 650 Ti adapter raised an army of graphics solutions based on it; still, each company tries to deviate in some terms from the reference model. Thus, MSI introduced N650 Ti Power Edition 1GD5/OC model which takes GTX 650 Ti adapter as the basis, but employs fundamentally original printed circuit board and cooling system.



Integration


Graphics card MSI N650 Ti PE 1GD5/OC features all attributes ascribed to Power Edition series. Printed circuit board has been elongated to 230 mm, as compared to the 154 mm in reference GeForce GTX 650 models. Along with the PCB elongation, MSI implemented a reinforced 5-phase VRM scheme (4+1) that is intended at operational intensification on heightened frequencies. The connection of additional …
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Registered at: 18 November 2012, 22:48
Last visit: 18 November 2012, 22:48