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 …

Palit to Release GTX 780 JetStream 6 GB Graphics Card in a Few Days

Palit has officially claimed that a long-awaited kick-off of GeForce GTX 780 JetStream graphics card with 6 GB memory will take place in mid-April. The model is differentiated not only the doubled video memory capacity, but also by the incorporation of an offbeat three-slot cooling system and factory overclocking. The privileges offered by the card will be available for the customers with about €600 in their pockets.



Palit GeForce GTX 780 JetStream 6 GB is based on GK110-300-A1 GPU with 2304 CUDA cores, 48 ROPs, and 192 TMUs. The core operates at the basic 902 MHz frequency, still it might be overclocked to 954 MHz level. The implemented GDDR5 modules employ 384-bit bus and run at an effective 6 GHz frequency (1.5 GHz nominal index).


Power supply is delivered through one 8-pin socket and one 6-pin socket. The estimated TDP level makes up 250 W. Video connectivity is realized by means of four dedicated ports: HDMI 1.4a, DisplayPort 1.2, DL DVI-I, DL DVI-D. In addition, …

The Launch of Motherboard Big Bang-ZPower from MSI is Round the Corner

On the threshold of international exhibition Computex ‘12, MSI has decided to boil up the interest of the potential customer audience to their new motherboard Big Bang-ZPower. So far, the company has highlighted only a few teasers, giving a superficial concept about their new product. There are not so many details revealed, but it’s definitely known that the motherboard will be based on Intel Z77 Express chips and support processors of Ivy Bridge and Sandy Bridge series.



The new Big Bang-ZPower is called to satisfy the needs of inveterate overclockers who appreciate might, functionality and framework. This model is intended to work with Intel Core i7/i5/i3 processors of the second or third generation in the implementation of Socket LGA1155. As seen from the teasers, the motherboard is equipped with the passive cooling system which employs heating tubes technology; in addition, this model will involve the enhanced power subsystem and UEFI with the diversified settings.

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Registered at: 16 November 2012, 19:13
Last visit: 16 November 2012, 19:36