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 …

Asus Launches a Wide Range of Nvidia Maxwell-Based Adapters

Asus is the one to introduce the largest assortment of graphics adapters based on a fresh Nvidia Maxwell GPU. The range of suggested products involves two models from Asus GeForce GTX 750 series and three models from Asus GeForce GTX 750 Ti series. All five new-comers are differentiated by an ameliorated PCB design with the incorporation of Super Alloy Power components.

The GTX 750 series consists of GTX750-PH-1GD5 and GTX750-PHOC-1GD5 cards. Both of them come with an integrated Nvidia GM107-300 GPU, equipped with 512 CUDA cores. The first model operates at 1020 MHz/1085 MHz (nominal/boost) frequency, whereas its companion runs at 1059 MHz/1137 MHz. They employ 1 GB of GDDR5 memory, demonstrating 1252 MHz/5010 MHz (nominal/efficient) frequency. The cards also have an identical video interface panel that embraces one HDMI, one D-Sub, and one DVI-D port.

The GTX 750 adapters accommodate analogous cooling system with a single Dust-Proof Fan. The latter is called to keep the …

Monitor ViewSonic VP2765-LED Review

The spectrum of monitors available in the market is able to satisfy the needs of the most fastidious customers. Nevertheless, such abundance of products creates some confusion when it comes about the purchase of a really worthy item. Monitor ViewSonic VP2765-LED belongs to the generation of professional models based on MVA array and is able to ensure appropriate color effects and high contrast range. Upon the whole, monitors with the implemented MVA technologies are considered to be rarity in the hardware market, so ViewSonic VP2765-LED deserves a special attention from the part of professional or entry-level customers.

Design and Framework

Monitor ViewSonic VP2765-LED is notable for the ponderous design void of refinement. Huge bearing bottom is the first striking peculiarity that bursts into the eye. Such design approach is called to ensure the 100% framework consistency which adds to the product’s reliability. Despite huge dimensions, the bearing is developed …
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Registered at: 31 August 2012, 09:07
Last visit: 31 August 2012, 09:07