Premium Chieftec Navitas 650 W PSU Review

Announced several months ago, Chieftec Navitas series of PSUs has managed to win the hearts of PC enthusiasts in many areas across the globe. Unlike the majority lineups where the junior model features 450/550 W power, Navitas offers 650 W GPM-650C as the first model in the line to satisfy the needs of fastidious customers. Upon the whole, the series counts five models of 650 W, 750 W, 850 W, 1000 W, and 1250 W power. Let’s see whether the junior representative of the series deserves universal acclaim.

Basic Specs and Connectors

Chieftec Navitas 650 W is delivered in a gray cardbox that contains its basic specifications. The unit is able to gain up to 648 W power on +12VDC rail efficiency. The correlation of efficiency on +12VDC rail and an overall power makes up 0.997 points. The model itself is housed in a gray case with large texture coating. Its layout might boast the incorporation of a high-voltage Nippon Chemi-Con capacitor and as much as efficient Capxon …

It’s Already Here! Nvidia GeForce GTX 780 Officially Launched

Several months of prolonged rumors have ended in the final release of the much-wanted graphics card from Nvidia — GeForce GTX 780, designed for desktop devices. This is the second solution from this manufacturer for mainstream market, developed in accordance with 28 nm technological process (after Titan series), and the first representative of Nvidia GeForce 700 series. The product is based on Nvidia GK110 graphics core that features 2304 current processors, 192 TMUs and 48 ROPs.

With the attempt to enhance the card’s productivity and make it rival with Titan solutions, Nvidia has dynamically increased GPU clock frequencies from 837 MHz to 863 MHz (nominal) and from 876 MHz to 900 MHz (overclocked). This adapter employs PCI Express 3.0 internal interface. Power supply is realized by means of two power connectors: one 6-contact connector and one 8-contact connector.

In regards to video memory, the manufacturer incorporates highly-efficient GDDR5 modules with 384-bit …

EKWB Launches a New Water Block for GV-N680SO-2GD

Early August of 2012 was marked for Gigabyte by the release of its one more graphics card, codenamed GeForce GTX 680 SOC (GV-N680SO-2GD). This card can boast the availability of high factory frequencies and quite mighty cooling system. The nominal frequencies have been heightened to 1137MHz, 1202MHz, and 6200MHz for memory. Such outstanding characteristics required the integration of a high-quality and high-performance cooling system which consisted of five(!) fans. This made the card rather voluminous, cumbersome and noisy. That was when EKWB decided to design a dedicated water block to be employed with this remarkable graphics adapter.

Water block EK-FC 680 GTX SOC is housed on a copper base, good-quality acetal cover, and rubber shims as a compressor. The model is delivered with pre-installed fixing stands to facilitate the installation. It should be noted that this water block entirely covers the frontal part of the graphics card, along with the adjacent RAM modules and …
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Registered at: 25 May 2011, 14:41
Last visit: 09 January 2012, 01:58