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 …

Monitor Samsung S24A850DW Review

Customers all over the world are 'spoiled' by the predominance of monitors, developed under various technologies and targeted to fulfill various assignments. The market is full of items as from well-established companies with global recognition (LG, Asus, etc.) and from start-up companies that just keep up with all modern technologies. Samsung belongs to the high-end echelon and is continually competing with its renowned opponents, releasing ever newer monitors on regular basis. Monitor S24A850DW has been developed with high performance characteristics in mind, as well as, its accessibility to the vast groups.



General Specifications


Samsung S24A850DW belongs to the monitors of average price category and high-end specifications. It is based on S-PLS matrix and employs W-LED lighting. It goes in 1920x1200 resolution with 24 inch display. This model is furnished with D-Sub (VGA), audio-in/out, DVI-D, and DisplayPort interfaces. The availability of four-port USB 3.0 hub …

Nvidia Makes a Stab at a New GeForce GT 640 Version with GDDR5 Memory

The Internet is filled with rumors about the upcoming release of a new graphics adapter from Nvidia manufacturers. According to the available information, Nvidia is going to update its recently introduced GeForce GT 640 with DDR3 memory type version and to implement advanced tools in their novice product. The implementation of GDDR5 memory will result in the perceptible increase of bandwidth, as well as, of clock speed.



The new graphics card is supposed to exceed its prototype and predecessor in overcklocking showings too. This improvement will be achieved due to the integration of power connector 6-pin PCIe. To contrast both models, the latest version with DDR3 memory employed PCIe expansion slots as power supply tool.


The newer version will be able to operate on 950/5000 MHz, while the older one used to show 797/1782 MHz. GeForce GT 640 (GDDR5) will be based on GK107 processor with 384 CUDA cores and 128-bit memory bus. It is supposed that the memory volume capacity is …
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