NEC launches ultrabook based on Core i7 weighting 875g

Japanese company NEC has prepared a unique laptop VersaPro UltraLite VG for state market of the rising sun. The use of light materials and advanced components has reduced the weight of a 13.3-inch laptop up to 875g total.



The body of ultrabook is made of magnesium-lithium alloy and has thickness of 14.9 mm. The product is designed for business travelers who need high performance in small form factor. The «heart» of the laptop is dual-core Core i7-3517U (Ivy Bridge), operating at a frequency of 1.9 GHz to 3 GHz, depending on the load. To it was joined by 4 GB of RAM SO-DIMM DDR3 and a 128-gigabyte SSD-drive. Built-in Intel HD graphics 4000 (350/1100 MHz) will provide an opportunity to play casual games on the screen with a resolution of 1600x900 pixels and LED-backlit display. Windows 7 Professional OS is installed on this ultrabook.


It is worth mentioning about the presence of USB 3.0 ports and HDMI, network interfaces Wi-Fi and Bluetooth, card reader, HD webcam and …

Power Supply Unit Huntkey GS550 Review

Huntkey Enterprise Group is a comparatively new player in the global PSU market. However, its products are already well-known to the mainstream customers in different corners of the world. GS series is the one to compete with an army of items from acclaimed manufacturers, featuring so far only two models: GS450 and GS550. Giving names to the models, Huntkey applied a popular marketing approach, where the figure index in the codename exceeds actual wattage index of the unit. Thus, GS550 model is estimated actually for 450 W power. What other surprises are hidden in this model? Let’s find out.



Key Specifications


Power supply unit Huntkey GS550 is housed in a solid case, made of a thick dark-gray steel with a wiry ventilation grid. All basic specifications are marked on the sticker, so that the user can easily integrate it within the system. The +12VDC rail is claimed to provide 384 W power at 32 A current. The interrelation of power on this rail with an overall efficiency …

Announcement of video card Gigabyte Radeon HD 7970 Super Overclock

The efforts of Gigabyte engineers culminated in the release of the Radeon HD 7970 Super Overclock, also known as GV-R797SO-3GD. This is a monstrous construction with height of 64 mm (3.5 expansion slots) and a cooling system WindForce 5X. As well as preparing to be released GeForce GTX 680 SOC, the new adapter uses a five high-speed (> 4000 rev / min) fan size of 40 mm, copper evaporation chamber, and five copper heat pipes.



WindForce 5X – is one of the most expensive VGA-coolers, except for models with water blocks and liquid cooling system. It will allow to overclock Gigabyte GV-R797SO-3GD up to frequencies of 1155/7620 MHz. However, neither the temperature nor the noise performance of video card can be considered satisfactory: 85 degrees under load and 91 ° C for overclocking with increased voltage, and 8000 rpm in a heavy-duty (1185 MHz, 1.375 V) explains the situation.


Printed circuit board Radeon HD 7970 SOC is reinforced with five polymer capacitors NEC / …
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