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 …

Sapphire Technology, a renowned supplier of graphics solutions, has added an alternative model of AMD Radeon HD 7870 GHz Edition to its graphics cards model line. The new model is primarily notable by the integration of a two-slot Dual-X cooler that facilitated the process of entitling: Sapphire Radeon HD 7870 GHz Dual-X Edition. This cooler consists of a voluminous aluminum heatsink, a couple of large fans, and a few copper heat pipes which are covered by a plastic lid.



Graphics card Sapphire Radeon HD 7870 GHz Dual-X Edition is based on Pitcairn chip with 1280 current processors; it is developed under 28 nm technological process and Graphics Core Next architecture. The core is able to operate at the nominal 1000 MHz frequency. Blue printed circuit board is the heart of the adapter. PCB is designed particularly for PCI-e 3.0 x16 bus and houses 2GB of GDDR5 memory with 256-bit interface. The memory is capable to achieve the clock frequency of 4800 MHz.


To continue, the …

The novelty from the Iiyama Corporation – the ProLite XUB2790HS-2 monitor – is able to kill two birds with one stone, as far as it is aimed at home and office utilizing at the same time.



The display got a 27” AH-IPS panel with the Full HD 1920 × 1080‎ pixels resolution. This monitor features the 5 ms grey-to-grey response time, the 250 cd/m2 brightness, the 1000:1 contrast ratio and the 5 000 000:1 dynamic contrast. Viewing angles are 178 degrees horizontally and vertically.


ProLite XUB2790HS-2 obtained 2 W stereo speakers. DVI and HDMI digital interfaces, as well as the analogous D-Sub connector serve for the signal source linking. The power consumption claimed is 27 W.


This Iiyama specialty is fitted with a highly adjustable stand, allowing to modify tilt and rotation angles. Height can be set up in the range of 130 mm. Should the need arise one can also easily change the landscape orientation into the portrait one.


ProLite XUB2790HS-2, performed in …