PC Chassis Gigabyte Sumo Alfa Review

The multeity of PC chassis in the market might create a real confusion for entry-level consumers. Small-sized and big-sized, rectangular and square, black and white models are developed with the only purpose: to satisfy the demands of each particular customer group. Gigabyte, a hardware giant, knows how to attract potential clients to its new products. Sumo series of chassis is primarily targeting gamers due to a futuristic design and bright LED lighting. However, the latest model of this series, codenamed Sumo Alfa, is destined for a wider audience than gamers only and will perfectly suit PC enthusiasts, as well as, users with more modest requirements.


Chassis Gigabyte Sumo Alfa is designed in midi-tower form-factor with lower PSU localization. It is delivered in a mere black color of casing, supplemented by a few steel-like inlets on the frontal panel. The latter is given an unusual shape to justify the slogan 'The Future Begins': glossy surface with metallic …

HIS Radeon R9 290 IceQ X2: Graphics Card with an Offbeat Cooler

HIS has recently replenished its Radeon R9 series of graphics cards with a new model – the Radeon R9 290 IceQ X2. Based on AMD Hawaii Pro chip, this card is a combination of an ultimate efficiency and an offbeat design. The integrated GPU runs at an etalon frequency — 947 MHz. No changes have been incorporated into the frequency mode of GDDR5 memory: the 4 GB memory with 512-bus interface runs at nominal/effective 1250/5000 MHz frequency.

The major peculiarity pertained to the model is the employment of a proprietary two-slot cooler, codenamed IceQ X2. It consists of a spacious copper base (40x47.5 mm), a large aluminum heatsink, a pair of 89 mm fans, and five nickel-plated heatpipes: 2x 8 mm and 3x 6 mm. The cooler also accommodates additional heatspreaders, which dissipate heat in memory and VRM sections. Moreover, the framework boasts a dedicated stiffening plate that reduces loading on the printed circuit board.

To continue, HIS Radeon R9 290 IceQ X2 comes with two …

PSU Enermax Revolution87+ 750W Review

This year has become rather successful for Enermax, a well-known manufacturer of power supply units. The company supplemented its product lines with six series combined into four major groups: entry-level, athlete, royal, and gold class. Revolution87+ series belongs to the Gold Class group and involves five models (from 550W to 1000W power). Model Revolution87+ 750W is distinguished not only by the availability of 80Plus Gold certificate, but also by an original branded platform developed by Enermax specifically for this series.


Enermax has implemented a few striking technical solutions in its Revolution87+ 750W power supply unit. The first attractive feature is a composite control over the main inverter. The control is realized by traditional pulse-width modulation method, as well as by simultaneous involvement of pulse-frequency modulation (the combination of width and frequency in control process).

Upon the whole, this PSU model is able to demonstrate up …
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