Graphics Card HIS 7850 IceQ X Turbo X Review

The number of graphics solutions designed by HIS cannot be figured from a cursory calculation only. Indeed, the company's product line counts dozens of cards destined at various audiences, with various needs and budgets. Take HIS HD 7850 series alone: it consists of ten models (three with 1GB memory and seven with 2GB memory). The latest HIS 7850 IceQ X Turbo X belongs to '2GB echelon' and is distinguished by the heightened GPU and memory frequency. Upon the whole, this graphics adapter features outstanding cooling and overclocking facilities.

Design and PCB

Graphics adapter HIS 7850 IceQ X Turbo X is a standard representative of the second HD 7850 revision. It is housed on a short printed circuit board and is equipped with only a single power socket, two heatpipes and a large fan. HIS developers advanced the heatpipes outside the board to elongate its contours; nevertheless, this card can't be considered voluminous, since its width hasn't been touched at all. The top part …

Modular Power Supply 650W Chieftec A80

Evaluating the effectiveness of modern computer power supplies, the most attention is paid to their coefficient of performance (COP) at a given load — usually means of 20%, 50% and 100%. At the same time, not less important requirement, established by standard 80PLUS should be considered. That means — the preservation of this level of performance for all occurring in the world supply voltage variations, that is in the range of 100-240 V.

The standard rules of 80PLUS at different levels (Basic, Bronze, Silver, Gold, Platinum, etc.) are performed for two voltage 115 V and 230 V. In both cases, the normalized PS should show the efficiency of not less than specified for each category level. Not usual power supply CTG-650C model of the new A-80 series from the Chieftec company is interesting in that it has officially claimed efficiency of 85% or more, but only for nets 220-240 V.

As the advantages of such solution can immediately be noted a lower price, due to less stringent …

Meet New PSU Tesla R2 from Fractal Design

Fractal Design is the company that distinguishes from its competitors by the incessant dedication towards each product's design and performance. Its recent power supply units lineup, Tesla R2, can be called a benchmark of style and refinement. Of course, the company did not forget about the PSU performance, implementing only the innovative technologies in its development. Tesla R2 series framework and configuration will initially serve the needs of high-end and high-demanding gaming PCs and workstations.

Tesla R2 series has got 80Plus certificate which implies that the product is highly efficient and can compete for the market winning. At the same time, it is characterized by low power consumption which is achieved due to the implemented technologies on heat production decrease. Tesla R2 is equipped with 135 mm fan based on Long Life bearing. It is distinguished by the low-speed rotation and, as a consequence, decreased noise level.

To continue, this PSU is compatible …
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Dell Computer Corporation OptiPlex GX270 based on Dell Computer Corp. 0U1325

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