ViewSonic Outs XG03 Gaming Monitors

ViewSonic has enlarged its lineup of gaming products with another series of monitors – the XG03. The lineup currently consists of two models: XG2703 & XG2703-GS. The key differentiation between them lies in the support for AMD FreeSync (the first model) and Nvidia G-Sync (the second model). Consequently, the GX2703 employs red accents in design, whereas the XG2703-GS uses green detailing.

ViewSonic XG03 is based on 27-inch SuperClear IPS panel, featuring 2560x1440 pixels & 165 Hz refresh rate. The display boasts 16:9 aspect ratio, 178/178 degrees viewing angles, 1000:1 static contrast, 120M:1 dynamic contrast, 300 cd/m2 maximal brightness as well as 4 ms response time.

The abovementioned parameters refer to the XG2703-GS model that is already on sale (estimated price — $699.99). The other model will be released in the nearest future.

The models are thought to be equipped with a pair of 2-watt speakers, 100x100 mm VESA bracket, a couple of USB 3.0 ports, the same …

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 …

Motherboard ASRock Z87 Extreme6 (LGA1150 Platform) Review

Intel Z87 platform is masterfully penetrating into all global markets. ASRock is the company that has already managed to introduce a set of products based on this platform, including Z87 Extreme6 model. The very board is supposed to be an advanced solution for enthusiasts, containing all necessary for specific usage attributes: POST-indicator, a powerful VRM system with a massive heatsink, and a lot of other facilities mentioned below.

Design and Layout

ASRock Z87 Extreme6 is designed in ATX form-factor with 305x244 mm dimensions. Its top side accommodates a large number of components, while the reverse side revels in three driver-doublers (ISL6611A) of CPU power rails only. Intel Z87 chipset is cooled down by a voluminous heatsink. A couple of additional ASM1061 controllers are soldered right to the system logics; they allow for the usage of up to ten devices with SATA 6 Gb/sec connectivity interface. The board comes with an integrated Intel HD Graphics 4600 graphics core. …
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Registered at: 08 February 2012, 17:48
Last visit: 08 February 2012, 17:48