ViewSonic TD2420: Monitor with Optical Touch Technology

ViewSonic, one of the leaders in the development of image display devices, has recently introduced a new 23.6-inch sensor monitor, codenamed TD2420. The model features 555.9x421.9x174.8 mm dimensions and supports two-point Optical Touch technology that recognizes up to two simultaneous touches, due to the integrated optical sensor. In addition, this display boasts anti-glare coverage and scratch-resistant surface (7H). Upon the whole, the product is designed to be used in medical or educational areas, as well as in home-based multimedia systems.



TD2420 accommodates TN panel and is equipped with LED backlight. It supports Full HD resolution (1920x1080) and is characterized by 5 ms response time (in Gray-to-Gray environment). The incorporation of an improved panel type resulted in the following image specifications: viewing angles make up 170/160 degrees (H/V), the maximal brightness achieves the index of 210 cd/m2, static contrast equals to 1000:1, and dynamic contrast equals to …

PSU Enhance EPS-1780GA4 800W Review

EPS-1700 series consists of six PSU models of 600W-1200W power efficiency. All units, without exception, can boast the correspondence to 80Plus Gold standard and the usage of high-quality Japanese capacitors in their framework. The operating temperature range varies from 0 to 40 degrees, depending upon conditions. PSU model EPS-1780GA4 800W cannot boast unique design, but is totally ready to cope with all set tasks due to the implemented power, reliability and potential.



General Peculiarities


EPS-1780GA4 800W is delivered in a large cardbox realized in black and goldish colors. The latter is predominant on a package to comply with the demands of 80Plus Gold products. The model is characterized by a quite typical design with a black casing, a black fan, and a black ventilation grid. There are no arty-crafty elements or eye-catching add-ons, but it will definitely catch the fancy of minimalists and practical customers. All essential PSU parameters are indicated on a delivery …

Nvidia Debuts with GeForce GTX 770 Graphics Adapter

Trailed by the flagship GeForce GTX 780 model, Nvidia officially launches one more high-performance graphics adapter of 700 series, codenamed GeForce GTX 770. Albeit the two products are rather similar in design (i.e. the incorporation of identical two-slot cooling system), their layout differs considerably. First of all, GTX 770 employs less efficient graphics core Nvidia GK104-425-A2 (28 nm) with 1536 CUDA cores, 128 TMUs, and 32 ROPs. At the same time this GPU operates at higher frequencies: 1046 MHz (nominal), 1085 MHz (dynamic).



Nvidia’s new entry comes either with 2 GB or 4 GB video memory modules of GDDR5 type. They employ 256-bit interface and ensure high bandwidth of 224 Gb/sec. Memory operational frequency is truly striking, demonstrating up to 1752 MHz (nominal) and up to 7010 MHz (dynamic) index. It should be noted that models with 4 GB modules will cost $50 more than those with 2 GB items (the recommended price makes up $399).


To continue, GeForce GTX 770 …
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Acer Aspire one

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