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 …

New Mini-ITX Motherboard H87E-ITX/ac from ASRock

ASRock, a Taiwanese manufacturer of motherboards, is eager to introduce its new elaboration – motherboard H87E-ITX/ac. The new-comer is designed in a compact mini-ITX form-factor and is destined for the creation of compact desktop systems. Chipset Intel H87 Express in combination with Intel Core (4th generation) LGA 1150 processors provide for utmost stability and high performance in the majority of working modes.

ASRock H87E-ITX/ac houses two slots for RAM memory modules of DDR3 type; the maximal volume of supported memory might achieve 32 GB. The board takes power by means of 24-pin ATX and 8-pin EPS connectors. Digi Power system, featuring DrMOS voltage regulators, allots four phases for providing power supply to the CPU. Expansion of facilities becomes possible due to a single PCI Express 3.0 x16 slot, a single miniPCI Express slot, a single eSATA port, and six SATA III 6 Gb/sec ports.

Network facilities are guaranteed by gigabit Ethernet port, Bluetooth 4.0 module, …

Wide-Screen Monitor AOC i2252Vwh Review

No one would dare to complain about the poor choice of wide-screen monitors, as this segment is presented by dozens of models targeted at various customer groups. Professionals seek to acquire exactly such monitors to work with up-to-date graphic, video and image formats, while average customers are craving for watching movies and videos in Full HD format. Monitor AOC i2252Vwh belongs to the flotilla of wide-screen products and is able to satisfy the needs of people appreciating outstanding color rendering and contrast.


Monitor AOC i2252Vwh is based on IPS architecture and goes with 1920x1080 resolution. Screen casing, standing and base are made of solid plastic with dull surface. The screen is equipped with LED indicator and is differentiated by the glare absence due to the dull texture. Five control buttons and status display are located in the bottom-right angle; button designations are impressed on the frontal frame. Interface, power and Kensington lock sockets …
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Registered at: 20 March 2011, 10:41
Last visit: 20 March 2011, 17:26