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 …

PowerColor Outs an Overclocked Radeon R9 270 OC Graphics Card

Along with other AMD partners, PowerColor has elaborated its own version of Radeon R9 270 adapter. The PowerColor Radeon R9 270 OC is differentiated from rival products by an improved cooling system and factory overclocked frequencies. Its release is scheduled for late November and the retail price won’t hit over $180.



To begin with, this graphics card is naturally based on AMD Curacao Pro GPU, developed under 28 nm technological process. It consists of 1280 current processors, 32 ROPs and 64 TMUs. The core runs at 930 MHz frequency and is able to gain 955 MHz frequency on overclocking. The incorporation of GDDR5 memory (2 GB) with 256-bit bus interface ensures some striking bandwidth of 180 Gb/sec; this provides for the support of gaming applications with high resolution. Memory chip operates at 1400 MHz nominal frequency but might gain the index of 5600 MHz of effective frequency on overclocking.


Cooling system, implemented within Radeon R9 270 OC, cannot be called …

A Pair of Monitors with 5:4 Aspect Ratio from iiyama

Iiyama, a Japanese monitor manufacturer, replenished its product line with a pair of displays with an unusual aspect ratio. Models E1980SD-W1and E1980SD-B1 feature 5:4 aspect ratio and differ from each other only by the color of casing (white and black). Along with all up-dated technologies and possibilities, iiyama offers a 3-year limited warranty that secures absolutely free servicing for all customers. The recommended price for the new entries is established at $177 mark.



Monitors E1980SD-W1and E1980SD-B1 employ TN+film panel type and are characterized by 5 ms array response time (transfer from White to Gray). The nominal resolution of 1280x1024 ensures good viewing angles (170 degrees across and 160 degrees down), 250 cd/m2 maximal brightness, and 1000:1 maximal static contrast with five million to 1 dynamic contrast. Option iStyleColor is responsible for the improvement of image quality.


Both models are characterized by the reduced showings of power consumption. …
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Hewlett-Packard HP Compaq dx6120 MT(PW288ES) based on Hewlett-Packard 09CCh

  • CDROM
  • COMPUTER
  • DISKDRIVE
  • DISPLAY
  • FDC
  • HDC
  • HIDCLASS
  • IMAGE
  • KEYBOARD
  • MEDIA
  • MONITOR
  • MOUSE
  • NET
  • PORTS
  • PROCESSOR
  • SYSTEM
  • USB
  • VOLUME