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 …

Trendnet Releases USB-hub with 4 High-Speed USB 2.0 Ports

Trendnet decided to gladden all customers who need additional extension facilities for their desktop or mobile systems by releasing a new USB-hub with four high-speed USB 2.0 ports. The hub, entitled TU2-400E, features 60x50x15 mm dimensions and owns CE/FCC certification.




Its main predestination is to connect USB flash-drives, MP3 players, printers, photo/video cameras, and other USB drives with desktop/laptop PC system. Moreover, the user doesn't need to search for dedicated adapters to enable the hub, since the connection is realized via a standard USB port on PC and a special elongated cable.


Trendnet TU2-400E works without any particular software or drivers. The basic thing is that the connected devices should employ USB 2.0 or USB 1.1/1.0 interfaces. It is powered directly from PC USB port. Also, the casing contains a socket for additional PSU which is able to supply power to all connected devices.


The model is notable by high data transfer speed that …

CPU Cooling System Scythe Mugen 3 Rev. B PCGH Edition Review

With the appearance of ever mighty CPUs that demonstrate utmost performance and overclocking properties, the call for powerful cooling systems has become rather acute. It is explained by the necessity to efficiently manage high temperatures and save the system from overheating, and as a result, from malfunctioning. At the same time, customers became more demanding as for the noise level of coolers. That is why, many companies try to comply with the prevailing tendencies by delivering low-noise and high-efficient products. CPU cooler Scythe Mugen 3 Rev. B PCGH Edition is ready to offer all required facilities to be implemented in high-end computer systems.



General Framework Peculiarities


The postfix PCGH Edition in the codename of this CPU cooling system implies the employment of two fans in the framework. The basic technological peculiarity of this model is that both fans are rotated at constant speed (800 rpm), as compared to the one-fan systems where rotational speed …
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Dell Inc. OptiPlex GX520 based on Dell Inc. 0WG233

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