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 …

Gigabyte GA-F2A78M-D3H: Motherboard with Full Support for AMD Kaveri

Gigabyte has thoroughly prepared for the official launch of hybrid Kaveri APUs from AMD by designing a series of compatible motherboards, including a new micro-ATX GA-F2A78M-D3H model. The board is characterized by the availability of multiple interfaces and expansion slots, despite its modest dimensions (244x244 mm). It is based on AMD A78 chipset, supporting AMD A and Athlon II APUs (of Kaveri generation) for socket FM2+.



The motherboard offers four DIMM slots for the installation of DDR3-2400 MHz modules of up to 64 GB capacity (two-channel mode). It is able to house both, the modules supporting AMD Memory Profile and Intel Memory Profile profiles. Audio subsystem operates under the facilities of an integrated Realtek ALC887 codec; it ensures the production of 7.1-channel HD Audio sounding. Network powers are backed by gigabit Realtek RTL8111E controller.


To continue, the GA-F2A78M-D3H is equipped with four expansion slots, including PCI, PCIe 2.0 x16, PCIe 2.0 x1, and …

The GeForce GTX 1080 Ti Graphics Card Has Much In Common With Titan X, but Holds More Elements

Several days ago Nvidia has introduced its most effective consumer graphics card, namely GeForce GTX 1080 Ti. It is GP102 GPU based and holds 3,584 CUDAs. This device resembles the Titan X sample. Its graphics engine is the same, however, the number of ROP units (96) is higher, the memory bus (384 bits) is wider, the memory volume (12 GB) is bigger, frequencies are higher, and the price is much lower!



As it turned out, GeForce GTX 1080 Ti is produced with a PC-board of its high-end counterpart, but there are differences in electronic components. Thus, the power subsystem has been refined due to the duplicated quantity of MOSFET transistors. Now it is possible to overclock the adapter to higher frequencies. GTX 1080 Ti has got nine extra solid capacitors. The absence of a DVI port provides more vents on the back panel.


In general, for public users this product almost copies the more expensive Titan X model and at the same time can be more productive in games.
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Registered at: 03 April 2012, 21:41
Last visit: 04 April 2012, 13:15