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 …

Corsair Introduces a Spacious 'Godzilla' PC Case

Corsair, known for its multifarious PC hardware products line, has introduced its new chassis with a promising name Obsidian 900D Godzilla. The attribute 'Godzilla' speaks for itself: the case features truly voluminous dimensions of 655x694x251 mm. Its weight is also impressive and its internal layout is ready to welcome the whole galaxy of motherboards of different form-factor, including ATX, XL-ATX, E-ATX, HP-ATX.



Obsidian 900D Godzilla goes in black coloring and one of its side panels is equipped with a transparent acrylic window that uncovers some internal components. Such impressive dimensions offer free spacing for the integration of fifteen (!) 3.5-inch (or 2.5-inch) drives, ten PCI expansions cards, and four bays for the drives of 5.25-inch dimensional type. The input/output interface panel is represented by 3.5 mm audio connectors, a pair of USB 2.0 ports and four USB 3.0 ports.


It should be stated that this PC case is delivered with a pre-installed water-cooling …

Lian Li to Combine Performance with Compact Size

Chassis of Full-Tower form-factor usually have solid framework due to the layout scheme and the necessity to enclose a lot of components. Developers from Lian Li company have totally demolished the current tendencies and announced the release of their PC-V750 Full-Tower model with the front-end PSU localization. This allowed the designers to dramatically decrement the size of the chassis without sacrificing its capacity and general specifications. The compact size of the chassis is considered to be a kind of ‘revolution’ in the market, since it is compatible not only with ATX and microATX motherboards, but also with Extended-ATX boards.



Lian Li PC-V750 casing is made of aluminum and approximates 7.35 kg in weight. Its dimensions provide for the installation of massive CPU-coolers (up to 170 mm in height), up to ten expansion cards, including 380 mm 3D cards. The chassis is equipped with five fans of 120 mm each: the two fans are located on the front plate, the other two – …
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