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 …

Lian Li to Release a Space-Saving PC-Q33 Chassis

Lian Li, a well-known hardware manufacturer from Taiwan, is ready to marvel the audience by one more offbeat PC case: the PC-Q33. The model is developed in a space-saving mini-ITX standard with 229x328x240 mm dimensions. Despite frugal size, an overall case capacity equals to 29.2 liters. This chassis features a quite laconic design, although will be available in two coating variations: black and silver. The implementation of a lock on the frontal panel is thought to be the model’s basic peculiarity.



The PC-Q33 is consistent with mini-ITX and mini-DTX motherboards and supports the installation of 220 mm graphics cards, as well as 180 mm CPU coolers. At the same time, the maximal length of the power supply unit should not be more than 200 mm. Internal layout presupposes the mounting of three 2.5-inch drives and a couple of 3.5-inch drives.


PCI Expansion slots are available in the amount of two only. The frontal panel accommodates two high-speed USB ports (3.0 v) and 3.5 mm …

ARM Readies Cortex-A72 and Mali-T880 for Mobile Devices

ARM has just announced a series of solutions for the upcoming next-generation mobile SoC. The most notable developments are Cortex-A72 processor and Mali-T880 graphics. According to the manufacturer, both components will be interconnected within SoC by means of CoreLink – CCI-500. The launch of new items is scheduled for 2016. Rockchip, MediaTek and HiSilicon are among the companies to integrate both elaborations into their products.



It should be noted that Cortex- A72 is a successor of Cortex-A57, taking analogous 64-bit operations but demonstrating three times higher performance. The new-comer will be designed under 16 nm FinFET+ technological process. Its layout corresponds to big.LITTLE framework requirements; this promotes for its combination with other ARM cores.


As far as Mali-T880 GPU is concerned, it provides for 1.8 response time increase if compared with the Mali-T760 model. Herewith, its power consumption is reduced by 40%. Moreover, this GPU might support 4K …
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Acer, inc. Aspire 3680 based on Acer, Inc. Prespa1

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