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 …

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 …

HIS RX 460 4 GB Slim-iCooler OC Graphics Card with a Single-Slot Cooler

Welcome an extraordinary and a very interesting graphics adapter solution from HIS, namely the HIS RX 460 4 GB Slim-iCooler OC (HS-460R4TCNR). While most of competitive prototypes possess coolers with two slots, this sample is equipped with a single-slot cooling system. This highlighting moment lets HIS RX 460 4 GB Slim-iCooler OC occupy less place in a chassis.



The new product is based on the AMD Polaris 11 graphics engine and supports 896 streaming processors, 56 texture and 16 raster units. The GPU base clock matches the benchmark of 1090 MHz, and the dynamic frequency has increased from 1200 MHz to 1220 MHz. Video RAM encloses 4 GB GDDR5 chips with the 7000 MHz effective frequency and 128-bit bus, which goes in accordance with the reference scope of functionality.


The cooling system of HIS RX 460 4GB Slim-iCooler OC consists of a compact heatsink and an axial flow fan. The front-end interface set offers such ports as DVI, HDMI and DisplayPort.
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Registered at: 10 March 2012, 13:53
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