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 …

MSI Introduces A88XI AC Motherboard for FM2+ Platform

The product line of MSI’s mini-ITX motherboards now welcomes a new-comer: the MSI A88XI AC. It takes AMD A88X chipset for Socket FM2+ platform as the basis; this implies the support for AMD Athlon and AMD A series CPUs (of all generations). The PCB offers two DIMM slots for the integration of DDR3-2133 MHz RAM (up to 32 GB). Upon the whole, this model is able to offer much more than other small-sized boards.



The MSI A88XI AC accommodates 4x SATA III 6 Gb/sec ports for the connection of drives and 1x PCI-e 3.0 x16 socket for the implementation of an add-on card. Network options are secured as by gigabit Ethernet controller, so by Bluetooth and Wi-Fi 802.11 ac modules. External I/O panel houses three audio ports, one S/PDIF out, one RJ-45, two USB 3.0 and four USB 2.0 ports, one PS/2 Combo port, and three video ports (HDMI, DVI-D and D-Sub).


Moreover, the support for 8-channel sound production (due to Realtek ALC887) and HDMI video port entails the playback of 4K Ultra HD …

Huntkey Showcases Its New PSU Series

A new PSU series, codenamed GS (Green Star), has replenished a line of products designed by Huntkey. This series is particularly targeting gamers, providing for the prime facilities and reliability. The models included into the lineup (GS550 and GS450) are equipped with two +12V buses and exclusively high-quality components that promote for the 82% PSU efficiency level. Both models house a 120 mm low-noise fan which is notable by the variable rotational speed.



Upon the whole, Huntkey GS series corresponds to ATX12V V2.3 standard and supports AMD and Intel CPUs. Both models are compatible with graphics adapters designed by Nvidia and AMD. They feature Active PFC which ensures true reliability on different loading conditions. The average time period of foolproof work is estimated at fifty thousand hours. Besides, both units have undergone two types of testing: high voltage and forced failure tests.


GS450 model operates at 200-240VA (50-60Hz) voltage and at nominal 350W. The …
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Registered at: 03 July 2011, 13:27
Last visit: 03 July 2011, 13:27