New Biostar TB350-BTC and TA320-BTC System Boards Are Aimed at AMD Ryzen CPUs with an AM4 Socket

Biostar is well-known for its mainboards, and at present customers have a possibility to try the company's new products under the TB350-BTC and TA320-BTC code names. The specialties are aimed at AM4 AMD Ryzen processors. Despite different chipsets –AMD A320 and B350 – both models feature the same PC-board.



A refined structure of the baseboard is corrosion and high humidity protected, and the power system is able to hold substantial currents. The product has two DDR4 slots (32 GB in total). The maximum RAM frequency depends on modules’ number and configuration, however, the 3,200 MHz value is claimed for the Biostar TB350-BTC card and 2,667 MHz – for the TA320-BTC sample. The ATX motherboard possesses four SATA (6 GBps) ports, one PCI-E 3.0 x16, two PCI-E 3.0 x1 and three PCI-E 2.0 x1 slots.


The Gigabit Ethernet network port is connected to the Realtek RTL8111H controller and secured from voltage surges. The mounting bar offers four USB 3.1 Gen1 ports, as well as two …

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 …

Review of Headphones AKG K451

Traditional headphones do not lose their topicality even with the development of high technologies and with the emergence of ever newer gadgets. This fact can be easily explained by their comfort in usage and portability. Headphones are designated for usage in home conditions as well as outdoors or in transport. This accessory is usually bantam, and can be, with certainty, attributed to the class of universal devices. Headphones AKG K451 may be connected practically with any device, starting from MP3 stereo, audio system, and finishing with PC, laptop or iPad.


Basic Features of AKG K451


Headphones AKG K451 are accredited to the class of wired accessories with the bandwidth from 11 to 29000 Hz. Heightened susceptibility of headphones, which reaches up to 126 dB/mW, is considered to be quite an attractive peculiarity. Such susceptibility means that the sounding will be played back with the optimal legibility and volume even if the volume button at the device is set for …
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Registered at: 31 October 2012, 01:39
Last visit: 31 October 2012, 01:39