Chieftec Showcases Five New PSUs from Navitas Series

Chieftec, one of the largest German hardware manufacturers, has recently introduced a new series of power supply units, codenamed Navitas. The series is represented by 5 models: GPM-650C with 650W nominal power, GPM-750C with 750W nominal power, GPM-850C with 850W nominal power, GPM-1000C with 1000W nominal power, and GPM-1250C with 1250W nominal power correspondingly. All the products have won 80Plus Gold certificate, due to more than 90% efficiency in the high workloads.



Chieftec Navitas PSUs correspond to ATX12V v2.3 standard and support Intel Core 4th gen. processors that require little current strength on +12V rail in sleep mode. The models also support active power-factor correction option to provide for the maximal stability during operation. They are equipped with a composite cable system and a single +12V rail, estimated for the maximal current from 54 A to 104 A (this index depends on the unit’s power).


All five units are cooled down by 140 mm fans with PWM …

Sapphire Pulse Radeon RX 550 Graphics Cards Are 158 mm Long

Radeon RX 550 graphics cards were to hit store shelves yesterday. The suggested price of the product is 80 USD, however, there is no reference sample. With this background, AMD partners may set prices of their own free choice.



The Sapphire Company introduced two RX 550 models under the Pulse Radeon RX 550 2GD5 and Pulse Radeon RX 550 4GD5 code names. It’s not hard to figure out, that the only difference between them lies in the memory volume.


The GPU boost clock of these video cards equals to 1,206 MHz, and the memory operates at the 7,000 MHz frequency. Owing to the low TDP level (50 W, as reported by AMD), the adapter doesn’t require a superpowerful cooling system. That’s why Sapphire models are rather compact – 158 mm long only!


Chilling is provided by a cooler with a small heatsink and one fan. The HDMI, DVI and DisplayPort interfaces are located on the rear panel.

MSI Announces Middle-End Graphics Card N770 TF 4GD5/OC

MSI announces one more representative of MSI Gaming series – a middle-end graphics solution, based on GeForce GTX 770 adapter. Codenamed N770 TF 4GD5/OC, the new-comer boasts an original design, the availability of factory overclocking, the implementation of a brand cooling system, called Twin Frozr IV, and high-quality Military Class IV components. This model is targeting those users who would like to equip their PC systems with up-dated, reliable and high-yield components.



MSI N770 TF 4GD5/OC takes GK104 chip as the basis of its operation. This chip is developed under 28 nm Kepler microarchitecture with 1536 CUDA cores. Clock frequencies in OC mode exceed those performed by the reference model and make up 1137 MHz in nominal mode, increasing to 1189 MHz on dynamic overclocking. GK104 is accompanied by 4 GB of GDDR5 memory with 256-bit interface; memory modules operate at 1752 MHz frequency in nominal mode and at 7010 MHz on overclocking.


This graphics card employs …
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Registered at: 04 May 2011, 22:32
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