PSU Enermax Revolution87+ 750W Review

This year has become rather successful for Enermax, a well-known manufacturer of power supply units. The company supplemented its product lines with six series combined into four major groups: entry-level, athlete, royal, and gold class. Revolution87+ series belongs to the Gold Class group and involves five models (from 550W to 1000W power). Model Revolution87+ 750W is distinguished not only by the availability of 80Plus Gold certificate, but also by an original branded platform developed by Enermax specifically for this series.



Features


Enermax has implemented a few striking technical solutions in its Revolution87+ 750W power supply unit. The first attractive feature is a composite control over the main inverter. The control is realized by traditional pulse-width modulation method, as well as by simultaneous involvement of pulse-frequency modulation (the combination of width and frequency in control process).


Upon the whole, this PSU model is able to demonstrate up …

HIS Adds 7770 iCooler to Its Graphics Cards Arsenal

A new graphics card of an average efficiency has appeared in the arsenal of HIS manufacturers. Codenamed HIS 7770 iCooler (H777FN1G), the card is targeted those gamers who would like to receive a dual effect: the possibility to play all up-dated games and to satisfy all other graphics requirements for a reasonable price.



Model 7770 iCooler is based on AMD Cape Verde TX GPU, developed under 28 nm technological process and built on Graphics Core Next micro-architecture. It involves ten computing blocks and 640 current processors. The processing unit is expected to operate at the reference 1000 MHz clock frequency. The integrated GPU is accompanied by 1GB of GDDR5 memory which employs 128 bus; its nominal clock frequency starts at 1125MHz, while its effective frequency might achieve the margin of 4500MHz.


HIS 7770 iCooler employs PCI Express 3.0 x16 internal interface. A set of external video interfaces consists of HDMI, D-Sub and Dual-DVI ports that are able to ensure the …

Welcome in MSI GTX 970 Gaming 4G Golden Edition Video Card

MSI has finally gladdened its gaming fans with a new ‘golden’ graphics card, entitled GTX 970 Gaming 4G Golden Edition. The model is based on Nvidia’s GM204-200-A1 GPU (Maxwell architecture) with 1644 CUDA cores, 104 TMUs, 64 ROPs, and 13 SMM units. Connection with visual devices might be realized via dual DVI ports, a single HDMI, and one DisplayPort.



Thanks to the support of MSI Gaming App, users are free to select one of the working modes: Silent, Gaming or OC. Each of them is differentiated by nominal and dynamic clock frequencies, Hereby, in Silent mode this adapter runs at 1051 MHz/1178 MHz (nominal/dynamic); Gaming mode provides for 1140 MHz/1279 MHz frequency, while OC allows increasing both indices up to 1165 MHz/1317 MHz correspondingly.


The integrated GPU cooperates with 4 GB of GDDR5 memory (256-bit interface, 224 Gb/sec throughput index). Its nominal clock frequency makes up 1751 MHZ, but its efficient index rises up to 7010 MHz.


MSI GTX 970 Gaming …
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