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 Network Drive IconBIT I-Stor IS308

Production of a new model is positioned as a replacement for modern routers with features of sharing USB-carriers. IS308 — the budget class — single-disk storage is a good device for visiting friends for movies, or for backup. In general, it is used for tasks which are not mission-critical of data loss. The speed and functionality are secondary, the main thing — the price and design. At a price of 90 $, IconBIT IS308 offers the buyer an autonomous Torrent-downloader, a network drive, support for protocols Samba and FTP, gigabit network interface and USB 3.0 port.

The device has stylish black aluminium hull and comes with a stand for vertical installation. IconBIT iS308 looks more like a normal external hard drive rather than the NAS. And if for someone Synology design seems too plastic, and QNAP — too angular, the iconBIT iS308 looks modern, simple and stylish.

The next thing that catches an eye — is the lack of a fan. Finally, there is a NAS with passive cooling. …

Graphics Card Asus Radeon HD7790-DC2OC-1GD5 Review

The state of business in graphics market is becoming more intense, due to a prompt increase of new items and a violent rivalry between the two major players: AMD and Nvidia. Each of them regularly gladdens customers with new adapters, as well as with new technologies, which make video and gaming experience a pleasure. In their turn, graphics cards manufacturers try not to lag behind in implementing these technologies into their own products. Asus, is one of such manufacturers. Its card HD7790-DC2OC-1GD5 is a bright evidence of a skilful incorporation of all novelties offered by an improved GCN architecture.


Graphics card Asus Radeon HD7790-DC2OC-1GD5 is delivered in a small-sized cardbox stuffed additionally with CrossFire bridge and DVI/D-Sub adapter. The length of PCB equals to 17 cm, while the overall length of the adapter achieves 22 cm. Power supply socket snap is turned upwards in order to prevent the hanging heatsink from interfering with power cord …
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Location: Украина, Киев
Registered at: 25 August 2011, 09:39
Last visit: 21 December 2012, 22:35