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 …

Graphics Card Palit GTX 660 Ti JetStream Review

All graphics solutions represented in the market can be divided into three main groups: high-end cards that are destined for inveterate gamers and professionals, mainstream products for ordinary needs of average customers, and budgetary items for basic PC needs. Each of the segment is constantly replenishing with new products to satisfy the rising demands of consumers. Graphics solutions from Nvidia are widely represented in all three groups and enjoy popularity due to their advanced facilities. The company's latest adapter GTX 660 Ti doesn't have its own reference model, so each graphics card manufacturer is able to adjust it exactly to the individual model. Hence, Palit released its own card on the basis of Nvidia GTX 660 Ti adapter and codenamed it JetStream.



Integration


Palit GTX 660 Ti JetStream design is much alike the design implemented in Palit GTX 670 model. The new graphics card is based on a rather short circuit board that makes the cooling system unusually …

Crucial Showcases Voluminous MX300 Solid-State Drives

Crucial is about to launch a new series of voluminous SSDs, entitled MX300. The lineup consists of 2.5-inch models with thin cases (7 mm only), targeting as desktop so mobile platforms. Additionally, the delivery set offers a dedicated 2.5-inch frame for the installation into a 9.5-inch bay. The capacity of drives makes up 275 GB, 525 GB, 750 GB, 1 TB, and 2 TB.



SSDs Crucial MX300 is developed on 32-layer Micron 3D NAND TLC chips (48 GB) as well as Marvell 88SS1074 controller. Data transfer process is realized via SATA III (6 Gb/sec) interface. The maximal sequential Read/Write speed equals to 530 MB/sec/510 MB/sec. In its turn, the maximal random data transfer index approximates 83.000/92.000 IOPS (Read/Write).


The greenhorns are thought to support the following technologies: AES, ECC, T.R.I.M., Data Path Protection, S.M.A.R.T., Active Garbage Collection, Power Loss Prevention, and Extreme Energy Efficiency. Besides, Dynamic Write Acceleration identifies and writes the …
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Registered at: 22 May 2012, 10:43
Last visit: 22 May 2012, 10:43