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Power Supply Unit Hiper Type M900 Review

The market of power supply units is full of beneficial options from a range of designers. Some of them are resplendent with new products rather often, the others release the units rather seldom but right on target. Hiper belongs exactly to the last mentioned designers, rejoicing its potential customers with only high-quality solutions. PSU Hiper Type M900 is a worthy representative of M series that is known to be efficient in the majority of operational modes. Let’s review this model in more details.

General Information

Hiper Type M900 is delivered in a small-sized cardbox with a convenient handle. The unit itself is housed in a matte black case with a spacious ventilation grid covering a high-performance fan. All key specifications can be found at the unit’s case: +12VDC rail is able to handle 900 W power at 75 A; the correlation of power on +12VDC rail with the total power makes up the maximal 1.0 index.

Sockets and Connectors

This power supply unit features a standard set of sockets for the connection of multi-purpose cables. The whole list of sockets with connectors is listed below:
1. 24-pin Main Power socket (with one demountable connector).
2. 15-pin SATA socket (with eight connectors on two wires).
3. 8-pin PCIe 2.0 VGA Power socket (with four demountable connectors).
4. 8-pin SSI Processor socket (with a single demountable connector).
5. 6-pin PCIe 1.0 VGA Power socket.
6. 4-pin 12V Power socket.
7. 4-pin Peripheral socket with four connectors.
8. 4-pin Floppy Drive socket with a single connector.

The number of sockets is considered to be quite sufficient for the mid-end product. Nevertheless, considering the claimed power, it would be more appropriate to have more SATA Power sockets placed on three wires; VGA Power sockets would serve better on individual wires, since 900 W power allows employing this PSU in configurations with two efficient graphics cards.

Cable length is medium. It will be quite sufficient for placing the unit into mini-tower, midi-tower and full-tower PC chassis (either with top or bottom localization).

Cooler

Hiper Type M900 is initially equipped with a pre-installed 140 mm fan with a violet backlight, designed by Globe Fan. It is based on a sleeve bearing and features two-contact connectivity. According to the manufacturer, this fan is able to develop the speed up to 1800 RPM.

Independent inverters on +3.3VDC and +5VDC rails are located on the mainboard and do not have a supplementary heat dissipation device. Power elements of +12VDC main channel rectifier have got a supplementary cooling: transistors are accompanied by rather complex heatsinks, having dedicated heat spreaders in their framework.

Efficiency

Numerous testing results prove that efficiency of this PSU surpasses the index of 90% in the power range from 300 W to 700 W. The maximal recorded index makes up 91.5% at 500 W loading. Efficiency index at 50 W power makes up approximately 77.7%, at 30 W – about 73%. In the context of conversion efficiency, the most optimal range of usage fluctuates within the measures of 50-700 W.

Noise Level

The only point that deserves censures is noise level. Type M900 can’t be called a silent solution. Quite the contrary, it’s rather noisy in the majority of operational modes. Fan operational noise supersedes third-party noise; this deteriorates the unit’s acoustic appeal.
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  • 22 May 2013, 18:53
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