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PSU Enhance EPS-1780GA4 800W Review

EPS-1700 series consists of six PSU models of 600W-1200W power efficiency. All units, without exception, can boast the correspondence to 80Plus Gold standard and the usage of high-quality Japanese capacitors in their framework. The operating temperature range varies from 0 to 40 degrees, depending upon conditions. PSU model EPS-1780GA4 800W cannot boast unique design, but is totally ready to cope with all set tasks due to the implemented power, reliability and potential.

General Peculiarities

EPS-1780GA4 800W is delivered in a large cardbox realized in black and goldish colors. The latter is predominant on a package to comply with the demands of 80Plus Gold products. The model is characterized by a quite typical design with a black casing, a black fan, and a black ventilation grid. There are no arty-crafty elements or eye-catching add-ons, but it will definitely catch the fancy of minimalists and practical customers. All essential PSU parameters are indicated on a delivery package. The +12VDC bus is claimed to value 792W (71A). The correlation of total power and power on a bus is valued at 0.99.

Consumer Experience

It should be noted that this PSU model is known to get high consumer experience level. This unit might become the most appropriate component in compact PC enclosures where the system consists of high-end elements but with an average drive subsystem. It will benefit also more voluminous enclosures but only on utilization of CPU power extender. Acoustic ergonomics is estimated also positively due to the average noise index. Electrical parameters are kept within the admissible range: power efficiency is typical and deviation from nominal voltage is not big.
Still, there is some room for improvement. The length of wires to the CPU power socket might appear to be not sufficient for the chassis with bottom part PSU localization. In addition, the number of sockets for SATA devices would rather go for a unit with 500W power, while a unit with 800W power requires more sockets.

Cable Management

The number of sockets is optimal for such a type of PSU. The only thing is that graphics card power sockets are located not on individual wires, though it would be better to have separate wires for the connection of two high-end adapters. The length of cables is sufficient for the unit's integration into PC enclosures of mini-tower, midi-tower, and full-tower standard. The overall list of sockets may be dwindled to:
— 24-pin Main Power (with 1 connector);
— 15-pin SATA (with 6 connectors on two wires);
— 8-pin SSI Processor (with 1 connector);
— 8-pin PCI Express VGA Power (with 2 connectors);
— 6-pin PCI Express 1.0 VGA Power (with 2 connectors);
— 4-pin 12V Power (with 1 connector);
— 4-pin Peripheral (with 6 connectors);
— 4-pin Floppy Drive (with 1 connector).

Ventilating System

Power supply unit EPS-1780GA4 is equipped with 135 mm fan which maximal rotational speed achieves the level of 1700 RPM. DFS1352512H fan (designed by YLTC) is based on a slide bearing. All basic semiconductor components are located on two voluminous T-shape radiators with 6 mm base. The radiators partially cover the adjacent elements (capacitors, transformers, throttles); this creates certain impediment for their cooling down. Independent power converters of +3.3VDC and+5VDC lines are installed on additional plates and are void of heat spreaders.
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  • 12 December 2012, 13:59
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