Introduction
We would like to thank PC Power & Cooling for supplying the review sample.
Most users who know a thing or two about PSUs are familiar with the name PC Power & Cooling. A highly respectable company in the field, it has also been a part of the OCZ Corporation for several years now. The MK3 series surely was a significant milestone for PC P&C, as they abandoned strong beliefs contrary to top-mounted fans and modular cables for the first time with these units. Thankfully, they reconsidered and moved on to exploit new approaches, offering even higher-quality products that meet contemporary demands. It is, after all, a common truth that front-mounted fans struggle to efficiently move hot air out of a PSU, since their diameter cannot exceed 80 mm, which often produces a lot of noise, and, yes, non-modular cables are so '00.
So far, the Silencer MK3 series consisted of four units: one high-end PSU with 1200 W capacity and Platinum efficiency, and three mainstream ones with 400 – 600 W maximum power and Bronze efficiency. The gap between the Silencer MK3 1200 W flagship and the other three units of the series was huge, and PC P&C did something about it with the release of the 750 W and 850 W Silencer MK3 units featuring Gold efficiency. The aforementioned PSUs look like the perfect choice for someone who wants a medium capacity, high-quality unit that carries PC P&C’s logo. In this review, we will rigorously test the Silencer MK3 750 W or MK3S750.
The MK3S750 uses, in a snap, a semi-modular cabling design with cables that utilize heavy-duty connectors, is equipped with a switch for the selection of either normal or hybrid operation (where the fan isn’t engaged at low loads), and has a white-colored case, which will make it highly desirable amongst users that own or intend to buy a white chassis.
Specifications
| PC Power & Cooling MK3S750 Features & Specs |
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| Max. DC Output | 750W |
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| PFC | Active PFC |
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| Efficiency | 80 PLUS Gold |
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| Operating temperature | 0°C - 50°C |
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| Protections | Over Voltage Protection Under Voltage Protection Over Power Protection Short Circuit Protection |
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| Cooling | 140 mm Double Ball-Bearing Fan (RL4Z B1402512H) |
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| Dimensions | 150 mm (W) x 86 mm (H) x 180 mm (D) |
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| Weight | 2.1 kg |
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| Compliance | ATX12V v2.31, EPS 2.92 |
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| Warranty | 7 years |
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| Price at time of review (exc. VAT) | $149.99 (US), 115.90€ (EU) |
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Efficiency is Gold and its maximum operating temperature meets the ATX specification of 50°C. Its protection features only include the basic ones, and OTP (Over Temperature Protection) is not amongst them. OCP (Over Current Protection) hasn't been included either, since it is meaningless in a high capacity and single +12V rail unit.
The cooling fan utilizes ball bearings for increased longevity, which is a wise choice for a product with such a long warranty.
The unit's length exceeds the standard ATX specification of 16 cm by 2 cm, but you probably won't have any compatibility issues if you have a normal chassis. Finally, the unit's warranty is extra long at seven years, matching Corsair's warranty of their high-end PSU products. The price looks kind of stiff, but it is the MSRP, and the retail price will most likely be lower.
| PC Power & Cooling Silencer MK III 750 WPower Specs |
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| Rail | 3.3V | 5V | 12V | 5VSB | -12V |
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| Max. Power | 24A | 24A | 62A | 3A | 0.5A |
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| 120W | 744W | 15W | 6W |
| Total Max. Power | 750W |
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Only a single +12V rail equips the unit, and it can deliver up to 62 A, so it is quite strong. The minor rails have 120 W maximum combined output, which will easily cover all the needs of a modern system, and the 3 A maximum that the 5VSB can output will suffice in most cases.
Cables & Connectors, Power Distribution
| Native Cables |
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| ATX connector (625mm) | 20+4 pin |
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| 4+4 pin EPS12V/ATX12V (640mm) | 2 |
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| Modular Cables |
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| 6+2 pin PCIe (580mm) | 4 |
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| SATA (400mm+150mm+150mm+150mm) | 12 |
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| 4 pin Molex (400mm+150mm+150mm+150mm) | 4 |
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| FDD adapter (+100mm) | 1 |
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Thankfully, its native cables are limited to three, but that number could be two if the second EPS connector were to sit on a modular cable, something that is highly preferable because almost no one utilizes both EPS connectors.
The amount of provided cables and connectors is adequate for the capacity of the unit, but we have, lately, seen some high-end 750 W units with six PCIe connectors, and PC P&C could follow the same route since the +12V rail of the MK3S750 is quite strong.
The length of all cables is ideal and will allow the PSU to be installed easily, even into full tower cases, and the distance amongst all connectors is pretty large. Some gauges of the ATX connector (the +12V and the earth ones) are of 16AWG size, while the rest are of 18AWG size. All the other connectors also use the standard 18AWG.
Since this PSU features a single +12V rail, we do not have anything to comment on about its power distribution.
Packaging
The packaging is mostly white, and we find a faded image of the unit with exposed modular sockets on the front. The capacity description is in the top-right corner, and the corner below holds two badges for the PSU's seven-year warranty and its Gold efficiency.
There is nothing worth mentioning on this side.
Interested users (or reviewers) will find information on the length of all cables that equip the unit on this side.
On top are the series description and the warranty and efficiency badges. A small label in the bottom-left corner also shows the product's model number.
The rear has some interesting information, like the technical specifications of the unit, the power-distribution table, some paragraphs explaining the PSU's assets, two graphs showing the fan's speed during normal and hybrid operation, and the function of the fan-mode switch.