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The NJ700 is designed so as to be installed with the vents facing upwards, letting the hot air rise and ultimately exit the case via other fans or vents. Due to its thermal design, however, we would not recommend installing it inside a case with a tight PSU cover because it would essentially block any heat transfer from the unit.
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#SILENT INSTALL BUILDER REVIEW PC#
Still, there should not be any clearance issues with any but the most restrictive of PC cases. Its chassis is dimensionally close to that of an ATX unit but the NJ700 is 170 mm long, making it a bit longer than what the ATX standard dictates. The perforation pattern alone is enough to hint the OEM behind this PSU’s creation to a seasoned expert. The SilverStone Nightjar NJ700 definitely is an irregular design, with all surfaces except its bottom perforated to allow for the maximum possible passive airflow. The SilverStone Nightjar NJ700 PSU External Appearance The main 24-pin ATX cable is made of all-black wires too but they are bundled and held inside a black nylon sleeve. With the exception of the 24-pin ATX cable, the rest of the cables are ribbon-like, “flat” type. The SilverStone Nightjar NJ700 is a fully modular PSU and every cable, including the 24-pin ATX cable, can be detached. Inside the box, we find the mounting screws, the required AC power cable, a thorough manual, numerous cable ties, and five high-quality black/white cable straps. SilverStone usually goes with the bare minimum number of bundled items, but the NJ700 seems to be an exception. On the other hand, the box is sizable and with very thick exterior walls, providing ample shipping protection. The artwork is simplistic, with a blue/gold color theme and based around a picture of the PSU itself. We received the SilverStone NJ700 in an aesthetically simple but practical cardboard box.
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The unique aspect of the Nightjar NJ700 is the high power output of 700 Watts, which requires an amazingly efficient design to be able to cope with the thermal losses without any active cooling. Although passively cooled PSU are as rare as hen’s teeth, we have seen several passively cooled PSUs in the past, including our recent review of SilverStone’s own Nightjar NJ450-SXL. In today’s review, we are having a look at a PSU from SilverStone that puts that rule to the test: the Nightjar NJ700, a 700 Watt ATX PSU that is so efficient and well-designed so as to require no active air cooling at all. As a result, what we often find is that the higher quality (higher priced) a PSU is, the quieter it operates. Thankfully, improvements in PSU efficiency have been driving down the amount of waste heat (and thus noise) over the years – at least for the higher-end models. Low-cost PSUs tend to be less efficient – losing a larger portion of their input power to waste heat – and as a result they rely on a strong flow of air rather than heatsink surface area alone in order to dissipate heat, which makes them quite loud when power requirements are high. One of the major noise sources inside a PC is the power supply unit (PSU).
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#SILENT INSTALL BUILDER REVIEW PROFESSIONAL#
The same goes for users who combine their professional and gaming needs into one system or, for whatever reason, they require abundant processing power to perform their profession. When a PC is installed in the living room, it needs to be powerful enough for games, but still quiet while playing/streaming media. For users who want to build a high-performance entertainment center, however, noise can be a significant issue. This typically is not a concern for gamers, as the noise generated by the PC is often overshadowed by the speakers or headphones. Although PC components are getting more and more efficient, the general rule still holds: a powerful PC will come with significant cooling requirements. One particularly annoying drawback of nearly all powerful electronics is the noise generated from their required coolers.