Nexus RX-1.1K PSU

Introduction & specifications

Nexus is one of the leading manufacturers of silent cooling systems and power supplies. We’ve had a chance to review quite a few of their products in the past and this time we will have a look at their newest, most powerful, power supply RX-1.1K.

About Nexus:

Check out their website,


1100 Watt true power PSU


88% efficiency; 80PLUS GOLD certified

nVidia SLI certified

Formfactor: ATX12V&EPS12V

Inaudible performance

Modular cables sleeved with X-mesh

Active PFC

Real Silent 13.5cm fan

Excellent airflow, honey-comb grill

Full range automatic; no voltage selection has to be set

Multiple safety features such as: overvoltage and short-circuit protection

Ball bearing fan

Complies to WEEE & RoHS

Version ATX 2.2

Size:150x86x158mm / 5.9×3.4×6.2in


Energy Efficient

The Nexus RX-1.1K GOLD 1100 Watt power supply is guaranteed to provide you with over  88% efficiency (see graph elsewhere on this page). This means the power supply is using the power it is drawing from the wall outlet more efficient and less electricity is wasted. Obviously this is better for the environment and it saves you on your electricity Bill! A more efficient power supply also results in a cooler power supply. So less cooling is needed and we are able to make the power supply even quieter.


By carefully selecting each component we aim at creating the best possible of mix of components to make our power supplies as silent as possible. We are confident that our power supplies are leading the market when it comes to solid performance at the lowest possible noise level. When we test the noise level  we do this in a ISO-certified chamber for noise tests. It is important to know that the background noise in such a chamber is a little over 15 dB(A). These are the best possible conditions for these tests and hence you should always be aware when a manufacturer is claiming dB(A) values lower then 15 dB(A). Because how are they able to measure this?

Modular & Sleeved Cables

Messy Cables interfere too much with the airflow inside your PC. The modular cable design allows you to only connect the connectors you really need. Plus all cables are sleeved with a quality black and white X-mesh for a clean good look.

Active PC Circuit

Power Factor Correction (PFC) allows the power distribution system to operate at maximum efficiency. This does not so much influence your electricity bill but it will also reduce energy consumption at the side of the power provider so it is contributing to using our planets resources better and more careful. Active PFC is technically more complex then passive PFC and matches the overall high quality standard and reliability of this Nexus power supplies.

Full Range Automatic

This power supply can be used on 115VAC and 230VAC input power. Selection is automatically made no voltage selection has to be set. Just plug in and go.

The Product:

Nexus RX-1.1K PSU Nexus RX-1.1K PSU
Please click on thumbnails to get bigger pictures

Our test sample came in black box that has a Nexus’s typical ‘clean’ look on it. On the front there’s a picture of the power supply itself with Nexus logo, and backside shows us some information about the specifications and main features of the unit.

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