Nexus RX-6300 630 Watt Modular Power Supply
The Nexus RX-6300 is a great mid to high end computer power supply with the modular cable connections for versatile and customized installations and 82% efficient power supplies.
Ease of Use, Performance: 21/25
Look & Feel: 18/25
Features 22/25
How much I enjoy 22/25
Total: 83/100
Nexus sent me a PSU from their RX series in the RX-6300 Modular Power Supply that is 82% energy efficient and really very quiet for a great performing power supply. The Nexus RX-6300 is a 630 watt power supply that uses a modular cable system with the two main power connections for a motherboard, a 6 plus 2 PCIe power cable and an 8 pin (4+4) permanently attached.
This means the other cables including another 6 pin PCIe, 2 3X SATA power cables and two 3X molex pin with floppy power cables are removable for easy customization. The RX-6300 also comes with a power cable and the four mounting screws for installation along with the five power cables.
The RX-6300 is an energy efficient power supply with a rating of 82% efficient with an 80PLUS Bronze specification for energy efficiency. The RX-6300 has a single 12 volt rail and can power a very current system with single or dual video cards depending on the system.
The power supply of course is not going to be tested for performance other than using it for a month as I do not have a test bed to perform anything more than power output. A real test of the efficiency, performance and electrical noise is done by their quality control and does take some very expensive equipment which I am just not going to be able to use.
For this kind of extensive testing you have to look at other sites but you are probably not going to find many sites that do the correct testing. I am only aware of two that have the expensive equipment currently that correctly tests power supplies for these factors.
AnandTech and Hardware Secrets websites have the required expensive equipment and they also have some great articles about testing, power supply myths and more about this important part of a computer. I highly recommend checking them out when looking for help in power supplies and all about them as well as the various components in them and what they do.
The Nexus RX-6300 has the usual power management and filter circuits made from better parts and I did see on Hardware Secrets that the power supply did very well in their testing. The RX-6300 is a better power supply and like Hardware Secrets did mention they have an efficiency good enough for the 80Plus Bronze rating and did get it since that review.
I ran the Nexus RX-6300 in two systems with an Intel based and an AMD based computer as I was doing a few computer case changes during this time and changed things around with my two systems. In both computers the power supply performed without any problems on both an older, only 2 years, AMD system overclocked to 3.00 GHz with an NVIDIA 9800 GTX+ video card, DVD and Blu-ray drives, Auzen X-Fi sound card and the various fans, LEDs and couple of hard drives installed.
My Intel system had the Q6600 Core 2 Quad processor overclocked to 2.9 GHz with the PNY NVIDIA 9800 GTX+ video card, Plextor Blu-ray drive and a DVD drive, Auzen X-Fi sound card and assorted fans, LEDS and a couple of hard drives. I did use both systems and found the RX-6300 was easy to remove as well as install especially with the modular cables and using the permanent ones.
I like the mix because when using the permanent cables for this power supply you will probably have them all connected anyway with most current systems using them for the motherboard and or video cards. You also have a good choice of power for the other devices like hard drives and peripherals with the assortment of cables included.
RAID systems up to four drives should be no problem or even three or four video cards as long as you don’t go over the 630 watts supplied by this PSU. If you need more power from your supply Nexus has higher wattage supplies in the same series up to 1000 watts for those fuller systems.
I found the power supply is very quiet and really could not get any readings from a C weighted audio level meter unless I was within a couple of inches of the fan. The levels were surround noise from other things and this was with the supply sitting on a table and nothing else near it.
I find that the hard drives in my system and a couple of fans that are permanently installed in the case are now the noisiest things in my systems while using the RX-6300. The power supply is well built with good heat sinks for the power transistors and a good setup internally.
I open up power supplies and check out things like the size of the choke coils and capacitors used as well as the heat sinks and the general layout. The inside is nice and organized with good circuit layout and everything you would expect in a well built power supply.
Other than inspecting the insides and checking for the required filter and power management circuits and checking the heat sinks I only could run the supply, check putput voltages and check heat levels internally with an infrared sensor. I had no problems with any of the testing and saw more than acceptable temperatures inside the power supply for as well as I could check.
Getting internal temperatures is kind of hard while testing the supply but I saw nothing that was alarming or even of concerns using my simple tester. I also had no problems with the power supply while stress testing the computers I used it in and did have this in both systems while regular gaming and computing which would be probably above average for the general user.
I use my system about 10 to 14 hours a day while testing hardware and software, running intensive programs like video editing and website design programs including video and audio. I also do the general gaming on overclocked system parts so my computer does get more than the average use so my in system testing during my normal usage is pretty heavy.
The Nexus RX-6300 did perform well and I had no problems during all my use and can recommend this as a very good power supply for mid to high end systems. If you are going to use this in a higher end system you may want to ensure you have the correct connectors and enough wattage for your needs.
The Nexus power supplies in the RX series in both my simple testing and installation as well as the higher end testing that Hardware Secrets performed shows the RX-63000 truly is a diamond in the rough and well worth the cost.