Enermax has always produced solid results for us and we've always been eager to test out anything new they've had to offer. Up until now, we've focused on most of their higher end products such as the Revolution87+, Platimax, and MaxREVO power supplies. This is due the massive amounts of power that have been required by enthusiasts since about 2005. Around that time we saw a massive shift in the power required by both CPU's and GPU's, and multi-GPU configurations were just starting to make their second debut after being lost with the Voodoo 2. This increased power requirements even more.
The last several years have brought those power requirements back down to a more respectable level and those should drop even more when Haswell comes along. My personal gaming rig currently consists of a Core-i7 3770K, Radeon 7970 and 16GB of RAM with a single SSD and a single platter drive for storage. Even under full load, I don't peak beyond 400W and I feel it is safe to bet that most single-GPU gamers don't either so long as the system was built in the last couple of years.
These reduced power requirements give gamers and entry level enthusiasts the ability to consider lower wattage power supplies like the new Enermax unit we've got on the bench today. The new NAXN ADV 650W power supply should more than fulfill the requirements of anyone utilizing a single GPU and as long as you're not using high-end GPUs, it should be able to handle a pair of them, too.
Let's move on to what it's made of on paper and take a deeper look in this unit from Enermax.
Specifications, Availability and Pricing
The new Enermax NAXN ADV 650W power supply features a single 12V rail. It is rated for 50A of 600W of power. Both the 3.3V and 5V rails are rated for 20A each with maximum combined output of 120W. The 5VSB rail is rated for 2.5A or 12.5W, which is a bit lower than we are used to seeing, but should still be okay. Maximum combined output for the power supply is 650W.
Moving on to the features list, we see that a few things are missing. This is to be expected with entry level units and what is lacking here is to be expected. The NAXN ADV 650W features SCP, OVP, OCP and OPP, but lacks OTP. The power supply features all native cables and none of them are sleeved. The upside to this is that ALL of the cables including the 20+4 pin Main are of the flat ribbon type and should be easily routed within the case. Enermax does not rate the NAXN ADV 650W for 100% continuous output at 50C, but does rate it at 40C instead. Again, this is to be expected with a more entry level unit. Finally, the power supple is rated for 80 PLUS Bronze efficiency.
Enermax lists the NAXN ADV 650W with an MSRP $99.99. This definitely puts the price higher than a large majority of the competition, especially for 80 PLUS Bronze rated units. Enermax says that the unit is available now, but we couldn't track down a unit for sale. I would expect that once a few places get it in stock that the price would be a bit lower than that thus adding some value to the unit and making it a bit more competitively priced, but that is pure speculation at this point. As far as the warranty for the NAXN ADV 650W is concerned, Enermax backs the unit by a three year warranty. This is generally a sign that we are going to see capacitors on the inside that we don't like to see, but we won't know until we crack the unit open.
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