[Review] ENERMAX Revolution X'T II 650W PSU

nafu

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Jan 25, 2010
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Introduction
Enermax Technology was founded in 1990, and at time, it was well known for it's high quality power supplies, manufactured by owned manufacturing units. With the passage of time, the market competition gradually lifted, especially in the OEM market, which affect the Enemrax’s market share. They were OEM designer, but not anymore, and at present, Enermax Power supplies are not being manufactured by Enermax rather external company has been preferred for impeccable units.

Revolution X’T ll series is a success of revolution XT and is being powered by Channel well Technology (CWT). There are many known brands used CWT manufactured Power supplies, such as Corsair, Thermaltake, Antec etc. Since this unit is manufactured by CWT, we can expect something powerful and efficient.

Today, I am taking a look at Power supply unit which is Enermax Revolution X’T ll 650W with Model ERX650AWT. Enermax Revolution X’T ll 650W is featured with 80 PLUS certification - GOLD rating, suggesting it will provide up to 87% efficiency as least consideration. Using 100% 105°C Japanese Electrolytic capacitor in the build to ensures longevity and maximum stability of this unit. On paper specs, this power supply is offering 650W with 53 Ampere on a +12V rail. Such specs are maxing out this unit to 636 wattage at an efficiency of 92% at full load. So, all these high numbers are impressive, however, we’ll have to check out the power draw in our tests.

Enermax Revolution X’T ll product line comes in various wattages ranges ERX450AWT, ERX550AWT, ERX650AWT and ERX750AWT. The Review sample we have here is priced at $108.49 on Amazon.
Features & Specification
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It's a 87 PLUS ready PSU under minimum Load I: e 20% load, while it carries up to 92% maximum under 50% load. When 100% load applied to supply, the power delivering efficiency would drop from 92%.

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There are a couple of Protection features that the Enermax’s bundled in the unit.

The HeatGuard, Power use fan to keep running for about 20-30 seconds, even after you’ve shut down the PC, the fan would allow to dissipate the heat from inside. This feature will result in an improvement in the system's lifetime.

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The other one is CordGuard, Fix the AC Cord tightly to avoid any accidental PC shutdown.

Other features Enermax has offered to its customers through this PSU, is 13.9cm twister bearing fan, which carries low noise and long lifetime, I:e 160,000 hours MTBF. It’s a hybrid modular design with flat cables which accommodates in much better cable management; which also avoids mess in the case.

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The Package & The Content
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A Plain Black Box with colorful branding and product name in red & yellow color scheme. On top of the box, the product line is printed in yellow color at middle while the wattage is printed at bottom, and 80 PLUS GOLD right next to it. The other side of the box contains mostly the specifications and features in regards to power supply.

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Around the sides, features are printed in a list format.

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Inside the box, my first impression was the plastic wrapping coating which contains PSU and accessories. In addition, a manual resting on top of the PSU.

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While I unleashed the PSU along with several accessories and cables. We have Power supply itself, Cord, Cables in plastic bag, cord cable, Enermax plastic film bag, CordGuard in small plastic bag.

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I placed all the accessories a side and bring together Power supply and its cables. There are several cables includes
  • 1x 24P MB
  • 1x 4+4P(8P) CPU
  • 2x 2x 6+2P(8P) PCI-E
  • 2x 4x SATA
  • 1x 4x 4P Molex + Floppy Disk Drive (FDD)

Enermax Revo XT II 650W - The Exerior


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So finally, we are at core, Enermax has designed this Power supply, keeping in mind, the today's trend. Since the revolution X’T is a successful series of Enermax, the design layout not different; some minor changes it looks more or less first generation. Enermax technology has used a matte black finishing which I usually prefers on my products, too. The scratchless material on the body is scratchless, while the top contains the specification sticker having in detail specs regarding the power, voltages, and amperes.

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The Fan side, Enermax badge is placed at the middle of the Grill, presenting the company.

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Meanwhile, the PSU's both sides have a series description labelled in a light yellow color scheme. I feel it an exquisite work.

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The front rear side contains cable connections demonstrating hybrid modular design. ATX 24pin and 8 pin is internally built, while the peripheral and 2x GPU slots are dedicated as modular. Moreover, some informative material related to pins are stacked next to them.

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The ATX 24 pin Cable and 8 pin CPU along side.
Enermax Revo XT II 650W - The Interior
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The inside of PSU is unleashed, and looks pretty populated with many components.

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Enermax using Nipplon Chemi-Con (400V, 560uF each, 2000h @ 105 °C). Nipplon brand is renown as one of the efficient capacitor manufacturer among many in the market. Both primary and secondary phases using 105C capacitors. However, it won’t be much of benefit, if we see from technical point of view, rather a good marketing strategy for a product.

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At middle, we can see three transformers in yellow taping are referring to E216944 from Viking of B-2 Class.

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The cooling fan carries Enermax's logo and uses a twister bearing, which offers a long lifetime. Enermax cites a 160,000-hour MTBF for this fan.
Testing methodology

Test Setup
  • ASUS ROG Maximus VI HERO
  • Intel Core i5 4670K 3.6GHz
  • Kingston 2*4GB 1333mhz
  • EVGA GTX 980Ti 6GB SSC
  • Noctua NH-U14S CPU Cooler
  • 2x Seagate Hard Drive | 1x 128GB SSD
Program used
  • Prime95 28.5v - CPU Productivity
  • Intel BurnTest - CPU Productivity
  • AIDA64 4.7 Extreme - CPU Productivity
  • Unigine Heaven 4.0v Benchmark - System Load
  • Metro Last LIght Game - System Load
  • Battlefield 4 Game - System Load
Power Supply Testing is not any simple assignment as compare to any other PC component. Some high quality equipments are required to measured power consumption and voltages. However, they are highly expensive, not affordable even for small groups. In this regard, we, of course, not in the position to afford such luxurious items, so we went with a common tools but very effective, Kill-A-WATT, in order to measure the wattage. We are also using Decibel...

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