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Sigma Shark 635 Watt ATX Power Supply Review

Price: $99.99


I have seen it happen time and time again. Someone will bring me a list of what they want to buy to build a sweet gaming rig, or that server needed to host their critical files and they overlook one of the most important items. Sure, the Quad Core CPU will blaze through tasks like candy and that $500 video card will slice into max settings on any game out. Until I get to the end and see Generic 400W Power Supply for $35. A good PSU is the heart of any computer. Without it, the computer will not function. With all of the power supplies out there, how do you choose the right one though? It's not hard - you just have to find the one with the right balance of power and price. That's easy with the Sigma Shark 635w PSU.


Closer Look:

The Sigma Shark 635 Watt power supply comes boxed with a design that gives a taste to what the inside has to offer. If you are like me and enjoy the subtle lights neons glowing in your case, the front of the box will catch your eye with the blue illuminated fan showing. The back will give you a glimpse of the beast inside, along with highlights of the power supply.



The sides reiterate the features, as well as giving you information on the voltages for each of the two rails.



When you open up the flap on the box you, get to see what this power supply is made of. It is packaged tight to protect it and has all of the cables wound neatly to keep them from crimping while shipped. Getting the Sigma Shark 635 Watt PSU out of the box, you will notice that this one has all of the cabling wrapped with a black nylon mesh. This is a nice move by Sigma, as looks and cable management are a top priority for a true computer enthusiast. Included in the box is the Sigma Shark 635 Watt PSU, with mounting screws and the power cable. No instructions are included however, so you must know what you are doing to install it or just read here and I will show you coming up.


  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Closer Look (Cables)
  4. Installation
  5. Specifications & Features
  6. Testing
  7. Conclusion
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