There's nothing worse than opening up a power supply and seeing some really small, measley components.  A power supply is one of those components that you can usually tell how good it is by the weight.  The better components that are used in power supplies tend to be a little heavier than the cheapies.  The Shark didn't disappoint me, it looks like they have used some pretty decent components.

      I will be using a volt meter and taking the readings directly from the power supply.  I'm not too fond of monitoring programs as they can vary from program to program.  I monitored the voltages at idle and load.  We are working on getting a power supply test rig that is capable of putting different loads on a power supply, but until then we'll just have to monitor the volts on the rails and provide the results.

    The thing you want to remember about power supplies is the bigger the number doesn't mean it's better.  Power supplies have a range that they operate in.  Too much voltage will damage your components and not enough voltage could also damage your components.  We are looking for power supplies that can provide a steady amount of voltage without a lot of fluctuation.  Sigma has done a fine job on the Shark.  The voltages held strong throughout testing with only minor fluctuations.

Conclusion..... 

      The Sigma Shark is a pretty decent power supply for under $100.  It is probably one of the coolest looking power supplies I've seen in a long time.  The fins, solid aluminum body and dual blue LED fans, make the Shark a strikingly good-looking unit.  However, looks will only get you so far.  The power supply is only a 635 watt power supply.  That wouldn't be so bad if it were a certified 80% efficient unit.  You'll have to calculate your own system and see if 635 watts is going to be enough for you.  The Shark had no problems with the test system in the chart above.  That's a single GTS with a C2D that's overclocked to 4Ghz.  Overall this is a very good power supply for the price.  Best of all, Newegg is having a $30 mail in rebate starting in March.  For you mathematically challenged, that brings the price before shipping to only $69.99.

Note: Club Overclocker is now using a new rating system based on a score of 1 to 5.
Please go to our rating system page for more information.

Performance:	4 out of 5
Innovation:	4 out of 5
Quality:	4 out of 5
Stability:	N/A
Aesthetics:	5 out of 5
Software/Drivers Pack:	N/A
Overclocking:	N/A
Value:	4 out of 5
Project Skill Level (5 being most difficult)	2 out of 5