Testing:
Good looks are nice, but the most important thing is the performance.
The following system components were installed for the tests:
• AMD Athlon 64 3200+ processor
• 1.5gb Generic 3200 DDR
• MSI K8T800 NEO-FIS2R motherboard (default settings)
• PNY Geforce FX 5600 Ultra video card
• 2 - WD 200GB SE hard drive
• Sony DVD-R 500A
• Logitech Cordless Trackball
• Logitech Cordless Keyboard
• 1 120mm Sunbeamtech Fan (exhaust)
• 1 80mm Sunbeamtech LED Fan (side intake)
• TRIO Front Panel
• Sunbeamtech Minibaybus
• CoolerMaster CoolDrive 4
• 2 - 120mm fans(Connected only for evaluation)
• USB 2.0 non-powered hub, with 2 USB Flash memory sticks(Connected only for evaluation)
• 4 - 18" CCFL (Connected only for evaluation)
• 6 - Generic LED 80mm Fans (Connected only for evaluation)
Power Supply Performance:
Using a Craftsman Auto-Ranging Multimeter (Model 82139), I recorded the idle and load voltages while running the following programs: SiSoft Sandra Burn-In Wizard, Folding @Home, and Everquest 2 for several hours. Below you will see the load
voltages for the three major rails, 12V, 5V and 3.3V.
The following chart shows the performance of the Sunbeamtech 450W at load conditions, compared to several other power supplies.
As you can see, the rails were putting out anywhere from 0.5% to 1.5% additional power over the rail specifications during Idle. During load conditions the voltages are pretty stable, barely fluctuating from the Idle ratings.
Please read on to the next page for more... Next
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