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-- BFG Tech 650W PSU
-- Category: Review
-- Posted by: dave303
-- Posted on: 2006-09-22
-- Price: ~ $129.99 USD
-- Pages: 1 [ 2 ]
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Now that we've dissected our victim, it's time to put him in his new home.  But first, here are the listed specs:

  • ATX 12V 2.0/EPS12V
  • Dual 12V Rails
  • SATA Connector
  • PCI Express Ready
  • BFG Silent Control Technology
  • Protection Circuitry
  • MTBF: 140,000 Hours
  • Safety Approval: UL, CE, FCC CLASS B


Power Supply Mounted

Here is the PSU, nice and snug in his new home... or so I thought.


As you can see, the ATX cable is short by about two inches.  Oops.  My solution?

Reversed PSU Mounting

To fix the problem, I did some modification to my case to allow me to flip the PSU upside down.  This gave me the extra length I needed to reach the plugs on the motherboard. 

ATX Connector... connected

As you can see, it's still a pretty tight fit.  People with full towers or non-standard cases could run into this problem quite easily.

Now that we have everything running, we can take a look at the performance.

BIOS Screenshot
BIOS Listing of all voltages.

DFI Montioring Tool
DFI Smart Guardian voltage readings.

DFI Smart Guardian
Options page listing the desired voltage and the acceptable range for each.

As you can see, all the voltages fall into the acceptable ranges according to the hardware monitoring included with the motherboard.

Now it's time to break out the multimeter and take some independent readings.

Multimeter on 5V rail
Reading on the 5V Rail.

Multimeter on the 12V rail
Reading on the 12V rail.

The readings by the multimeter confirm that the voltages being produced fall well within acceptable tolerances for a power supply, even will a substantial load on the system.

BFG Tech has a nice PSU with lots of power that is more than capable of keeping a power hungry system up and running, even if you have a SLI or Crossfire setup going full blast. The turbo fan boost is not really that useful, but if you were in a high noise environment anyway, you might as well leave it on.  The fans are not that much louder with it engaged, but it is noticeable when you turn it on, even with my already loud system. It would be nice for the molex rails to be loomed or made from the same cable as the PCI-E rails. This also goes for the P4 and P4+ lines. I wish BFG will do what Antec did with their second generation, and loom the rest of the wires. I also think that BFG would do good to add a bigger heatsink to the components inside the PSU itself.  That would dramatically cut back on the need for the fans.

If BFG were to release a Rev. B version of this PSU with some of the minor issues fixed (too short ATX wires would be my #1) they would have a fantastic package here.  All this PSU needs is that last little push into greatness.


  • Lots of Power 650W
  • 2 PCI-E for video cards (SLI & Crossfire)
  • SATA & Molex plugs for other hardware
  • Nice finish on the case
  • Dual Rails
  • Long MTBF rating


  • Small Heatsinks
  • Not all wires wrapped
  • Small length on the ATX & P4/P4+ cables

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