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MAD DOG Multimedia MD-500SCPS
Author: JonnyGuru
Date Posted:03/04/2005 10:43.40
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Bottom Line:
If you have a computer that loads up heavy on the 5V or won't load the 12V up over 20A while the 5V is also over 20A and you don't want to spend more than $100 on a modular power supply, this might be a good power supply for you. But if you've got an SLI system...
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Technical Overview
Reading the labels and counting the cables.....
So what does the Mad Dog's label look like?
| Mad Dog MD-500SCPS |
+3.3V |
+5V |
+12V |
-12V |
-5V |
+5VSB |
| Max Output Current |
35A |
45A |
30A |
0.8A |
0.5A |
2.5A |
| Max Combined Peak Wattage |
235W |
360W |
9.6W |
2.5W |
12.5W |
| 476W |
24W |
If this power supply can actually perform 45A on the 5V
and 30A on the 12V simultaneously, I'll FREAK. That' would be outstanding. Unfortunately,
judging by the components inside the power supply, I find it unlikely. In
fact, I find it unlikely that this PSU will even do 500W. Sorry Mad
Dog.
Let's take a look at what connectors we get with this power
supply. Keep in mind this unit is modular, so these numbers can
change by simply swapping out a cable.
| Mad Dog MD-500SCPS |
QUANTITY OF CONNECTORS |
| ATX connector |
24-pin |
| 2 x 2 12V connectors |
1 |
| 2 x 3 PCIe |
0 |
| 6-pin Xeon/AUX connector |
0 |
| 5.25" Drive connectors |
7* |
| 3.5" Drive connectors |
2 |
| SATA Drive power connectors |
2 |
| Fan only connectors (thermostatically controlled 12V only) |
0 |
* One of the 5.25" drive connectors has additional EMI filtering for use exclusively
with a hard drive or video card.
Note the lack of a PCI Express cable. Also there
are no fan only connectors and no AUX connector. There are plenty
of 5.25" Molexes, but only one with the EMI filter, similar to those found
on the Raidmax power supply, on it (not to say that the filter on the end
of the cable actually makes much difference.)
| Mad Dog MD-500SCPS |
Zero Load |
Test One (367W) |
Test Two (302W) |
Test Three (430W) |
Full Load (505.3W) |
| 12V |
12.28 |
12.00 |
12.79 |
11.36 |
12.00 |
| 5V |
5.19 |
5.07 |
5.05 |
5.05 |
5.01 |
| 3.3V |
3.42 |
3.41 |
3.52 |
3.36 |
3.49 |
| Efficiency |
29% |
73% |
73% |
68% |
68% |
| Power Factor |
.59 |
.72 |
.71 |
.73 |
.72 |
Temperature under load = 32.2C. Peak temperature after power off = 50.5C.
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