Case and Cooling Spring 2004: Upcoming Products
by Kristopher Kubicki on April 3, 2004 10:00 AM EST- Posted in
- Cases/Cooling/PSUs
Zalman Power Supplies
Zalman has been working very hard on destroying the myth that you need 9000W power supplies to run your system stable. We were very impressed by our last Zalman ZM400A-APF power supply which we reviewed several months ago in a power supply roundup.
Click to enlarge
Wattages
|
|
3.3V |
5V |
12V |
-12 |
-5 |
+5vsb |
combined theoretical |
actual combined |
advertised total |
|
Zalman ZM400A-APF |
92.40 |
200.00 |
180.00 |
9.60 |
1.50 |
10.00 |
292.40 |
235.00 |
400.00 |
|
Zalman ZM400B-APF |
92.40 |
200.00 |
216.00 |
9.60 |
1.50 |
10.00 |
292.40 |
235.00 |
400.00 |
Even though the advertised total wattage of the new power supply is still 400W, there is actually a significant increase of 36W on the 12V rail between the ZM400A and ZM400B. The overall rating remains the same because the 3.3V, 5V and 12V rails are combined for a 380W limit. However, since the 3.3V and 5V rails are used less frequently now, the increase in 12V is not hampered by the 380W limitation.
The ZM400B is not BTX ready, unfortunately. Look forward to seeing the newest Zalman 400B in our next power supply roundup.
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rsa4046 - Sunday, April 4, 2004 - link
A watt is the SI unit of power (energy or work per unit time), and thus contains time implicitly: 1 W = 1 J/s. Perhaps you meant heat flux (i.e., power per unit area, or 150 W/cm2 )?Chuckles - Sunday, April 4, 2004 - link
I know its relatively minor, but there is an error on page one."A solid block of copper sits on the CPU, and is then sinked by 6 heatpipes anchored onto the 7mm aluminum chassis. Without moving components, the case is able to sink 150W per second!"
A Watt is a Joule per second, a measure of energy per unit time (power). Thus the article should read "... 150W!"