2003 Power Supply Roundup Part II: Better Faster Cheaper
by Kristopher Kubicki on July 31, 2003 1:58 PM EST- Posted in
- Cases/Cooling/PSUs
Zalman’s 400W power supply is almost identical to Fortron’s 400W power supply. In fact, many of the components are labeled with identical serial numbers. However, this is not a bad thing at all. The other Fortron power supply represented in this cross section are of very good quality, and we will see the performance advantages in the benchmark.
The Zalman 400W APFC power supply abides by the fundamental rule for almost all Zalman products. It’s quiet and it’s constructed well. Of course, we wanted the Zalman version of this power supply to come with an ATX sheath, but we think the advantages in performance have proved worthy enough. The unit also comes with Active PFC, motherboard monitoring and Serial ATA adaptors.
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 |
The 235W combined rail is identical to the Fortron unit. Again, this is a respectable range for a 400W power supply, and should perform well for AMD motherboards.
The Zalman 400W is priced very competitively with Sparkle and Fortron’s 400W APFC offerings. Choosing one would essentially be the same as choosing the other. We have seen many online vendors carry the ZM400A for around $70, but if you look hard enough you can sometimes find it around same price as its Fortron counterpart.
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Anonymous User - Monday, August 18, 2003 - link
I cast another vote for us to be able to get a copy of the modified version of memtest86. I'd love to check to find out how much bit-flipping is happening over time on my various PCs. In addition, it seems to me that it would be a good way to see if ECC memory is actually doing what it should be. (If a bit gets flipped on a board with ECC memory that's supposed to support ECC memory then there's obviously something wrong).Also, you should give a copy of your modified source to the memtest people so that they might include the long delay time as an option in a new version.
Anonymous User - Sunday, August 17, 2003 - link
Any chance of a review of the silentmaxx fanless 350W. This thing has no fans so in theory it should be 0Dba! Not sure where the poewsupply is up to the job though on the poewer front - a review owuld be great. Cost as you probably guess is on the high side...http://www.silentmaxx.net/silent_products/power_su...
Anonymous User - Wednesday, August 13, 2003 - link
To me the most interesting data from this roundup was the instability a PS can cause to a system. I think this subject is worth a dedicated article. Also how can we reproduce this data at home? Where can we get the modified memtest86?Anonymous User - Wednesday, August 13, 2003 - link
Hello!!??? Seasonic power supplies?? These have to be the quiestest power suplies I have ever (NOT) heard. Appears to be pretty well constructed. These should realy be included in any decent, comprehensive power supply round-up.Anonymous User - Monday, August 11, 2003 - link
They didn't look at the seasonic brand. recommended herehttp://www.silentpcreview.com/modules.php?op=modlo...
Anonymous User - Monday, August 11, 2003 - link
I got a PC P&C Silencer 300 a while back, and I was very unimpressed with its noise level. It was hardly quieter than the cheapo PSU it replaced. My Enermax 365 and Antec Truepower 350 are much better.How about reviewing Seasonic? I hear they're super quiet. A little hard to find, though...
Anonymous User - Monday, August 11, 2003 - link
Untill all power supply manufacturers get it together and sheath their cables, we are pretty much stuck with what they offer. I solved this in my window case with some electrical conduit from the auto parts store. there are a few color choices including your basic black, but any of them make a world of difference hiding those unsightly P.S. cables. That and a little electrical tape over the white connector and they almost disappear.Anonymous User - Monday, August 11, 2003 - link
Another extremely happy user with a PCP&C Silencer power supply. I do have to question just a bit why the reviewer didn't find out about their existence on his own, noise being the primary complaint in his review (though I imagine the sheer number of power supplies being reviewed and perhaps deadline pressure could have been factors).Anonymous User - Sunday, August 10, 2003 - link
This is actually the third power supply review on Anandtech. Not the second as you wrote.Anonymous User - Thursday, August 7, 2003 - link
#16, please check out http://www.wikipedia.org/wiki/CPU_power_consumptio... for information on power consumption of several common CPUs (especially AMD).