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The next king of 120mm fans, or overrated specs from San Ace?

post #1 of 3
Thread Starter 
I was going to write about the San Ace model 9HV1248P1G001 as being the newest leader of 120mm fans. But after you see my test videos, you may conclude this isn’t more powerful than the Delta THA1248BE. The specifications of the 9HV1248P1G001 say it’s got almost twice the static pressure of the THA1248BE. From my basic tests I don’t agree. See this video and draw your own conclusions. I’ve included my Delta video as well for easier comparison.

San Ace 9HV1248P1G001 Specifications:
Voltage: 48
Ratings at PMW: 100%
Amp rating: 2.0
RPMs: 11,500
CFM: 293
Max static pressure [Pa]: 1,300
Max pressure [Inch H2O]: 5.22
Max pressure [mm H2O]: 132.5
Decibel rating: 75

9HV1248P1G001
http://www.youtube.com/watch?v=6sioHeb4JBE

THA1248BE
http://www.youtube.com/watch?v=9Dcj7tB4NCk

THA1248BE
http://www.youtube.com/watch?v=hGxYwJP68wE
post #2 of 3
Looks like the San Ace has a less focused (particularly, directly in front, in a line) airflow pattern? What can you really infer from the demo videos?

I don't think the respected OEMs selling industrial fans should be too far off from the specs.
post #3 of 3
Thread Starter 



Overrated specifications isn’t uncommon. One example is a comment from NCIX video regarding manufacturer specs vs NCIX lab testing on fans. Shown here. Comment at 10:37 of the video http://www.youtube.com/watch?v=9uUXt7mE6Qg
I decided to do a Temperature test between San Ace 9HV1248P1G001 verses Delta THA1248BE.

With an ambient room Temperature of 75F.
I used only subject fan, no others during each test.
Benchmark software Hyper PI at 32M digits calculated running on high priority.
On Sabertooth 990FX with AMD 8150 processor overclocked to 4ghz 20x200
Running through Corsair H80

The San Ace 9HV1248P1G001 maxed at 38C
The Delta THA1248BE maxed at 41C

At lower 4M digits calculated the temps were the same between both fans.
Edited by cyc1on - 2/10/13 at 6:30pm
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