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Does anyone have any info on the 120x38mm PWM Nidec fans, or even Nidec PWM fans in general?

post #1 of 9
Thread Starter 
Hey all.

I just bought three V12E12BS1B5-07 fans off of ebay as they were new and a steal of a deal price wise. The trouble is I can't find any data on them outside of a single youtube video demonstrating that they do in fact work with a PWM controller (although whether this is a motherboard PWM controller or a home built one is not clear).


Does anyone have experience with NIDEC PWM fans in general and if so do they operate in the same PWM frequency range as say, a Delta?


Either way I'm psyched. 1.65A sounds like a nice middle ground. Static pressure should also be pretty good, although I can't find specs on these fans any where. I do find it funny they are wired up with standard PWM connectors as I can just see someone hooking one up to a mobo header and wondering where all the smoke came from (unless you've got one of those crazy Asus boards with 2A headers, my Mid range Asus stuff only has 1A headers).
post #2 of 9
Quote:
Originally Posted by SavantStrike View Post

Hey all.

I just bought three V12E12BS1B5-07 fans off of ebay as they were new and a steal of a deal price wise. The trouble is I can't find any data on them outside of a single youtube video demonstrating that they do in fact work with a PWM controller (although whether this is a motherboard PWM controller or a home built one is not clear).


Does anyone have experience with NIDEC PWM fans in general and if so do they operate in the same PWM frequency range as say, a Delta?


Either way I'm psyched. 1.65A sounds like a nice middle ground. Static pressure should also be pretty good, although I can't find specs on these fans any where. I do find it funny they are wired up with standard PWM connectors as I can just see someone hooking one up to a mobo header and wondering where all the smoke came from (unless you've got one of those crazy Asus boards with 2A headers, my Mid range Asus stuff only has 1A headers).

Middle ground for what?? Aircraft?? I have 6 fans hooked up on my side panel and combined they pull about that. Are you not worried about sound??

Sorry I have no experience with either fans, but I am a big fan of PWM fans thumb.gif When you do get them post some pics of what you use them on. I am very interested in what you would need such fans for
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by goodtobeking View Post

Middle ground for what?? Aircraft?? I have 6 fans hooked up on my side panel and combined they pull about that. Are you not worried about sound??

Sorry I have no experience with either fans, but I am a big fan of PWM fans thumb.gif When you do get them post some pics of what you use them on. I am very interested in what you would need such fans for

Actually my 110CFM Deltas have only a little bit of bearing noise at idle, so at 3-5 feet you can't hear them when they aren't revved. I was hoping for similar out of this NIDEC. Like I said I don't intend to ever hit full RPM, or yeah you're right it's a dang aircraft.

As for noise at load, I only intend to see that during burn in testing. My FX 8350 isn't going to be folding (I don't fold anymore due to electrical costs frown.gif ) so the only time it's going to hit sustained load is Prime95. I don't call an OC done until I've done a sustained prime test, so I need something that can keep the chip cool for that duration, and hopefully can rev to that insane noise level if the machine ever gets there, but not be loud otherwise.


The NIDEC's came today though, so I'll know soon enough. I hooked one up to a 4 pin PSU adapter for all of five seconds before it took off sideways, hovered over the ground, and then proceeded to spin, digging the fan blades into the carpet (and it's still fine lol). It was pretty terrifying, I stood back for it as I knew the potential damage to fingers.
post #4 of 9
judging by the specs (and i've been coveting these fans for months), i'd say you are good to go on these bad boys.

Here's some info on the similar models, that have the same type of impeller. http://www.nidecamerica.com/v12e_b5/v12e_b5_56.htm
Edited by Captain Mayhem - 2/6/13 at 6:14pm
    
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post #5 of 9
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Quote:
Originally Posted by Captain Mayhem View Post

judging by the specs (and i've been coveting these fans for months), i'd say you are good to go on these bad boys.


Yeah, they are worth coveting.


So much win. So much win.

I need to get the better backplate mounted to the mobo with the FX 8350 now.

With the case side off, these fans can stall my ~90CFM Antec Kuhler 920 fans (no Kuhler in this case, I just have the fans). Looks like the top fans are both intakes to feed the beast lol.
post #6 of 9
you need to give us a review of these UltraFlo's. thumb.gif

edit: just got a reply from Nidec and to make it short, they tell me they can't disclose what this exact model can do because it's protected customer-proprietary information.

*shrug*
Edited by Captain Mayhem - 2/7/13 at 6:25pm
    
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post #7 of 9
Thread Starter 
Quote:
Originally Posted by Captain Mayhem View Post

you need to give us a review of these UltraFlo's. thumb.gif

edit: just got a reply from Nidec and to make it short, they tell me they can't disclose what this exact model can do because it's protected customer-proprietary information.

*shrug*

Huh?


Say what? How are people supposed to figure out if they want them or not if they don't provide specs?


And I guess a review is in order isn't it smile.gif The trouble is the most powerful fans I have to compare them to either Delta 128x25mm PWM fans rated for 110 CFM or Panaflo 120x38mm 3 pin fans rated for something like 115CFM. I can say that unless they are at full tilt, they aren't too horrible, but they have noticeable bearing noise. I wish Asus let me take them below 20 percent to see how they did on that front, I feel like I don't have enough comparison equipment to make a truly thorough review.
post #8 of 9
exactly. that didn't make any sense to me whatsoever. Why keep the RPM, CFM, and static pressure a secret?

But then again, they haven't dealt with the OCN community because we can glean the secrets. biggrin.gif
    
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post #9 of 9
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Quote:
Originally Posted by Captain Mayhem View Post

exactly. that didn't make any sense to me whatsoever. Why keep the RPM, CFM, and static pressure a secret?

But then again, they haven't dealt with the OCN community because we can glean the secrets. biggrin.gif

RPM I can give you. It tops out at 6k, the same as it's slightly higher amperage bigger brother. CFM is probably around the same too. At 20 percent PWM it's at around 2100-2200 RPM. Not silent but not horrible either. Its comparable to a lot of the other products on the market, although I think the ones with metal frames edge it out all in all.
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