How much DBA is too much for a heatsink/fan combo?

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We Live For The One We Die For The One

Vantec Areo Flow works good for me, not SILENT, but quiet, when all my
fans are at 7volts, not the CPU fan, the pc is nice :)
 
Etno said:
Hey folks,

I'm trying to choose a heatsink/fan combo. I've got an Antec Sonata Quiet
PC case. It claims that from 1 meter away, only 20.1 dba of noise can be
heard (which is why I bought it).

Knowing this, what's the highest dba do you think I can get away with from a
heatsink/fan combo, so that it won't generate additional noise in the room?

29 dba MAXIMUM. As I wrote elsewhere, find a heatsink that will accept an
8CM case fan. Keep in mind that you don't have to use the fan that comes
with any particular heatsink, and there are plenty of high-quality,
low-priced, QUIET case fans available. Heatsink plus optional fan (if
necessary) should easily fit into your budget. -Dave
 
Hey folks,

I'm trying to choose a heatsink/fan combo. I've got an Antec Sonata Quiet
PC case. It claims that from 1 meter away, only 20.1 dba of noise can be
heard (which is why I bought it).

Knowing this, what's the highest dba do you think I can get away with from a
heatsink/fan combo, so that it won't generate additional noise in the room?

All the reviews I've seen on fans test the dba produced, but it's ussually
tested from like 1 centimeter away from the fan (with obviously the case
sides off), so I don't get a real test of how much noise it produces.

So, what do you think? Whats the maximum dba I can get away with so that I
won't hear it? Unfortunately, I'm on a budget of like $40 for it, otherwise
I'd just get the best fan out there.

Thanks!
 
Anon said:
from

29 dba MAXIMUM. As I wrote elsewhere, find a heatsink that will accept an
8CM case fan. Keep in mind that you don't have to use the fan that comes
with any particular heatsink, and there are plenty of high-quality,
low-priced, QUIET case fans available. Heatsink plus optional fan (if
necessary) should easily fit into your budget. -Dave


That's the thing that confuses me though. Take a look at the chart on this
link from Tom's Hardware:
http://www6.tomshardware.com/cpu/20...nclusion_bundled_coolers_generally_sufficient
He's reviewing a ton of heatsink/fans, and the lowest one of all of them is
39 dba with most of them being in the 50-60 range.

Do you think these are just *really* loud fans?

Thing is, they're measuring it close up though...not outside the case like
we would hear it. With this type of measurement, do you still stand by the
29 dba quote, or is 50 dba equivalent?

Thanks for the help by the way!
 
That's the thing that confuses me though. Take a look at the chart on this
link from Tom's Hardware:
http://www6.tomshardware.com/cpu/20030404/amd_cooler-07.html#conclusion_bund
led_coolers_generally_sufficient
He's reviewing a ton of heatsink/fans, and the lowest one of all of them is
39 dba with most of them being in the 50-60 range.

Do you think these are just *really* loud fans?

Thing is, they're measuring it close up though...not outside the case like
we would hear it. With this type of measurement, do you still stand by the
29 dba quote, or is 50 dba equivalent?

Thanks for the help by the way!

OK, I'm not sure how Tom came up with his figures. On Tom's way of
measuring on that specific chart though, I'd look for something below 46
dba. One of the HSFs on the chart (a Cooler Master model no longer
produced) is measured by Tom at ~39dba, but I've seen official specs. on it
at 24dba, and I happen to know that those official specs. are accurate.
That right there tells me that Tom's measurements are probably off by about
15dba or better. That's why I'd suggest you go with less than 46dba if you
are going by Tom's measurements.

Or you could cheat. www.newegg.com allows you to search by dba level. On
their search 25-30 would be good. Then just find one that will support your
CPU at claimed specs of 29dba or lower, and READ REVIEWS of it before
purchasing. If most users say it's quiet, that's a good sign. :) -Dave
 
Anon said:
from

29 dba MAXIMUM. As I wrote elsewhere, find a heatsink that will accept an
8CM case fan. Keep in mind that you don't have to use the fan that comes
with any particular heatsink, and there are plenty of high-quality,
low-priced, QUIET case fans available. Heatsink plus optional fan (if
necessary) should easily fit into your budget. -Dave


Ahh...Ok. I'm seeing it now. I see on eWiz.com the manufacturers claims for
noise. That must be what you were talking about. K. I'll keep it under 29
dba then. Thx.
 
Anon said:
http://www6.tomshardware.com/cpu/20030404/amd_cooler-07.html#conclusion_bund

OK, I'm not sure how Tom came up with his figures. On Tom's way of
measuring on that specific chart though, I'd look for something below 46
dba. One of the HSFs on the chart (a Cooler Master model no longer
produced) is measured by Tom at ~39dba, but I've seen official specs. on it
at 24dba, and I happen to know that those official specs. are accurate.
That right there tells me that Tom's measurements are probably off by about
15dba or better. That's why I'd suggest you go with less than 46dba if you
are going by Tom's measurements.

Or you could cheat. www.newegg.com allows you to search by dba level. On
their search 25-30 would be good. Then just find one that will support your
CPU at claimed specs of 29dba or lower, and READ REVIEWS of it before
purchasing. If most users say it's quiet, that's a good sign. :) -Dave

Thanks alot! Appreciate the help!
 
Etno said:
Hey folks,

I'm trying to choose a heatsink/fan combo. I've got an Antec Sonata
Quiet PC case. It claims that from 1 meter away, only 20.1 dba of
noise can be heard (which is why I bought it).

Knowing this, what's the highest dba do you think I can get away with
from a heatsink/fan combo, so that it won't generate additional noise
in the room?

All the reviews I've seen on fans test the dba produced, but it's
ussually tested from like 1 centimeter away from the fan (with
obviously the case sides off), so I don't get a real test of how much
noise it produces.

Thermaltake Silent Boost for SocketA. Uses a Panaflo 80mm fan which is very
quiet.
 
S.Heenan said:
Thermaltake Silent Boost for SocketA. Uses a Panaflo 80mm fan which is very
quiet.

That's the one I decided to go for. I was just about to post that when I
saw your post. Thx!

Only thing I'm nervous about is if I'm gonna have any trouble fitting it on
the mobo I'm getting (DFI NFII Ultra-AL). I read in one review for the
silentboost that it is pretty big and they had to bend some of the
electronic parts around the cpu socket to fit it.

Unfortunately I can't find any reviews on the mobo which mention space (or
lack there of) next to the cpu.
 
Etno said:
Hey folks,

I'm trying to choose a heatsink/fan combo. I've got an Antec Sonata Quiet
PC case. It claims that from 1 meter away, only 20.1 dba of noise can be
heard (which is why I bought it).

Knowing this, what's the highest dba do you think I can get away with from a
heatsink/fan combo, so that it won't generate additional noise in the room?

All the reviews I've seen on fans test the dba produced, but it's ussually
tested from like 1 centimeter away from the fan (with obviously the case
sides off), so I don't get a real test of how much noise it produces.

So, what do you think? Whats the maximum dba I can get away with so that I
won't hear it? Unfortunately, I'm on a budget of like $40 for it, otherwise
I'd just get the best fan out there.

Thanks!

Thanks everyone!

Decided to go for the Thermaltake Silent Boost

Only thing I'm nervous about is if I'm gonna have any trouble fitting it on
the mobo I'm getting (DFI NFII Ultra-AL). I read in one review for the
silentboost that it is pretty big and they had to bend some of the
electronic parts around the cpu socket to fit it....but I guess alot of
heatsink/fans are big. I definitly don't want to bend parts though.

Unfortunately I can't find any reviews on the mobo which mention space (or
lack there of) next to the cpu. I saw a pic and it seemed spacious, but
what do I know (here's the pics:
http://www.newegg.com/app/Showimage...24-02.JPG/13-136-124-04.JPG/13-136-124-03.JPG).

Oh....few more things.
1. Should I buy one of those Copper Shim CPU protectors?
2. What's the deal with this lapping stuff? Just hearing about that for the
first time. Think I need it?
3. Do you think the thermal grease it comes with is good enough or do I need
to buy a better tube.

I'm trying to stay as cheap as possible as I'm already over my budget on
this PC, however it's for an Althon 2500+ 333 mhz, that I plan to overclock
to 3200+, so I don't want to ruin it. The review I read on it didn't do any
of that stuf and still kept the temps low when overclocked, but I don't know
what happens over time.

Thanks everyone!
 
Thanks everyone!
Decided to go for the Thermaltake Silent Boost

Only thing I'm nervous about is if I'm gonna have any trouble fitting it on
the mobo I'm getting (DFI NFII Ultra-AL). I read in one review for the
silentboost that it is pretty big and they had to bend some of the
electronic parts around the cpu socket to fit it....but I guess alot of
heatsink/fans are big. I definitly don't want to bend parts though.

Unfortunately I can't find any reviews on the mobo which mention space (or
lack there of) next to the cpu. I saw a pic and it seemed spacious, but
what do I know (here's the pics:
http://www.newegg.com/app/Showimage.asp?image=13-136-124-01.JPG/13-136-124-0
2.JPG/13-136-124-04.JPG/13-136-124-03.JPG).

Oh....few more things.
1. Should I buy one of those Copper Shim CPU protectors?
2. What's the deal with this lapping stuff? Just hearing about that for the
first time. Think I need it?
3. Do you think the thermal grease it comes with is good enough or do I need
to buy a better tube.

I'm trying to stay as cheap as possible as I'm already over my budget on
this PC, however it's for an Althon 2500+ 333 mhz, that I plan to overclock
to 3200+, so I don't want to ruin it. The review I read on it didn't do any
of that stuf and still kept the temps low when overclocked, but I don't know
what happens over time.

Thanks everyone!

Overclocking is not a good idea. The only reason to do it is to save money
(by not buying a faster processor), and the only PROPER way to do it is to
spend more money on all top-end components. (!) If you had two systems
side-by-side that were identical in every way except that one was a 2500+
running at default settings and one was a 2500+ running at 3200+, you would
not be able to tell which was which unless they were labelled on the outside
in some manner. The picture of the motherboard looks like it probably would
fit a large CPU cooler if it wasn't for that stupid chipset cooler that
probably doesn't accomplish anything useful. If you have a problem mounting
the CPU cooler, it will probably be because of that huge heatsink that's
installed on the mainboard right next to the CPU socket. If your CPU cooler
comes with thermal grease, that's probably good enough, even for
overclocking. But I wouldn't advise overclocking. It won't do you any good
and will reduce the stability and long-term reliability of what otherwise
might be a really good system. You don't need to worry about a copper shim,
lapping or optional thermal grease. -Dave
 
Anon said:
http://www.newegg.com/app/Showimage.asp?image=13-136-124-01.JPG/13-136-124-0

Overclocking is not a good idea. The only reason to do it is to save money
(by not buying a faster processor), and the only PROPER way to do it is to
spend more money on all top-end components. (!) If you had two systems
side-by-side that were identical in every way except that one was a 2500+
running at default settings and one was a 2500+ running at 3200+, you would
not be able to tell which was which unless they were labelled on the outside
in some manner. The picture of the motherboard looks like it probably would
fit a large CPU cooler if it wasn't for that stupid chipset cooler that
probably doesn't accomplish anything useful. If you have a problem mounting
the CPU cooler, it will probably be because of that huge heatsink that's
installed on the mainboard right next to the CPU socket. If your CPU cooler
comes with thermal grease, that's probably good enough, even for
overclocking. But I wouldn't advise overclocking. It won't do you any good
and will reduce the stability and long-term reliability of what otherwise
might be a really good system. You don't need to worry about a copper shim,
lapping or optional thermal grease. -Dave

Thanks a lot. Shim is out and so is the pricey thermal grease. Nervous
about the fan though.

Darn it....Now I've got something new to debate with myself though.
Overclock or not to overclock. If I don't overclock, then I don't really
need the nforce2 ultra 400 chipset, and could get the almost as good KT600
chipset for a cheaper price. But, by overclocking, I not only get a faster
processor, but get the higher FSB as well and can take advantage of PC3200
memory.

I use my PC for intensive stuff, so the higher speeds would certainly come
in handy.

Thing is though, if you're able to keep the temperature of your system down,
then where's the harm? I always thought that was the main concern. Well
that and getting the right settings, but I've seen many posts on the net of
people doing the exact same overclock that I'd be doing and it supposedly is
done by merely changing the fsb (which boosts the cpu as well on many of the
mobos). This would've been my first overclocking venture though, so I
certainly don't claim to be an expert and was planning to do a bunch of
research on it first.

Well, you've given me something new to think about just when I thought I was
done. Thanks a lot ;)

Darn that heatsink though. I really want that fan. Maybe I'll try to give
thermaltake a call and see if they know if it fits that mobo. Their website
doesn't have any compatibility lists that I could find though.

Thanks again for all the great advice! You've been a great help.
 
what the manufacturers claim for dba is pretty much useless. the only way
you'll ever really know is to try it out and listen for yourself.

to start i'd get a heatsink that accepts an 80mm fan without the use of any
type of adapter, thermalright makes at least one. then put something like a
panaflo FBA08A12L1A fan on it. if that's not quiet enough for you then youre
in trouble.

or just get a zalman Zalman CNPS7000A.
 
Thanks a lot. Shim is out and so is the pricey thermal grease. Nervous
about the fan though.

Darn it....Now I've got something new to debate with myself though.
Overclock or not to overclock. If I don't overclock, then I don't really
need the nforce2 ultra 400 chipset, and could get the almost as good KT600
chipset for a cheaper price. But, by overclocking, I not only get a faster
processor, but get the higher FSB as well and can take advantage of PC3200
memory.

I use my PC for intensive stuff, so the higher speeds would certainly come
in handy.

Thing is though, if you're able to keep the temperature of your system down,
then where's the harm? I always thought that was the main concern. Well
that and getting the right settings, but I've seen many posts on the net of
people doing the exact same overclock that I'd be doing and it supposedly is
done by merely changing the fsb

Do you know what happens to a light bulb when you turn it on and off a lot?
Essentially, that's what you are doing to your system when you overclock it.
Keeping the system cooler will minimize damage and stability problems, but
overclocking will affect the long-term reliability of your computer. People
do it because they can. Besides, with most computers being REPLACED after a
year or two, is long-term reliability really important? That depends on the
individual user. I know most of my older systems get passed down to
relatives, so I want them running as smoothly as possible for as long as
possible.

If you want to maximize the speed of your system safely, go for the nvidia
nforce2 chipset, though not necessarily the DFI board (but nothing wrong
with that either). I could whole-heartedly recommend the Epox 8RDA3+, and
you will not have a problem mounting any CPU cooler on that board. Epox
uses a chipset cooler, but a low-profile one that won't get in the way of a
CPU cooler.
http://web.epox.com/html/motherboard.asp?product=EP-8RDA3plus&lang=1
Instead of PC3200 memory, buy two good quality sticks of PC2700 memory.
There are two good reasons to do this. First, the CPU and Memory will be
running asynchronously with PC3200, unless you overclock (and there is no
guarantee that you will BE ABLE to overclock, anyway). If you don't
overclock, then the PC3200 will actually SLOW your system down. The reason
is that you want the FSB and RAM to be running at the same speed to maximize
overall system speed. Your processor is a 333 processor, so your RAM should
be 333 (PC2700) also. Also, if you buy two sticks and install them
correctly, the nforce2 chipset will run them in dual channel memory mode,
which will speed up performance slightly.

Again, I wouldn't advise overclocking. There may be many people who claim
to have cool, stable systems running 3200/2500. That's no guarantee that
you will achieve the same results, because it depends on your individual
components, and no two components are exactly alike. You might be able to
overclock, and you might not. You might also damage your brand new system
trying. At best, your system will run cool and stable at way above it's
rated specifications . . . and you won't be able to tell it's overclocked
unless you run some kind of benchmark software. (what's the point . . .
bragging rights?) -Dave
 
Etno said:
Thanks everyone!

Decided to go for the Thermaltake Silent Boost

Only thing I'm nervous about is if I'm gonna have any trouble fitting
it on the mobo I'm getting (DFI NFII Ultra-AL). I read in one review
for the silentboost that it is pretty big and they had to bend some
of the electronic parts around the cpu socket to fit it....but I
guess alot of heatsink/fans are big. I definitly don't want to bend
parts though.

Unfortunately I can't find any reviews on the mobo which mention
space (or lack there of) next to the cpu. I saw a pic and it seemed
spacious, but what do I know (here's the pics:
http://www.newegg.com/app/Showimage...24-02.JPG/13-136-124-04.JPG/13-136-124-03.JPG).

Here are a few dimensions:
http://www.thermaltake.com/coolers/volcano/rs/a1889b.htm
Oh....few more things.
1. Should I buy one of those Copper Shim CPU protectors?

No, it's not necessary.
2. What's the deal with this lapping stuff? Just hearing about that
for the first time. Think I need it?

Lapping can help a little, but the base of this unit is probably fine the
way it is.
3. Do you think the thermal grease it comes with is good enough or do
I need to buy a better tube.

I use Arctic Silver3 since I have quite a bit of it around. More important
than the type of paste is the way it's applied. A very thin layer covering
only the raised die is the way to go.

I'm trying to stay as cheap as possible as I'm already over my budget
on this PC, however it's for an Althon 2500+ 333 mhz, that I plan to
overclock to 3200+, so I don't want to ruin it. The review I read on
it didn't do any of that stuf and still kept the temps low when
overclocked, but I don't know what happens over time.

I've built a few machines using the Silent Boost. None exceeded 50°C under
100% CPU load. All overclocked to 2100-2300MHz.
 
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