fan q for a ax-478

antist@r · Jan 28, 2003

i am about to pick up an ax-478 for my 1.6 should i get a tornado and v7 mod it or pick up a smartfan II? these 2 seem like a cople of the best choises out there but i will ake other suggestion also.
thanks.

rustymaitland · Jan 28, 2003

the smart fan is loud too eh. if you use the controller then you will be fine. i had the smart fan and i had it running full out and it had a more distinct whine. could be me, or how it sounded in my box.

TheNamelessOne · Jan 28, 2003

The sf2 is indeed very loud on full blast, but I have it running on a temp sensor and its so much quiter its not even funny.

larva · Jan 28, 2003

You don't really need that powerful of a fan for the AX-478. Any 35-53cfm 80mm fan is enough. While it certainly will work, there isn't a pressing reason to buy a hugely powerful fan just to slow it back down to reality. I suggest a 35-40cfm Panaflo or Sunon fan, running full blast.

The Spyder · Jan 28, 2003

dont get it. Period. They discontinued it for a REASON, They got crappy temps and mine fell apart~

larva · Jan 29, 2003

Horse pucky. The AX-478 is one of the best performing P4 heatsinks available. And while there was a run with faulting soldering, the problem was very limited. You can find faulty examples of anything, this does not mean the AX-478 is not a good product. The AX-7 and AX-478 are both being replaced, but many users here can attest they are great heatsinks that will serve you well.

The Spyder · Jan 29, 2003

hummm...... some dont know what their talking about......
Mainly because THEY DONT SOLDER the hs. Infact, i bet with a MCX 4000 by swiftech, you could get 40-44c temps load, with a 37cfm fan, even lower with a higher cfm fan~

TheNamelessOne · Jan 29, 2003

I have the AX-478 with a 39cfm 26dbA

fan. I also have a duct going from a similar fan blowing air into the case from the side to the cpu fan. My temps right now are 27c idle/33c load. It goes up to 35c under heavy prime95 for a few hours load.

larva · Jan 29, 2003

The Spyder said:
hummm...... some dont know what their talking about......

No, you certainly don't. I have an AX-478 in front of me as we speak, and it is definately soldered together. Perhaps you might buy a clue.

The swiftech is also a great heatsink, but will only yield a degree better temps and costs nearly twice as much, in addition to being a pain to install..

larva · Jan 29, 2003

"The AX-478 is the most "standard" heatsink of the bunch, as it's got a thick copper core soldered to a set of tall aluminum fins that a large 80mm fan attached on top. The cooler is quite heavy, thanks to the heavy copper base, but thanks to outfitting the cooler with aluminum fins..."

reference

antist@r · Jan 29, 2003

thanks for all the suggestions. the ax-478 looked the best to me beacause of price/ease of assembly compared to performance. the high end air coolers out there all seem to be pretty similar in performance.

eva2000 · Jan 30, 2003

for overclocked P4s the AX478 doesn't work well with low cfm fans

i've tried AX478 with

80x25mm sunon 50cfm fans
80x25mm TT smartfan 2 75cfm
80x38mm delta 80cfm

only delta will works well with my p4s

i.e.

running 2 pcs in the same room
==============================
2.4B SL6EF 19/12/02 with GlacialTech Igloo4300 + 70to80mm adaptor + 80x38mm delta 80cfm fan
@2880 at 1.675v
P4PE 1002 bios
under load
cpu: 50-52C
mb: 30-32C

idle cpu: 39C
idle mb: 28-30C
==============================
2.4B SL6D7 9/12/02 with AX478 + 80x38mm delta 80cfm fan
@2880 at 1.675v
P4B533 1014 beta bios
under load
cpu: 47C
mb: 32-33C

idle cpu: 31-32C
idle mb: 32C

fan q for a ax-478

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