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Alpha or Golden Orb?

I bought a PEP66U to replace my golden orb for my P3 650E cBo at 975Mhz at 1.75v. My CPU temp dropped from 48 idle to 46 idle and I was also able to bump to voltage down to 1.7v which decreased the CPU temp to 45. I would say that if you aren't afraid to spend the money for the Alpha go fo it over the gorb.
 
I recently bought an Alpha to replace my Golden Orb and it only dropped my temps by 1f. I took it back as the 1f temp drop was not worth the price differerce.
 
veryape - What speed were you running your CPU at? Those are very disappointing results! I couldn't have returned mine, but I would have been very disappointed if those were the results I got.
 
well, i tried out my sister's orb on my P3-650e cb0 @ 975 @ 1.75 volts..

at idle, the difference was nil... Under full load, the Orb hit temps of at least 6 degrees C higher than the PEP66 usually does.



Mike
 
veryape, It could be that the feet on your PEP66 were just a hair too high. This causes your heatsink and CPU to not make proper contact...

I aslo have to say that I have three Gorbs, and a bunch of alphas, and the alphas are more usefull (I want to see a TEC with a gorb 😛), and better performing....
But they are more expensive....
some may not find it worth the cost, All systems I build for others, or help them build, have either stock fans, or Gorbs. ALL systems for myself have Alphas (well not the Xeon) I have a PEP66, a P125, and 2 PFH60's .
edit- I also have a PEP66 at work on my 600E
 
I was just thinking, I said in my first post that those were my idle speeds. Well that is not actually true because I have the RC5 client running all the time. Sorry about that mix-up.
 
Okay, well I don't mind spending an extra 20 bucks or so to get better performance. Should I order from 2cool, or does someplace-else have them cheaper?

Also, 2cooltek's description of the PEP66 is that it is specifically designed for Slot1 --> Socket adapters. Does this mean I can't use it on a regular Socket mobo (Asus CUSL2/FC-PGA p3)
 
Well, the Alpha rox, but it blocks one of my DIMM slots. Damn huge!

Arctic Silver is nice too. 🙂
 
If you do order the PEP66 get it from 2Cool. But no, don't use it with a socket motherboard. The PEP66 has the fan mounted on the side of the heatsink so that it doesn't block as many dimms on your motherboard when you use a slocket. That fan placement could create some probs on a socket board.
 
Wow. There's a lot more Alpha coolers than I thought there was. 🙂

Anyway, I guess I'm looking at the FC-PAL series. But I don't understand the differences between any of them. There's certainly a price difference:

FC-PAL15T: $20
FC-PAL15U: $32.30
FC-PAL30T: $25.30
FC-PAL30U: $34.50
FC-PAL35T: $26
FC-PAL35U: $35.10

So can anyone tell me the difference? :Q
 
I could be mistaken, but I believe the "U" means that it is a kit and includes all the goodies like a little tube of thermal grease. (maybe fan too?)
 
Does anyone know for sure?

Do you know if it's GOOD thermal grease or am I gonna have to plop down $15 extra for some Artic Silver? 🙂
 
The C includes the heatsink, and the clip (maybe)
The T includes the intake cover and the Screws for it,
The U includes the intake cover and the screws for it, also the fan and thermal paste (not as good as the silver, but it's better then radio shacks.... About a year ago (before all this silver stuff) this paste was said to be the Shiznet...


FC-PAL15T: $20
FC-PAL15U: $32.30
FC-PAL15U 0.80 deg C/W = BAD

FC-PAL30T: $25.30
FC-PAL30U: $34.50
FC-PAL30U 0.39 deg C/W = BETTER

FC-PAL35T: $26
FC-PAL35U: $35.10
PAL6035MUC 0.37 deg C/W = BEST
 
I appreciate that, but someone's going to have to translate that into English for me. 🙂 How is that compared to Artic Silver, and if Artic Silver is better is it better enough to spend an extra $15 on it?
 
all you need to look at is the thermal conductivity.

4.8-5 is much better than .8...something....

if you don't want to spend $15 for the arctic silver, get copper paste for $5. Copper paste thermal conductivity is very close to the arctic silver..for $10 less
 
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