XP-90

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Eclipse556

Member
Jan 26, 2005
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What's the cheapest (yet reliable) place to buy the XP-90? I usually get everything from newegg but 58.99 seems like a bit much for a heastink.
 
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Eclipse556

Member
Jan 26, 2005
57
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thanks for the input, can't argue with 29.99, saving myself 30 bucks compared to newegg...anyone know why that heatsink is so expensive at newegg?
 
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Mucker

Platinum Member
Apr 28, 2001
2,833
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Newegg used to have excellent prices. Still good on some things but they have fallen the top perch for me. Looks like their getting greeeeedy now....

m :)
 
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imported_bum

Golden Member
Jan 15, 2005
1,402
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Newegg got a name for their low prices, so now they tend to jack some up. What they will do is keep low prices on the big hardware that everyone searches for, then bump up things like heatsinks that are often bought along with their "cheaper" hardware.
 
BonzaiDuck

BonzaiDuck

Lifer
Jun 30, 2004
16,889
2,208
126
Generally, the XP90 will fit just about any ATX mobo on the market, but you should check ThermalRight's Xp90 motherboard compatibility list.

I had originally thought that the XP90's cooling prowess was equivalent to the Xp120. It's performance is just a wee bit shy of that. One reason is that the design is a heatpipe short of the number used with the XP120.

However, compare these thermal resistance values. I have verified that my XP120 definitely meets the TR spec I found on at least a couple reviews:

XP120 . . . . . . . . . . . . . . . . . . 0.16 C/W
XP90 . . . . . . . . . . . . . . . . . . . 0.19 C/W
Zalman CNPS-7700-Cu . . . . . . 0.19 C/W
Zalman CNPS-7000-Cu . . . . . 0.21 C/W

The slight difference should make the XP90 the right choice for motherboards which will not accommodate an XP120. The spread between idle and load temperatures should be just a few degrees greater than the delta-value proven for the XP120.
 
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wkwong

Banned
May 10, 2004
280
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0
Originally posted by: BonzaiDuck
Generally, the XP90 will fit just about any ATX mobo on the market, but you should check ThermalRight's Xp90 motherboard compatibility list.

I had originally thought that the XP90's cooling prowess was equivalent to the Xp120. It's performance is just a wee bit shy of that. One reason is that the design is a heatpipe short of the number used with the XP120.

However, compare these thermal resistance values. I have verified that my XP120 definitely meets the TR spec I found on at least a couple reviews:

XP120 . . . . . . . . . . . . . . . . . . 0.16 C/W
XP90 . . . . . . . . . . . . . . . . . . . 0.19 C/W
Zalman CNPS-7700-Cu . . . . . . 0.19 C/W
Zalman CNPS-7000-Cu . . . . . 0.21 C/W

The slight difference should make the XP90 the right choice for motherboards which will not accommodate an XP120. The spread between idle and load temperatures should be just a few degrees greater than the delta-value proven for the XP120.
Click to expand...

not to mention the $25 difference right now :)
 
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Operandi

Diamond Member
Oct 9, 1999
5,508
0
0
Originally posted by: Eclipse556
thanks for the input, can't argue with 29.99, saving myself 30 bucks compared to newegg...anyone know why that heatsink is so expensive at newegg?
Click to expand...

Just incase you are not aware, the XP-90 dose not come with a fan.
 
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darkeyed

Member
Jan 19, 2005
125
0
0
I just got my XP-90 at frozencpu for 42.00 and it comes with a free fan. I upgraded it though to a panaflo fan. But hey you cant complain about 30.00 for it. Wish I had seen that. Although I ordered my XP90 and it was shipped within 3 hours after I ordered it which was WOW.
 
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Aries64

Golden Member
Jul 30, 2004
1,030
0
0
does this hs/f fit a neo2 platinum?
Click to expand...
Definitely. I just installed an XP-90 and a RPM-sensing 92mm Panaflo FBA09A12L1BX on my K8N Neo2 last night. The heatsink extends over the RAM slots but there is plenty of clearance to install your RAM after fitting the XP-90.

NOTE: I have been told by others on this forum that the Corsair XMS Pro memory (LEDs) will not fit due to their higher profile, but the OCZ DDR Booster will fit.

I've only had the XP-90 and Panaflo in my system for less than 24 hours, but I got an immediate 10C load temp reduction over the AMD-certified (Thermaltake) A1772 copper HSF which replaced the Retail aluminum HSF. By way of comparision, the A1772 gave me about 10C reduction over the retail (stock) HSF. So in actuality, I got about a 20C load temp reduction over the stock HSF!!! Maybe I'll lose a couple more C after the Arctic Silver Ceramique cures.

BTW, my "load temps" were achieved by running my computer all night playing Halo. I've found that this heats up the CPU much more than Prime95 ever does, but this is no doubt due in part to my graphics card. I'm sure the CPU is getting a good workout with all the physics involved. For example: Load temps are now 49-51C under Halo for CPU and 35-37C Case. Prime95 temps are 37-38C for CPU and 30C for Case. Haven't run idle since before 1:00AM PST yesterday when I started Prime95. Still running playing Halo. Ambient room temp is 75F.

NOTE: CPU is at 2,520Mhz (210x12) @ 1.550V. Memory is at 2-3-2-6 1T @ 210Mhz at 2.80V. I'm running a 120mm 53CFM, 1500RPM Vantec Stealth (intake) and the (stock) 120mm 72CFM, 1800RPM ADDA (exhaust) fan. Both are turned down to 50%, increasing to 75% at 35C CPU temp, then 100% at 45C CPU temp. Both are controlled by an LIS2 Premium with VFD (Vacuum Flourescent Display).

EDIT: OK, the Arctic Silver Ceramique I used has had a chance to cure. Bumped CPU to 2,520Mhz (210x12) @ 1.550V and Memory to 210Mhz @ 2.80V. Halo Load temps are:

49-50C CPU, 36C Case, and 20C Northbridge. This is with a the lowest CFM 92mm Panaflo L1B, so I'm pretty impressed with my new HSF combo. My Prime95 Load Temps are the same at: 37-38C CPU and 30C Case. ROOM AMBIENT DURING TESTING 73F. Cool N' Quiet DISABLED.
 
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