Does this come with the push pins?

Yes the black plastic push-pins with the metal springs are included, just like you see in the photo.

Is this a suitable replacement for the chipset fan of an Asus A8N-SLI Deluxe motherboard?

If you have a case fan in front pointing directly at it you'll probably be O.K., but its not going to provide the same degree of cooling as a small active fan (like what's on it).

Will this fit on the northbridge and/or southbridge of a Gigabyte 990FXA UD3 motherboard?

Don't know about the southbridge, but it fit fine on the Northbridge of an AMD 970 motherboard (Biostar). The holes are pretty much standard. Didn't help temperatures at all vs. the stock one though. I think the greatest value for this was to old motherboards with very inadequate heatsinks. Newer ones are pretty large all in all. You're probably better off reapplying TIM on the stock one to see if it helps.

Does this work on an Abit NF-S?

Not certain, we used it on a FGPA.

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Enzotech CNB-SI Forged copper 1100 Heatsinks only

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Forged copper 1100

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Learn more about the Enzotech CNB-SI

Model
Brand	Enzotech
Model	CNB-SI

Details
Type	Heatsinks only
Heatsink Material	Forged copper 1100

Features
Features	Multiple push pin locations for universal mounting on various board assembly (hole to hole distance 54.6mm and 59mm) Formed of pure copper for enhanced thermal conductivity Excellent surface flatness minimizes the interface between the heat source and heat sink Polished mirror surface, flatness for machined surfaces are typically in the range of 0.0003" to 0.0004"per inch

Dimensions & Weight
Heatsink Dimensions	36 x 36 x27.6(H) mm

Additional Information
First Listed on Newegg	May 15, 2009

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies

Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Newegg.com's 30-Day Return Policy.
Read full return policy for details.

Manufacturer Contact Info

Manufacturer Product Page
Manufacturer Website
Support Phone: 1-909-993-5140
Support Email: support@enzotechnology.com
Support Website
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Item#: N82E16835708003