X51 R?, fan

Question

I'm looking for a compatible fan for Alienware X51, itx and small enough to fit in the case.

From what I read Noctua NH-l9i is the one unfortunately its not available where I live, its confusing I spent hours looking for the right dimensions then I read somewhere that it needs a fan that pushes the air away, wondering if I can get one that I can flip both sides while being small enough to fit in the case with heatsink.

currently I have Noctua, dont know the model.

Are intel 1155 fans compatible with all 1155 sockets meaning do they screws all line up and should technically fit.

Any rec would be helpful.

speedstep · Accepted Answer

NH L9I is well documented.

Max CPU Cooler Height 37 mm
Fan Dimensions 92 x 92 x 14 mm
Heatsink Dimensions 23 x 95 x 95 mm

https://www.ebay.com/p/15012683550

https://www.amazon.com/Noctua-Chromax-Black-2500RPM-Cooler/dp/B07Y892M38

https://noctua.at/en/nh-l9i

NH-L9 stands a mere 37mm tall

NH-L9i has a 95x95mm footprint

NF-A9x14 4-Pin 92x14mm fan sits on it.

https://www.amazon.com/Noctua-NF-A9x14-Premium-Quiet-92x14mm/dp/B009NQM7V2

Charles_dell · Answer

Thank you ill check it out.

Charles_dell · Answer

how important is that fan shroud, I think its the problem, when I remove it the fans started working again and spins faster.

speedstep · Answer

https://topics-cdn.dell.com/pdf/alienware-x51-r3_Service-Manual_en-us.pdf The fan shroud is for the DELL fan. Dell fan removal

Charles_dell · Answer

I see, no wonder I can't screw it into the current Noctua fan, thank you so much.

Alienware Desktops

X51 R?, fan

NF-A9x14 4-Pin 92x14mm fan sits on it.

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