Alienware X51 fan shroud

Fan shroud for the X51 fitted with a Noctua NH-L9i CPU cooler
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updated May 10, 2024

Description

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I recently bought an X51 R3 chassis with a motherboard, but no CPU and cooler. Bought a Noctua NH-L9i, and although there is a guy on Reddit, who made a shroud for it, but I couldn't get in touch with him. That's why I made my own design.

Printing instructions
Print as is from PETG (or ABS or ASA), with 0.2 or 0.3mm layers, there's no need for supports. (for ABS or ASA you might want to add some brim, because of the chamfered sides) There are two versions, one for countersunk screws, the other for non-countersunk screws. There's a cutout for the side panel cable, which I designed after I printed my own piece, so I made my own cutout with some side cutters :)

Printed with Filament PM black PETG on a slightly modded Prusa MK3S.

Installation instructions
Install your NH-L9i as per the manual and remove the fan. Place the fan on the heatsink upside down so the holes on the fan line up with the threads on the heatsink, place the shroud on the fan, so the holes line up with the holes of the fan. Grab four M3x16 countersunk or M3x18 non-countersunk screws and tighten them gently.

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Model origin

The author marked this model as their own original creation.

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