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❄️ Bridge the gap, beat the heat — your SFF rig’s secret weapon!
The Noctua NA-FD1 fan duct kit is a modular EVA foam solution designed to bridge gaps between NH-L9 series CPU coolers and perforated SFF case panels. By channeling fresh outside air directly to the cooler, it improves thermal performance by up to 5°C. Adjustable in 1mm increments from 5 to 45mm, it fits popular compact cases like Dan A4-SFX and Loque Ghost S1. Easy to install and backed by a 6-year warranty, it’s the smart upgrade for millennial pros demanding efficient, quiet, and reliable cooling in small form factor builds.
| Asin | B09HKXRQCD |
| Best Sellers Rank | 168,957 in DIY & Tools (See Top 100 in DIY & Tools) 445 in Ducting |
| Brand | Noctua |
| Compatible Devices | Desktop |
| Cooling Method | Air |
| Country Of Origin | Taiwan |
| Customer Reviews | 4.5 4.5 out of 5 stars (496) 4.5 out of 5 stars |
| Eu Spare Part Availability Duration | 6 Years |
| Included Components | EVA foam spacers, installation manual, warranty card |
| Item Dimensions L X W X H | 12L x 9.9W x 4.8H centimetres |
| Item Highlight | NH-L9i, NH-L9a Series Compatible and 92mm Fans, Improves Cooling Boosts Performance, Set of: 2x10mm, 7mm, 6mm, 5mm, 4mm, 3mm |
| Item Weight | 54 Grams |
| Manufacturer | Noctua |
| Manufacturer Part Number | NA-FD1 |
| Material | EVA foam |
| Model Number | NA-FD1 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Product Warranty | 1 Year Manufacturer |
| Unit Count | 1.0 count |
User
Great results
Had Jonsbo NV10 case and with Noctua CPU cooler left slightly less than 5mm clearance. Took a chance on this kit. You could get away with just fitting 5mm spacer without tubes but cut tubes slightly less than securing "bolts". Push on lid of case fitted but only just. The results were better than I thought. Noise levels dropped dramatically and Fan speed dropped from around 1800rpm(idle) to 1600rpm with mid load. CPU temps dropped by about 15°
User
Phenomenal for tiny cases
Phenomenal product if you’re using a very small PC case.My case is a sandwich ITX that’s sub 7ltrs and it dropped the temps of my 7600 from high 80’s to low 70’s.
User
Super easy to install, seems to work well!
I didn't follow the installation instructions to the letter - i.e. measuring the distance between the cooler and the side of the case to get a precise fit; just did it by eye instead -- and it was as snug without pushing on the side plate too much.Lots of different sized pieces of foam will definitely help with re-use with other cases, if that should come to pass.
User
It works
What can I say simple solution, easy to add to your computer without needed to remover cooler and motherboard ect.Arrived and put on the cooler within 10 minutes and it works on battlefield 2042 gone from high 60’s (67-71)to low 60’s (60-64)
User
Create a tunnel to the cooler
Don’t expect a big difference (more than a few degrees) if your case is small.
User
Works as expected
Reduced fan speed significantly by drawing fresh air directly to the cpu
User
Bought in error
Dimensions smaller than I thought, my fault.Exactly as advertised though.
User
Mounting screws aren't great
It works as intended, temps dropped by 5-6 degrees in my dan A4 sfx case resulting in a much quieter system. Poorly implemented design though, the thumb screws don't always latch onto the CPU fan and since there's no screw head you cant easily screw them in. I just have to live with a loose corner.
User
Spettacularis
Noctua Spettacularis la terza foto non ha bisogno di commenti…punteggio più basso senza Noctua FOAM, punteggio più alto con Noctua FOAM
User
Funciona de maravilla
No fueron utilizados en el cooler de Noctua para el que fueron hechos, pero con los accesorios que trae se montó sin problemas, redujo mi temperatura del cpu (mini itx) en 5 grados celsius
User
Noticeable performance upgrade.
Works great to squeeze some extra performance out for the cooler when installed in slim and small cases.Used in a Fractal Node 202 and noticed an immediate performance upgrade. Fans can run slower and quieter and still deliver acceptable temperatures.
User
The performance is much better
Really helped my small-form-factor build, now my CPU peaks at 70-75 degrees instead of 85-90
User
A must have for SFX builds!
Dropped about 3C in my Midori 7.5l case with an AXP90x48, now instead of running at 100% fan speed I can run let it run at 75% with the same temperatures as before, great product and very simple install!
Trustpilot
5 days ago
1 month ago