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  • Noctua NH-L9i-17xx chromax.Black, Premium Low-Profile CPU Cooler for Intel LGA1700 and LGA1851 (Black)
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Noctua NH-L9i-17xx chromax.Black, Premium Low-Profile CPU Cooler for Intel LGA1700 and LGA1851 (Black)

4.5 out of 5 stars 366 ratings

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Purchase options and add-ons

Product Dimensions 9.5L x 9.5W x 3.7H Centimetres
Brand Noctua
Power connector type 4-Pin
Voltage 12 Volts
Cooling method Air
Compatible devices Desktop
Noise level 23.6 dB
Material Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Maximum rotational speed 2500 RPM
Air flow capacity 57.5 CMPH

About this item

  • Proven premium heatsink (more than 200 awards and recommendations from international hardware websites), now available in an all-black design that goes great with many colour schemes and RGB LEDs
  • Only 37mm height allows it to fit compact HTPC and Small Form Factor (SFF) cases, tailored footprint guarantees 100% RAM and PCIe compatibility on all ITX, Micro-ATX and ATX LGA1700 or LGA1851 motherboards
  • Renowned, award-winning NF-A9x14 slim 92mm fan with Low-Noise Adaptor and PWM for automatic speed control: full cooling performance under load, whisper quiet at idle!
  • Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1700 and LGA1851 CPUs
  • Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Ultra with moderate heat load (e.g. 245K, 14600, 13600, see compatibility list)

Product details

  • Language ‏ : ‎ English, English, English, English, English
  • Product Dimensions ‏ : ‎ 9.5 x 9.5 x 3.7 cm; 429 g
  • Date First Available ‏ : ‎ Nov. 7 2021
  • Manufacturer ‏ : ‎ Noctua
  • ASIN ‏ : ‎ B09HCHYMJM
  • Item model number ‏ : ‎ NH-L9i-17xxchromax
  • Country of origin ‏ : ‎ Taiwan
  • 鶹 Rank: #47,531 in Electronics (See Top 100 in Electronics)
  • Customer Reviews:
    4.5 out of 5 stars 366 ratings

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Product Description

NH-L9i-17xx chromax.black header

The NH-L9i-17xx chromax.black is an all-black version of Noctua’s award-winning NH-L9i-17xx low-profile quiet CPU cooler for Intel LGA1700 and LGA1851 based HTPCs and Small Form Factor (SFF) builds. Thanks to the same proven heatsink design and NF-A9x14 PWM chromax.black fan, it stays true to the NH-L9i-17xx’s successful formula of fusing a height of only 37mm with strong performance and excellent quietness of operation, as well as 100% RAM and PCIe compatibility. At the same time, the chromax.black version with its black fan and black coated heatsink combines these assets with a sleek stealth look. Topped off with the renowned SecuFirm2 low-profile mounting system for Intel LGA1700 and LGA1851 and Noctua’s enthusiast-grade NT-H1 thermal compound, the NH-L9i-17xx chromax.black is a premium choice for customers who seek an ultra-compact heatsink that looks just as great as it cools.

NH-L9i chromax.black height

37mm low profile

Due to the slim 23mm heatsink and the NF-A9x14 low profile fan that measures only 14mm in thickness, the NH-L9 stands a mere 37mm tall, which makes it ideal for use in compact HTPCs or Small Form Factor cases that offer minimum clearance for CPU coolers.

NH-L9i chromax.black RAM

100% RAM compatibility

The NH-L9i has a 95x95mm footprint that complies exactly with the Intel LGA1700/LGA1851 socket keep-out zone. This means that it won't cause issues with VRM heatsinks and doesn't overhang the RAM slots, so it's fully compatible with tall memory modules.

NH-L9i chromax.black PCIe

100% compatibility with PCIe cards on mini-ITX

Some mini-ITX motherboards have the PCIe slot sitting close to the 95x95mm socket zone. While larger coolers that exceed this zone are likely to block the PCIe slot, the 95x95mm sized NH-L9i provides full compatibility with PCIe cards.

LGA1700

New revision for Intel’s LGA1700 and LGA1851 sockets

Since the original NH-L9i for LGA1200 and LGA115x has received more than 200 awards and recommendations from international hardware websites and magazines, the new 17xx revision builds on the same proven heatsink design to provide excellent low-profile cooling performance for LGA1700/LGA1851 CPUs.

l9i
Measurements
  • Height (without fan) 23 mm
  • Width (without fan) 95 mm
  • Depth (without fan) 95 mm
  • Height (with fan) 37 mm
  • Width (with fan) 95 mm
  • Depth (with fan) 95 mm
  • Weight (without fan) 345 g
  • Weight (with fan) 420 g
Material

Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating

Cooler Specifications

Please Note:

The NH-L9i is a highly compact, quiet low-profile cooler. While it provides first-rate performance in its class, it is not suitable for overclocking and or CPUs that create high heat loads. Please consult our CPU compatibility list to find out whether the NH-L9i is recommended for your CPU.

Scope of delivery

  • NF-A9x14 HS-PWM chromax.black premium fan
  • NA-RC7 Low-Noise Adaptor (L.N.A)
  • NT-H1 high-grade thermal compound
  • Black SecuFirm2 mounting kit
  • Black screws for 92x92x25mm fans
  • Noctua Metal Case-Badge

NH-L9i chromax.black banner

chromax.black design

The NH-L9i-17xx chromax.black is black from head to toe: Featuring a black coated heatsink, a black fan with black anti-vibration pads, black fan screws and black mounting parts, it’s right at home in all-black builds and easy to integrate with other colour schemes.

NH-L9i
NH-L9i-17xx
NH-L9a-AM5
NH-L9i chromax.black
NH-L9i-17xx chromax.black
NH-L9a-AM5 chromax.black
Customer Reviews
4.5 out of 5 stars 3,282
4.6 out of 5 stars 300
4.6 out of 5 stars 167
4.6 out of 5 stars 1,259
4.5 out of 5 stars 366
4.4 out of 5 stars 197
LGA2066, LGA2011-0 & LGA2011-3 X X X X X X
LGA1700/1851 X X X X
LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156) X X X X
LGA775 & LGA1366 X X X X X X
Xeon LGA2011 Narrow ILM / Xeon LGA1366 & LGA1356 X X X X X X
Xeon LGA3647 X X X X X X
Xeon LGA4189 X X X X X X
AM4 with NM-AM4-L9aL9i X with NM-AM4-L9aL9i with NM-AM4-L9aL9i X with NM-AM4-L9aL9i
AM5 with NM-AM5-L9aL9i X with NM-AM5-L9aL9i X
sTRx4, sWRX8, TR4, SP3 X X X X X X

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Customer reviews

4.5 out of 5 stars
366 global ratings

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Nice little cooler for a 12600k
5 out of 5 stars
Nice little cooler for a 12600k
This cooler is really nice. The mounting is kinda weird tho... From the back of the motherboard. But I do understand why, they just wanted the cooling capacity to be the best. But I also recommend to have the (anti bend) bracket for lga 1700 cpus. To get more cooling performance from this cooler.
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Top reviews from Canada

  • Reviewed in Canada on April 6, 2024
    Verified Purchase
    My room is getting warmer, not computer!
    The thing effectively cools a 13700K.
    It produces acceptable level of noise. Very acceptable.
    It is relatively difficult to install, but after that, it is in place forever. Real metal bolts hold it, not some plastc focus-pocus.
    Actually low profile.
  • Reviewed in Canada on March 21, 2023
    Verified Purchase
    This cooler is really nice. The mounting is kinda weird tho... From the back of the motherboard. But I do understand why, they just wanted the cooling capacity to be the best. But I also recommend to have the (anti bend) bracket for lga 1700 cpus. To get more cooling performance from this cooler.
    Customer image
    5.0 out of 5 stars
    Nice little cooler for a 12600k

    Reviewed in Canada on March 21, 2023
    This cooler is really nice. The mounting is kinda weird tho... From the back of the motherboard. But I do understand why, they just wanted the cooling capacity to be the best. But I also recommend to have the (anti bend) bracket for lga 1700 cpus. To get more cooling performance from this cooler.
    Images in this review
    Customer image
    One person found this helpful
    Report
  • Reviewed in Canada on March 22, 2023
    Verified Purchase
    Easy to install, very quiet, nice design but the pros ens there. The cooler on idle load kept the 12700k at around 30 to 35 celcius, casual use around 45 to 50 celcius but as soon as you put a decent workload on the cpu e.g. gaming, editing etc it shot up to 80 to 90 celcius. Tried to remove remount etc thinking I may have installed incorrectly but not the case, ended up removing and going witg another option. Very dissapointing and surprising as my previous experiences with Noctua have been good. Stay away from this cooler unless you only use a pc for web browsing.
  • Reviewed in Canada on June 16, 2022
    Verified Purchase
    had to buy a different cooler since my cpu kept running in the 90 or 100 degrees celcius with this cooler and the fan is noisy as hell!!!
  • Reviewed in Canada on April 22, 2022
    Verified Purchase
    Used this on a Z690, i5012600KF build. I doubt it would be efficient enough to be used for the ardent overclocker, but for me it is ideal. Low noise and responsive.
    2 people found this helpful
    Report

Top reviews from other countries

Translate all reviews to English
  • Colin B
    5.0 out of 5 stars Excellent quality fans
    Reviewed in the United Kingdom on March 31, 2024
    Verified Purchase
    As you would expect these fans are top quality, quiet and provide adequate cooling.
  • Tyler
    5.0 out of 5 stars Great, elegant cooler for a non-overclocked cpu
    Reviewed in the United States on June 27, 2025
    Verified Purchase
    This is a solid, elegant cooler. For reference, I’m using it on an i5 12400 which is not overclocked.
  • Everton J.
    5.0 out of 5 stars Silencioso
    Reviewed in Brazil on January 3, 2024
    Verified Purchase
    Fácil de instalar, silencioso e lindo demais.
    Report
  • Tinus
    5.0 out of 5 stars VERY QUIET FAN
    Reviewed in Australia on December 12, 2023
    Verified Purchase
    this fan is awesome its so quiet i dont even hear it at full speed!
  • Client d'鶹
    5.0 out of 5 stars Excellent ventilateur
    Reviewed in France on November 20, 2022
    Verified Purchase
    C'est mon deuxième, le précédent était pour AM4, même chose sur Lga 1700. Petit format, excellent résultats, merci Noctua !