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Noctua NH-L9i, Premium Low-Profile CPU Cooler for Intel LGA1200 & LGA115x (Brown)

4.7 4.7 out of 5 stars 3,262 ratings

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About this item

  • Ultra-compact low-profile cooler with only 37mm total height – ideal for HTPCs, ITX and Small Form Factor builds
  • 100% compatibility RAM- and PCIe-compatibility due to 95x95mm footprint, does not overhang the RAM or PCIe slots
  • Highly optimised NF-A9x14 slim 92mm fan with PWM support and Low-Noise Adaptor for automatic speed control and ultra-quiet operation
  • Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1150, LGA1151, LGA1155, LGA1156, LGA1200
  • Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core i7, i5 or i3 with moderate heat load (e.g. 11900, 11700, 11600, 10700, see compatibility list)

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Product Description

NH-L9i header

The NH-L9i is a premium quality quiet CPU cooler for Intel LGA115x/1200 based HTPCs and Small Form Factor systems. At a super-low profile of only 37mm, the NH-L9i is ideal for extremely slim cases and due to its 95x95mm footprint, it provides full compatibility with tall RAM modules and VGA cards on mini-ITX mainboards. The custom designed SecuFirm2 mounting system for LGA115x/1200 makes installation a child’s play and thanks to the highly optimised NF-A9x14 premium fan that supports fully automatic speed control via PWM, the NH-L9i runs remarkably quiet. Topped off with Noctua’s renowned NT-H1 thermal compound, the NH-L9i fuses everything users have come to expect from Noctua’s larger coolers into a super-compact package for slim HTPC systems.

NH-L9i Height

NH-L9i RAM

NH-L9i PCIe

NF-A9x14

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.

100% RAM compatibility

The NH-L9i has a 95x95mm footprint that complies exactly with the Intel LGA115x/1200 socket keep-out zone. This means that it won't cause issues with chipset coolers and doesn't overhang the RAM slots, so it's fully compatible with tall memory modules.

100% compatibility with PCIe cards on mini-ITX

Most Intel LGA115x/1200 based mini-ITX motherboards have the PCIe slot sitting right next to the 95x95mm socket zone. While larger coolers that exceed this zone are likely to block the PCIe slot, the 95x95xmm sized NH-L9i provides full compatibility with PCIe cards.

NF-A9x14 PWM premium fan

The highly optimised NF-A9x14 premium fan features Noctua's proprietary AAO frame as well as sophisticated aerodynamic design measures. Supporting PWM for fully automatic speed control, the NF-A9x14 allows the NH-L9i to stay remarkably quiet.

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) 320 g
  • Weight (with fan) 380 g
Material

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

Cooler Specifications

Scope of delivery

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

Fan compatibility

92x92x14mm, 92x92x25mm

NH-L9i Banner

Please Note:

The NH-L9i is a highly compact, quiet low-profile cooler designed for use in small form factor cases and HTPC environments. While it provides first-rate performance in its class, it is not suitable for overclocking and or CPUs that create high heat loads.

NH-L9i table NH-L9i table NH-L9a-AM4 Table NH-L9i-17xx chromax.black NH-L9i-17xx chromax.black NH-L9a-AM4 chromax.black table
NH-L9i NH-L9i-17xx NH-L9a-AM5 NH-L9i chromax.black NH-L9i-17xx chromax.black NH-L9a-AM5 chromax.black
LGA2066, LGA2011-0 & LGA2011-3 X X X X X X
LGA1700 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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Price-10% $44.95
List:$49.99
$59.95$44.95$49.90-8% $109.95
List:$119.95
-8% $54.95
List:$59.95
Delivery
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Customer Ratings
Noise level
4.7
4.8
5.0
4.6
4.8
4.8
Easy to install
4.4
4.6
3.4
4.0
4.4
4.6
Mounting system
4.7
4.0
4.0
4.7
4.8
Quality of material
4.8
4.8
4.8
For gaming
4.0
5.0
4.9
Sold By
Noctua Cooling Solutions
Noctua Cooling Solutions
Noctua Cooling Solutions
be-quiet-official
Noctua Cooling Solutions
Noctua Cooling Solutions
cooling method
Air
Air
Air
Water
Air
Air
power connector type
4-Pin
4-Pin
4-Pin
4-Pin
4-Pin
4-Pin
compatible devices
Intel LGA1150, LGA1151, LGA1155, LGA1156, LGA1200, AMD AM4 with NM-AM4-L9aL9i 92x92x14mm, 92x92x25mm
Desktop
Desktop, PC
Desktop
Desktop
Desktop
air flow capacity
57.5 cubic meters per hour
78.9 cubic meters per hour
140.2 cubic meters per hour
max rotational speed
2500 rpm
2000 rpm
2500 rpm
1150 rpm
1500 rpm
1700 rpm
noise level
23.6 decibels
22.8 decibels
23.6 decibels
30.6 decibels
24.6 decibels
25.1 decibels

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Product information

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here [PDF ]

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
3,262 global ratings

Customers say

Customers like the performance, ease of installation, appearance and size of the computer cooling device. They mention that it works well, it's incredibly simple to mount and that it has an amazing design. They appreciate the quality, noise, and temperature. That said, opinions are mixed on the value.

AI-generated from the text of customer reviews

300 customers mention255 positive45 negative

Customers like the computer cooling device's quiet operation. They mention that it is much quieter than the stock Intel unit.

"...Pros:-Extremely low/no noise from fans-95x95 mm size allows for small dense mobos that have extrusions near the CPU...." Read more

"...The fan is already so quiet anyhow though, so I feel it is probably more often misused as an extender...." Read more

"...The fan is quiet and can ramp up quite well when needed...." Read more

"...PSU - allows the PSU to double as a chassis fan why remaining practically dead silent during all use other than stress testing..." Read more

288 customers mention255 positive33 negative

Customers generally like the temperature of the computer cooling device. They say it runs very quietly, provides a large amount of heat dissipation in a very small package, and does so quietly. The sides are perforated, so the CPU has direct access to fresh air. Customers also mention that the tooling of the heat-sink itself is superb, and a perfect match for small, well-ventilated cases.

"...The fans barely move and yet the temperature never goes above 30°C.Pros:-Extremely low/no noise from fans..." Read more

"...The tooling of the heat-sink itself is superb, and even the wrappings on the 4-pin cable exude excellence...." Read more

"...at 95W. I constantly run Handbrake and play games, I do not have any over heating issues!..." Read more

"...Noctua fans and products are excellent, but you are going to pay for the excellence, while they are not overpriced for their quality, they are by..." Read more

178 customers mention173 positive5 negative

Customers are satisfied with the quality of the computer cooling device. They mention that it is a high-quality product, with the best and most well-engineered fans on the market. It is well-built, and has yielded a very stable system. Overall, customers are happy with the product's quality and durability.

"...Cons:-Price is higher than other options, but this is a high quality cooler..." Read more

"...Noctua makes what I feel are the finest quality cooling products on the enthusiast-circuit today, and the NH-L9I just proves they can do amazing..." Read more

"...it is apparently well built, has yielded a very stable system and allowed me to have a powerhouse full of features in a case smaller than my shoe..." Read more

"...it comes to fan and cooler design, they make the best and most well engineered fans on the market...." Read more

141 customers mention126 positive15 negative

Customers like the performance of the computer cooling device. They say that it works well, it squeezes better manufacturing and performance into a 95x95x37mm space than many other brand-name. Customers also say that the system went together quite well and that it is powerful.

"...-Good performance, putting this cooler on decreased my CPU temps by 2 to 5 degrees compared to the cheap one that came on my used mobo..." Read more

"...The Noctua NH-L9I is a phenomenal product. It squeezes better manufacturing and performance into a 95x95x37mm space than many other brand-name..." Read more

"...ITX motherboards will seem snug to many people, however the Noctua works very well...." Read more

"...The Noctua fit like a glove. Ultimately the system went together quite well, easier than i had hoped after seeing the Q03 case...." Read more

136 customers mention106 positive30 negative

Customers find the installation process of the computer cooling device to be incredibly simple. They appreciate that the rear mounting plate is not a pain in the ass, and that the cooler is ready to go.

"...What I liked the most is that there is NO pain in the ass rear mounting plate...." Read more

"...I'll make the following other notes:INSTALLATION: Very simple, with four thumbscrews that attach from underneath the motherboard...." Read more

"...Install was straightforward and simple with no issues with clearance on a MATX motherboard, specifically the Gigabyte Z590I Ultra...." Read more

"...Only one tiny negative is that it requires installation from back of the motherboardwhich is reasonable for this type of product...." Read more

132 customers mention112 positive20 negative

Customers generally like the size of the computer cooling device. They mention that it fits with room to spare, fits with a regular sized power supply, and fits perfectly. It's an improvement in terms of its size, quietness, and cooling ability. The syringe is more than adequate in size, and it's a perfect match for small, well ventilated, and well-ventilated computers. Overall, customers find it to be a very respectable cooler for the size.

"...-37mm height means you can fit it in small cases and is really useful if you are designing/building your own case..." Read more

"...102mm x 122mm x 78mm -- it only stands 37mm tall, so has plenty of clearance...." Read more

"...All the parts are separated and snugly fit into a rubber/foam material...." Read more

"...Lessons learned for the Q03 box:-I like the oversized, high quality PSU - allows the PSU to double as a chassis fan why remaining..." Read more

72 customers mention56 positive16 negative

Customers like the appearance of the computer cooling device. They mention it has an amazing design, and is very well thought out. The quality of the cooler also stood out, as it was very well made and even the packaging had a top.

"Excellent cooler, 100% compatability due to excellent design, the diagonals exactly match socket screws so it actually does not go over socket..." Read more

"It is a really nice piece and far better than the stock Intel kit...." Read more

"...The design is pure gold for spacing in a micro itx case. You don't have to worry about ram size or hitting the GPU...." Read more

"...There is no nice way to put it, Noctua fans have the worse color scheme out of any fan I have ever seen...." Read more

55 customers mention30 positive25 negative

Customers are mixed about the value of the computer cooling device. Some mention it's pricey, but well worth the price, while others say it' a bit overpriced.

"...It's a bit $$ but totally worth the cost. These guys know what the heck they are doing." Read more

"...This is an expensive CPU cooler, but well worth it with one BIG exception......" Read more

"It was little price but worth it! Its very quiet. It is also very attractive...." Read more

"...I had to send that back. The Noctua (low-profile) CPU cooler is a little pricey, but you get high quality extremely quiet cooling for your money...." Read more

Small Package With Quiet Cooling
5 Stars
Small Package With Quiet Cooling
I was building a custom NAS, I purchased a used mini ITX mobo. The fan that came with it worked, however it was extremely loud and I had to quiet it down. From my previous experience I knew I had to replace the drive caddy fan and the CPU cooler fan with Noctua versions. I was impressed with the massive change in the sound of the NAS currently. The loudest noises now come from the hard drives!I am currently using this to cool an i7-4790 that is generally running near idle unless I am running VMs. The fans barely move and yet the temperature never goes above 30°C.Pros:-Extremely low/no noise from fans-95x95 mm size allows for small dense mobos that have extrusions near the CPU.-37mm height means you can fit it in small cases and is really useful if you are designing/building your own case-Noise conscious; the fan has rubber feet, the fan is properly balanced, the fans have aero features to help limit noise-LNA cable if you really want it to be quiet, in multiple builds I have yet to find a need for this though-Good performance, putting this cooler on decreased my CPU temps by 2 to 5 degrees compared to the cheap one that came on my used moboCons:-Price is higher than other options, but this is a high quality cooler-The fan does bring in air from the top, which may make some use cases finickyOverall: I would recommend this cooler if you are in need of a low profile silent solution to keeping your temperatures in check.
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Top reviews from the United States

Reviewed in the United States on September 5, 2023
Customer image
5.0 out of 5 stars Small Package With Quiet Cooling
Reviewed in the United States on September 5, 2023
I was building a custom NAS, I purchased a used mini ITX mobo. The fan that came with it worked, however it was extremely loud and I had to quiet it down. From my previous experience I knew I had to replace the drive caddy fan and the CPU cooler fan with Noctua versions. I was impressed with the massive change in the sound of the NAS currently. The loudest noises now come from the hard drives!

I am currently using this to cool an i7-4790 that is generally running near idle unless I am running VMs. The fans barely move and yet the temperature never goes above 30°C.

Pros:
-Extremely low/no noise from fans
-95x95 mm size allows for small dense mobos that have extrusions near the CPU.
-37mm height means you can fit it in small cases and is really useful if you are designing/building your own case
-Noise conscious; the fan has rubber feet, the fan is properly balanced, the fans have aero features to help limit noise
-LNA cable if you really want it to be quiet, in multiple builds I have yet to find a need for this though
-Good performance, putting this cooler on decreased my CPU temps by 2 to 5 degrees compared to the cheap one that came on my used mobo

Cons:
-Price is higher than other options, but this is a high quality cooler
-The fan does bring in air from the top, which may make some use cases finicky

Overall: I would recommend this cooler if you are in need of a low profile silent solution to keeping your temperatures in check.
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Reviewed in the United States on June 28, 2014
4 people found this helpful
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Reviewed in the United States on May 24, 2014
3 people found this helpful
Report

Top reviews from other countries

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Reactor Core Technologies Inc. (ReactorTec)
5.0 out of 5 stars These work great if you are installing a standard ATX board into a 2U rackmount case.
Reviewed in Canada on January 23, 2024
Justin123
5.0 out of 5 stars Sehr hochwertig & leise, Top.
Reviewed in Germany on August 27, 2023
3 people found this helpful
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lima
5.0 out of 5 stars Lo use en una Alienware X51 R3
Reviewed in Mexico on January 4, 2021
Alessandro
5.0 out of 5 stars Dissipatore low profile
Reviewed in Italy on August 31, 2021
Amazon Kunde
5.0 out of 5 stars Voortreffelijk!
Reviewed in the Netherlands on April 23, 2021