Does anyone know if this or the full sized one is quieter? I'm not going to overclock and all I want is a near silent computer.

any cooler noctua makes is quiet - i had that cooler and it left me slightly under-whelmed, and i was thinking it'd be a much better cooler with 4 heatpipes, vs the two it comes with. About 2 weeks later they released the same cooler, slightly taller, with 4 heatpipes - i'd suggest going with that one, fwiw

Can I use liquid metal for this cooler?

I wouldn't. Liquid Metal is for de-lidding and replaces the questionable TIM Intel uses between the CPU core and the lid, not between the lid and a heatsink.

Will this fit in a mini-stx case such as the silverstone vt02?

There is no issue with the size of the cooler itself. Silverstone's VT02 is able to fit a cooler up to 46mm tall, and the NH-L9i stands at about 37mm. However, there could potentially be a compatibility issue with the motherboard as some of its components (capacitors, rear IO, etc.) could prevent the cooler from being installed properly. Some mini- and micro-STX boards are designed primarily with small circular coolers like Intel's stock solution in mind. Keep this in mind.

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Noctua NH-L9i, Quiet High-Performance Low-Profile CPU Cooler | Only 37mm Height, ITX SFF Low-Noise Cooling, For LGA1200/1151, 92mm Slim Fan, No RAM or PCIe Overhang, Rich Accessory Kit

Product ID: 1202724

Details

Air Flow Capacity
57.5 cubic per
Brand
Noctua
Compatible Devices
Desktop
Cooling Method
Air
Material
Copper (base &
Maximum Rotational Speed
2500 rpm

🌀92mm slim, quiet fan

📏37mm ultra-low profile

🛠️SecuFirm2 easy install

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Description

❄️ Cool performance, zero bulk — your ITX build’s new best friend!

SLEEK 37 MM HEIGHT - Fits perfectly in compact ITX and SFF builds without compromise.
6 YEAR NOCTUA WARRANTY - Invest in legendary reliability trusted by pros and enthusiasts alike.
WHISPER QUIET 92 MM FAN - Experience powerful airflow at just 23.6 dB—cooling that won’t interrupt your flow.
ZERO RAM PC IE OVERHANG - Maximize your build’s expandability with a footprint that respects your slots.
PREMIUM THERMAL PASTE INCLUDED - NT-H1 paste ensures optimal heat transfer right out of the box.

The Noctua NH-L9i is an ultra-compact, low-profile CPU cooler designed for ITX and small form factor PCs. Standing only 37mm tall, it features a highly optimized 92mm PWM fan that delivers efficient airflow at whisper-quiet noise levels (23.6 dB). Its 95x95mm footprint avoids any RAM or PCIe slot overhang, ensuring full compatibility with modern Intel LGA1200/1151 sockets. Included are premium NT-H1 thermal paste and the SecuFirm2 mounting system for easy installation. Backed by a 6-year warranty, it’s the perfect cooling solution for Intel Core i3, i5, and i7 CPUs with moderate heat loads.

Specifications

ASIN	B009VCAJ7W
Air Flow Capacity	57.5 cubic meter per hour
Best Sellers Rank	#120 in Computer CPU Cooling Fans
Brand Name	Noctua
Compatible Devices	Desktop
Cooling Method	Air
Customer Reviews	4.7 4.7 out of 5 stars (3,435)
Global Trade Identification Number	00842431014269, 04716123314875, 07967907179310
Included Components	Item
Item Dimensions L x W x H	3.74"L x 3.74"W x 1.46"H
Item Weight	443 g
Manufacturer	Noctua
Material Type	Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
Maximum Rotational Speed	2500 rpm
Model	NH-L9i
Noise Level	23.6 db
Number of Items	1
Part Number	NH-L9i
Power Connector Type	4-Pin
UPC	842431014269 731215283291 039281014277 115970979550 739197641290 163120668250 803982961730 872182807933 807320189206 168141422058
Unit Count	1 Count
Voltage	12 volts
Warranty Description	6 year manufacturer’s warranty

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฿6490

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

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