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Compact brown dual-tower CPU cooler with 92mm fan, 110mm tall

Noctua

Noctua NH-D9L CPU cooler 92mm fan 110mm height

SKU CH-6B8X-W9GW3 MPN NH-D9L

A compact dual-tower cooler with a 92mm PWM fan that fits 110mm height limits while clearing RAM and PCIe slots on most ITX boards

  • ColorBrown
  • TypeFan & Heatsinks
  • Fan Size92mm
  • CPU Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151,
  • Bearing TypeSSO2
  • RPM2000 RPM (Standard), 1550 RPM (with L.N.A.)
  • Compact 110 mm height fits 3U, HTPC and small-form-factor cases
  • Dual-tower layout delivers strong cooling while clearing RAM and PCIe slots
  • NF-A9 92 mm fan with PWM runs at 22.8 dBA standard, 16.3 dBA with Low-Noise Adaptor
  • SecuFirm2 mounting covers Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5, AM4
  • Supports Intel Core Ultra 285K, 265K, 245K and Ryzen 9950X, 9900X, 9700X, 9600X

Compact 110mm dual-tower cooler

The Noctua NH-D9L is a premium dual-tower CPU air cooler standing 110mm tall with a 92mm NF-A9 PWM fan. Its 95x95mm footprint and horizontal fan orientation deliver strong cooling performance while maintaining full clearance for RAM modules and PCIe cards on Intel and AMD platforms. The package includes NT-H1 thermal paste and the SecuFirm2 mounting system for Intel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4 sockets.

Suited for space-restricted builds.

This cooler targets builders assembling HTPC, ITX, Small Form Factor or 3U server chassis where height is limited to 110mm. The 100% RAM and PCIe compatibility on mini-ITX boards makes it practical for dense layouts. Buyers who need higher thermal capacity for heavy overclocking should look at larger coolers instead. Systems requiring fan sizes other than 92mm will not match this mounting pattern.

110mm maximum cooler height decides fit

The single specification that determines compatibility is the 110mm overall height, which enables 3U rack compliance and fits cases with parallel airflow paths. At 531g weight with copper heatsink material, the NF-A9 fan runs at 2000 RPM standard or 1550 RPM with the Low-Noise Adaptor, producing 46.44 CFM airflow at 22.8 dBA or 36.84 CFM at 16.3 dBA respectively.

Highlights

  • Compact 110 mm height fits 3U, HTPC and small-form-factor cases
  • Dual-tower layout delivers strong cooling while clearing RAM and PCIe slots
  • NF-A9 92 mm fan with PWM runs at 22.8 dBA standard, 16.3 dBA with Low-Noise Adaptor
  • SecuFirm2 mounting covers Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5, AM4
  • Supports Intel Core Ultra 285K, 265K, 245K and Ryzen 9950X, 9900X, 9700X, 9600X

Specifications

BrandNoctua
ModelNH-D9L
ColorBrown
TypeFan & Heatsinks
Fan Size92mm
CPU Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4
Bearing TypeSSO2
RPM2000 RPM (Standard), 1550 RPM (with L.N.A.)
Air Flow46.44 CFM (Standard), 36.84 CFM (with L.N.A.)
Noise Level22.8 dBA (Standard), 16.3 dBA (with L.N.A.)
Heatsink MaterialCopper
Fan Mounting Types to HeatsinkHorizontal
Max CPU Cooler Height110 mm
Fan Dimensions92.00 x 92.00 x 25.00 mm ( NF-A9 PWM)
Heatsink Dimensions95.00 x 95.00 x 110.00 mm
Weight531g
Package ContentsLow-profile tower design for better airflow efficiency
3U compatibility
100% RAM compatibility
100% compatibility with PCIe cards on mini-ITX
NF-A9 premium fan
PWM support and Low-Noise Adaptor
Dual fan ready
SecuFirm2 mounting system
Compatibility with past and future sockets
NT-H1 thermal compound
Shipping weight1.20 kg
Package size180 × 180 × 155 mm

Questions about this item

Will the 110mm height and 95x95mm footprint fit my 3U chassis without blocking RAM or PCIe slots?

At 110mm tall and 95x95mm wide, the NH-D9L is 3U compliant and clears RAM and PCIe slots on all Intel ITX boards and most AMD ITX boards, leaving full access to memory and expansion cards.

Does the SecuFirm2 kit include the AMD AM5 offset mounting bracket, and how do I orient it?

Yes — the SecuFirm2 system supplies the AM5 offset bracket; install it with the notch facing the socket centre so the cold plate sits directly over the CPU die for optimal contact.

How often should I replace the NT-H1 thermal paste, and can I add a second NF-A9 fan later?

NT-H1 stays effective for years; re-apply only when remounting the cooler. The heatsink is dual-fan ready, so a second NF-A9 92mm PWM fan can be clipped on anytime for extra airflow.

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