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Noctua NH-D15S dual-tower CPU cooler with single 140mm brown fan

Noctua

Noctua NH-D15S CPU cooler 140mm fan

SKU CH-GGG6-SE2R3 MPN NH-D15S

Asymmetrical dual-tower CPU cooler with a single 140mm PWM fan, 6 heatpipes, 100% RAM clearance up to 65mm height, and top PCIe slot access on most boards

  • TypeFan & Heatsinks
  • Fan Size140mm
  • CPU Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151,
  • Bearing TypeSSO2
  • RPM1500 RPM (Standard), 1200 RPM (with L.N.A), 300 RPM (PWM)
  • Air Flow82.52 CFM (Standard), 67.98 CFM (with L.N.A)

Model NH-D15S

  • NH-D15 chromax
  • NH-D15 SE-AM4
  • NH-D15S
  • NH-D15

Struck-through versions exist but are not stocked here.

  • Asymmetric single-fan layout clears top PCIe slot on most motherboards
  • Recessed lower fins guarantee 100% RAM compatibility with modules up to 65mm height
  • NF-A15 140mm PWM fan runs at 19.2 dBA with Low-Noise Adaptor
  • Dual-tower heatsink with six heatpipes delivers 82.52 CFM airflow for overclocking headroom
  • SecuFirm2 mounting kit supports Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5, AM4

Premium dual-tower cooler for wide CPU compatibility

The NH-D15S is a high-performance air cooler built around an asymmetrical dual-tower heatsink with six heatpipes and a single 140mm NF-A15 PWM fan. Its offset layout clears the top PCIe slot on most motherboards and guarantees full compatibility with memory modules up to 65mm tall. The design targets builders who need strong thermal headroom for overclocking or near-silent operation across current Intel and AMD platforms.

Single fan plus upgrade path keeps noise low

The package includes one NF-A15 fan, a Low-Noise Adaptor and clips for adding a second 120mm or round 140mm fan later. Running the standard fan at 1500 RPM delivers 82.52 CFM at 24.6 dBA; the adaptor drops speed to 1200 RPM for 67.98 CFM at 19.2 dBA. NT-H1 thermal compound and the SecuFirm2 mounting kit are also supplied, so the cooler works out of the box on LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5 and AM4 sockets.

Copper heatsink with horizontal fan mount fits

The copper fin stacks measure 6.49 by 5.90 by 5.30 inches with the fan installed and weigh 2.53 lbs. The horizontal fan orientation directs airflow across the motherboard voltage-regulator area while keeping the overall height at 160mm. Builders with tighter cases or those who need a second graphics card should verify clearance, as the dual-tower footprint and fixed height limit flexibility in compact chassis.

Highlights

  • Asymmetric single-fan layout clears top PCIe slot on most motherboards
  • Recessed lower fins guarantee 100% RAM compatibility with modules up to 65mm height
  • NF-A15 140mm PWM fan runs at 19.2 dBA with Low-Noise Adaptor
  • Dual-tower heatsink with six heatpipes delivers 82.52 CFM airflow for overclocking headroom
  • SecuFirm2 mounting kit supports Intel LGA1851, LGA1700, LGA1200, LGA115x and AMD AM5, AM4

Specifications

BrandNoctua
ModelNH-D15S
TypeFan & Heatsinks
Fan Size140mm
CPU Socket CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4
Bearing TypeSSO2
RPM1500 RPM (Standard), 1200 RPM (with L.N.A), 300 RPM (PWM)
Air Flow82.52 CFM (Standard), 67.98 CFM (with L.N.A)
Noise Level24.6 dBA (Standard), 19.2 dBA (with L.N.A.)
Heatsink MaterialCopper
Fan Mounting Types to HeatsinkHorizontal
Max CPU Cooler Height160 mm
Fan Dimensions140 x 150 x 25mm
Heatsink Dimensions6.49" x 5.90" x 5.30" w/ fan
6.30" x 5.90" x 5.30" w/o fan
Weight2.53 lbs. w/ fan
2.16 lbs. w/o fan
FeaturesHigh-compatibility version of NH-D15
Compared to the award-winning NH-D15, the S-version uses an off-set, asymmetrical layout and a single instead of dual NF-A15 fans. This allows the NH-D15S to provide state-of-the-art heatsink performance while maintaining superior RAM and PCIe compatibility.
Excellent RAM compatibility
Thanks to its recessed lower fins, the NH-D15S provides 65mm clearance for tall memory heatsinks, making it compatible with most high end modules on the market. As the lower fins are recessed on both sides of the heatsink, compatibility is excellent not only on LGA1
Package ContentsScope of Delivery
1xNF-A15 PWM premium fan
1xLow-Noise-Adaptor ( L.N.A)
Fan Clips for 2nd Fan
NT-H1 High-grade Thermal compound.
SecuFirm2 Mounting Kit
Noctua Metal Case-Badge
Shipping weight2.03 kg
Package size239 × 229 × 188 mm

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How often should the NF-A15 fan bearing be serviced or replaced?

The SSO2 bearing is self-lubricating and designed for long-term operation without scheduled maintenance; Noctua backs the cooler with a six-year manufacturer warranty.

What RAM height clears the cooler without removing the fan?

The recessed lower fin stack guarantees 100 percent compatibility with memory modules up to 65 mm tall.

How loud is the NF-A15 fan at full speed during continuous load?

At the standard 1500 RPM the fan produces 24.6 dBA; with the included Low-Noise Adaptor it drops to 19.2 dBA at 1200 RPM.

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