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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

  • Fan size140 mm
  • Supported CPU socketsIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151,
  • Bearing designSSO2
  • Rotational speed1,500 RPM (Standard), 1,200 RPM (with L.N.A), 300 RPM (PWM)
  • Airflow rate82.52 CFM (Standard), 67.98 CFM (with L.N.A)
  • Operating noise24.6 dBA (Standard), 19.2 dBA (with L.N.A.)

Model NH-D15S

  • 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.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $136.99
Pricier than about 92% of the 1,559 comparable items (median $19.99).
Fan size 140 mm
Higher than about 93% of the 812 comparable items (median 80 mm).

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Specifications

Product
Brand nameNoctua
Model nameNH-D15S
Product typeFan & Heatsinks
Performance
Rotational speed1,500 RPM (Standard), 1,200 RPM (with L.N.A), 300 RPM (PWM)
Airflow rate82.52 CFM (Standard), 67.98 CFM (with L.N.A)
Size & build
Fan size140 mm
Bearing designSSO2
Cooler materialCopper
Fan mountingHorizontal
Heatsink dimensions6.49 in × 5.9 in × 5.3 in w/ fan
6.3 in × 5.9 in × 5.3 in w/o fan
Product weight2.53 lb w/ fan
2.16 lb w/o fan
Shipping weight2.03 kg
Package size239 × 229 × 188 mm
Compatibility
Supported CPU socketsIntel LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150 and AMD AM5, AM4
CPU cooler height limit160 mm
Environment & compliance
Operating noise24.6 dBA (Standard), 19.2 dBA (with L.N.A.)

Other versions of this model

1 more in the same range

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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