The Noctua NH-D12L is a premium dual-tower CPU cooler that brings high-end performance to compact cases thanks to its reduced height of just 145mm. Unlike traditional 120mm dual-tower coolers, the NH-D12L fits into standard 4U rackmount enclosures and many tower cases that otherwise can’t accommodate 160mm-class coolers. Equipped with the ultra-quiet NF-A12x25r PWM round-frame fan and Noctua’s acclaimed dual-tower heatsink architecture, the NH-D12L balances exceptional cooling with full RAM and PCIe clearance.

Key Features:

• Compact 145mm height for enhanced chassis compatibility

• Dual-tower heatsink design with five heatpipes for efficient heat dissipation

• NF-A12x25r PWM fan – round-frame 120mm premium fan with superior performance

• 100% RAM clearance on Intel LGA1700/1200/115x and AMD AM5/AM4 platforms

• SecuFirm2™ mounting system and NT-H1 thermal paste included

Specifications:

• Dimensions (with fan): 145 x 125 x 113 mm

• Weight (with fan): 890 g

• Materials: Copper base and heatpipes, aluminium fins, nickel plating

• Heatpipes: 5

• Fan: NF-A12x25r PWM

• Fan Speed: 450 – 2000 RPM ±10%

• Airflow: 102.1 m³/h

• Static Pressure: 2.34 mmH₂O

• Acoustical Noise: 22.6 dB(A)

• Connector: 4-pin PWM

• Bearing Type: SSO2

• MTBF: >150,000 hours

Compatibility:
Supports Intel LGA1851, LGA1700, LGA1200, LGA115x, and AMD AM5/AM4 sockets. Due to its reduced height and asymmetrical design, it is compatible with many 4U cases, SFF chassis, and narrower mid-towers, while ensuring unrestricted RAM access.

Additional Features:

• Low-Noise Adapter (L.N.A.) included for quieter operation

• Offset fin-stack design enhances GPU and RAM clearance

• 6-year manufacturer warranty

• Can be upgraded with an optional second fan for push-pull configuration

Customer Benefits:
The NH-D12L is ideal for users who need top-tier air cooling in cases with limited height clearance. It delivers Noctua’s elite performance and acoustic efficiency in a size-conscious format, making it perfect for workstations, gaming PCs, and compact performance rigs.

What’s in the Box:

• NH-D12L heatsink

• NF-A12x25r PWM premium fan

• Low-Noise Adapter (L.N.A.)

• SecuFirm2™ mounting kit for Intel & AMD sockets

• NT-H1 thermal compound

• Installation manual

• Noctua metal case badge

Compliance:
This product meets all applicable European and international standards (CE, RoHS, REACH, WEEE, etc.). It has been designed and tested for maximum safety, performance, and environmental responsibility.

Manufacturer Contact:
Company Name: Noctua
Address: Noctua Produktions GmbH, Lastenstraße 19, 4020 Linz, Austria
Email: support(at)noctua(dot)at