- Compact size for excellent compatibility
- Dual NF-A9 PWM fans
- PWM support and low-noise adaptors
The TR4-SP3 features a larger contact surface as well as the SecuFirm2 mounting system for socket TR4/SP3. Topped off with two of the renowned quiet NF-A9 PWM 92 mm fans in a push/pull dual fan configuration, Noctua's advanced NT-H1 thermal compound, the NH-U9TR4-SP3 forms a highly compact, premium-quality solution that combines outstanding performance, superb acoustics and excellent compatibility for space-restricted TR4/SP3 systems.