Based on Noctua's compact NH-U9 series and fitted with the award-winning NF-B9 fan and NT-H1 thermal compound, the NH-U9DX forms a complete premium quality package that provides excellent quiet cooling performance for 4U Xeon workstations and servers. The new SecuFirm2™ mounting system for socket 771 is highly convenient and makes the NH-U9DX a tailor-made drop-in replacement for standard Intel coolers. To make your Xeon systems quieter has never been so easy!

Features:

• Tailor-made for Dual Xeon: The NH-U9DX's fin shape has been modified so that two coolers form an air duct on Dual Xeon setups, producing superior cooling performance at very low noise levels.
  
• SecuFirm2™ for Socket 771 and 604: Completely pre-installed, the new SecuFirm2™ mounting system ensures maximum convenience and extremely short installation time.
  
• NF-B9 premium fan: Featuring psychoacoustic optimizations and Noctua's premium-grade SSO-bearing, the award-winning NF-B9 is renowned for its exceptional quietness and long-term stability.
• Drop-in replacement for standard Intel coolers: SecuFirm2™ for Socket 771 is fully compatible with the original Intel installation system so that the NH-U12DX works as a simple drop-in replacement
  
• Drop-in replacement for standard Intel coolers: SecuFirm2™ for Socket 771 is fully compatible with the original Intel installation system so that the NH-U9DX works as a simple drop-in replacement.

• Socket Compatibility:Intel LGA 771 & mPGA 604 (10mm mounting-holes only)
  
• Material: Copper (base and heat-pipes), aluminium (cooling fins), soldered joints & nickel plating
• Applications: Intel Xeon 5xxx & Xeon 7xxx
• Fan Compatibility:92x92x25 (2 fans can be installed)
• Size including fan in mm (LxWxH): 122 x 96 x90

Includes:

• 1x NH-U9DX Heatsink
• NF-B9 fan
• Mounting Kit for 2 fans
• Ultra-Low-Noise-Adaptor (U.L.N.A.)
• NT-H1 high-grade thermal compound
• SecuFirm™ mounting kits for771/604
• Warranty: 6 years