- 4 U compatibility
- 2x NF-B9 92 mm premium fan
- PWM support and low-noise adapter
- SecuFirm2 mounting system
- NT-H1 thermal compound
Noctua's DX line of coolers has become a default choice in high performance quiet cooling solutions for Intel Xeon CPUs. The i4 revision supports LGA2011 (both Square ILM and Narrow ILM), LGA1356 and LGA1366 based Xeon platforms and the 9 cm model NH-U9DX i4 comes equipped with two of Noctua's award-winning NF-B9 premium fans with PWM for automatic speed control. Standing 125 mm tall, the NH-U9DX i4 combines outstanding quiet cooling efficiency with full 4 U compatibility. Fitted with the professional SecuFirm2 mounting system and bundled with Noctua's industrial-grade NT-H1 thermal compound, the NH-U9DX i4 forms a complete premium quality package for quietly cooling Xeon based workstations and servers.