Noctuas DX line of coolers has become a default choice in high performance quiet cooling solutions for Intel Xeon CPUs. The latest i4 revision supports LGA2011 (both Square ILM and Narrow ILM), LGA1356 and LGA1366 based Xeon platforms and the 9cm model NH-U9DX i4 comes equipped with two of Noctuas award-winning NF-B9 premium fans with PWM for automatic speed control. Standing 125mm tall, the NH-U9DX i4 combines outstanding quiet cooling efficiency with full 4U compatibility. Fitted with the professional SecuFirm2 mounting system and bundled with Noctuas industrial-grade NT-H1 thermal compound, the NH-U9DX i4 forms a complete premium quality package for quietly cooling Xeon based workstations and servers.
Intel LGA2011 (Square ILM and Narrow ILM), LGA1356, LGA1366 (wtih Xeon backplate)
Copper (base and heat-pipes), aluminium (cooling fins), soldered joints and nickel plating
Scope of Delivery
2x NF-B9 PWM premium fan
Low-Noise Adaptor (L.N.A.)
NT-H1 high-grade thermal compound
SecuFirm2 Mounting Kit
Model:2x Noctua NF-B9 PWM
Max. Rotational Speed (+/- 10%):1600 RPM
Max. Rotational Speed with L.N.A. (+/- 10%):1300 RPM
Min. Rotational Speed (PWM):300 RPM
Max. Airflow:64,3 m/h
Max. Airflow with L.N.A.:52,6 m/h
Max. Acoustical Noise:17,6 dB(A)
Max. Acoustical Noise with L.N.A.:13,1 dB(A)
Input Power:0,96 W
Voltage Range:12 V
MTBF:> 150.000 h
Item Dimension (L"xW"xH"):
4.7 x 3.7 x 4.9
Orders below $100: $10 flat rate
Orders above $100: FREE
Currently we only ship within the US.
You have 14 calendar days to return an item from the date you received it.
To be eligible for a return, your item must be unopened in the same condition that you received it.
Your item must be in the original packaging.
Your item needs to have the receipt or proof of purchase.
Once we receive your item, we will inspect it and notify you that we have received your returned
item. We will immediately notify you on the status of your refund after inspecting the item.
If your return is approved, we will initiate a refund to your credit card (or original method of payment).
You will receive the credit within a certain amount of days, depending on your card issuer's policies.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are nonrefundable.
If you receive a refund, the cost of return shipping will be deducted from your refund.
If you have any questions on how to return your item to us, contact us.