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The HP xw9400 Workstation with New Liquid Cooling Technology and Dual-Core AMD Opteron Processors:  What’s Hot Just Got Cooler

Introducing an innovative liquid cooling technology that reduces noise while maintaining high levels of performance.  Now available on the HP xw9400 personal workstation.

What is Liquid Cooling?

Liquid Cooling is an HP innovation allowing for the highest levels of workstation performance but without the corresponding increases in thermal heat and acoustic noise. 

This is achieved through the use of a liquid cooling assembly that quickly moves heat away from the processors to a heat exchanger located near the outside back wall of the enclosure, improving cooling efficiency and reducing overall airflow requirements.

Additional details can be found in the white paper titled ‘Reducing Acoustical Noise in Personal Workstations by Increasing Cooling Efficiency’(400K, PDF)

How is it implemented in a workstation?

Liquid Cooling

The liquid cooled xw9400 has two cold-plates, rather than large air-cooled heatsinks, that are firmly attached to the top of the processors.  The cold-plates, pump, and liquid coolant are all connected to a heat exchanger with proprietary rubber tubing, designed for rugged use, high temperatures, and long life.  Finally, the entire liquid cooling assembly is housed within a small plastic frame for quick installation and/or processor upgrades. 

To learn more about the acoustic benefits of this design innovation, read a whitepaper on HP’s liquid cooling implementation here.

Do you need Liquid Cooling?

It’s the hottest thing out there – and if you need high-end computing but are also sensitive to heat emissions and noise this is the technology for you.

It’s also a great fit for those of you interested in the latest and greatest innovations – who wouldn’t want a workstation fitted with liquid cooling technology?

How can I get it now?

HP offers a variety of processor speeds with our Liquid Cooling options which you can use to configure a customized workstation.  (It's important to note that you must purchase a dual-processor configuration to get Liquid Cooling technology.)


»  Configure a customized workstation

You can also purchase one of our popular pre-configured, in-stock, ready-to-ship Smart Buys.

HP xw9400 Workstation FL840UT#ABA

FL840UT#ABA
Priced at: $4,799
Save: 22% off list
  • Two AMD Opteron™ Processors Model 2376 / 2.3 GHz, 6 MB L3, Liquid Cooled
  • Genuine Windows Vista® Business 32-bit with downgrade to Windows® XP Professional 32-bit custom installed
  • 8 GB (4 x 2 GB) DDR2-667 ECC FBD
  • NVIDIA Quadro FX3700 PCIe
  • 300 GB SAS 3 Gb/s 15K rpm
Buy online

»  Benefits of Liquid Cooling White Paper (400K, PDF)
»  HP xw9400 Specifications (617K, PDF)
»  More xw9400 info
»  Buy one with Microsoft® Windows
»  Buy one with Red Hat Linux

"Liquid Cooling within the xw9400 HP workstation is a true HP innovation but it is just the beginning.  As knowledge of this technology permeates the market we should see demand for similar innovations within other components within the computer as well.  The traditional trade-off between performance and heat and noise increases is no longer valid.  The ground rules have been changed."

-  Walker Dollahon,
Product Manager, HP





*Except where noted, all prices are estimated U.S. HP prices. Actual prices from other locations or websites may vary.

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