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Power Supplies

DEFINITION:

Also see current, voltage, resistance,and Ohm's Law.

Electrical power is the rate at which electricalenergy is converted to another form, such as motion, heat, or an electromagnetic field. Thecommon symbol  … 
Definition continues below.



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Leveraging, protecting virtual machines in disaster recovery sites
sponsored by Citrix
WEBCAST: This expert webcast explains why traditional DR approaches are error-prone and expensive and how virtualizing DR can simplify the process. Watch it for best practices and key steps to create a successful virtualized DR plan in your IT shop.
Posted: 21 Dec 2008 | Premiered: Available On Demand
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Oracle VM: Performance Evaluation of Oracle VM Server Virtualization Software
sponsored by Oracle Corporation
WHITE PAPER: Your server virtualization plan is probably not enabling optimal server utilization, efficiency, and scalability levels. Read this white paper to learn about a Linux technology that offers superior performance and scalability.
Posted: 17 Dec 2008 | Published: 17 Dec 2008
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Oracle VM and NetApp Storage-Best Practices Guide
sponsored by Oracle Corporation
WHITE PAPER: This white paper reviews a virtualization strategy that leverages grid technology to dynamically share resources like servers, storage, and networking. This combination helps reduce power and space requirements.
Posted: 17 Dec 2008 | Published: 17 Dec 2008
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Tipcast: Steps to creating Tier 0 storage
sponsored by Sun Microsystems, Inc.
PODCAST: This podcast will discuss the differences between Tier 0, 1 and 2 storage.
Posted: 17 Dec 2008 | Premiered: 12 Dec 2008
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Introducing the PowerEdge M805 and PowerEdge M905 Blade Servers
sponsored by Dell and Microsoft
TECHNICAL ARTICLE: Dell PowerEdge M805 and PowerEdge M905 fullheight blade servers are designed to deliver outstanding performance in virtualized and database-intensive environments.
Posted: 15 Dec 2008 | Published: 12 Dec 2008
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Dell Transition Guide to Microsoft Windows Server 2008
sponsored by Dell, Inc.
WHITE PAPER: Windows Server 2008 features simplified power management and offers power savings for the data center. Dell offers world-class Power and Cooling hardware solutions and is a leader in environmental strategies.
Posted: 11 Dec 2008 | Published: 11 Dec 2008
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Going Green While Reducing Operational Costs, an Interview with Joe Clabby
sponsored by IBM
VIDEO: Joe reveals what technology he feels will have the biggest influence on the data center's costs and what else enterprises can do besides dumping air for water cooling.
Posted: 11 Dec 2008 | Premiered: 10 Dec 2008
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Moving Into an Energy Efficient Server Environment, an Interview with Joe Clabby
sponsored by IBM
VIDEO: Mounting pressure to "go green" means that IT managers are trying to cut power use throughout their IT shops. This videocast features power and cooling expert Joe Clabby, who discusses ways to create energy-efficient servers.
Posted: 08 Dec 2008 | Premiered: 08 Dec 2008
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Best Practices for Measuring Data Center Energy Efficiency
sponsored by IBM
VIDEO: In this videocast, power and cooling expert Ken Brill explains how to define and measure data center energy efficiency.
Posted: 08 Dec 2008 | Premiered: 08 Dec 2008
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Intel IT: Taking Power Management to the Limit--and Beyond
sponsored by Intel Corporation
CASE STUDY: Intel maximizes power and thermal management in an aging data center to add needed servers--without expensive new infrastructure.
Posted: 21 Nov 2008 | Published: 21 Nov 2008
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Intel's Drive to Green IT
sponsored by Intel Corporation
WHITE PAPER: Intel Premier IT Program members can review this presentation which explains how to optimize all of the elements in a data center in order to deliver the best energy efficiency.
Posted: 21 Nov 2008 | Published: 21 Nov 2008
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Reducing Data Center Energy Consumption
sponsored by Intel Corporation
WHITE PAPER: To deploy new computing resources without exceeding the thermal limits of its data center, CERN is taking a comprehensive approach to improving energy efficiency. This paper outlines key strategies, including a move to Intel Xeon processors.
Posted: 21 Nov 2008 | Published: 21 Nov 2008
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Battery Life Performance Benchmarks for the Digital Office
sponsored by Intel Corporation
TECHNICAL ARTICLE: Read this article to find how Intel Centrino 2 with vPro technology can help keep your workforce productive in the field.
Posted: 21 Nov 2008 | Published: 21 Nov 2008
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Disk Array Actuator: A Case for Self-Maintaining Array of Identical Disks
sponsored by Atrato, Inc.
WHITE PAPER: This paper compares the benefits and challenges involved with the development of high-density packaging, signaling, and management of hundreds of 2.5-inch small form factor disk drives.
Posted: 21 Nov 2008 | Published: 20 Nov 2008
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Meeting the Power and Memory Demands of Today's Data Center
sponsored by Spansion, Inc.
WEBCAST: In this webcast, learn how you can make breakthroughs in power, server consolidation and total cost of ownership in x86 data centers.
Posted: 12 Nov 2008 | Premiered: Available On Demand
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Top 10 Ways to Save Energy in Your Data Center
sponsored by Wright Line
VIDEO: Watch this expert videocast from Data Center Decisions 2008 to learn the top 10 energy saving tactics. Review advanced hot-aisle/cold-aisle strategies, tips for power distribution optimization, and more.
Posted: 12 Nov 2008 | Premiered: 11 Nov 2008
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Saving Energy in Your Data Center -- Why is it Important?
sponsored by Wright Line
VIDEO: Why create an energy-efficient data center? This expert videocast from Data Center Decisions 2008 uses real-life scenarios to explain the key benefits, how to meet regulations, and strategies to track and measure energy efficiency.
Posted: 12 Nov 2008 | Premiered: 11 Nov 2008
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Why Blades?
sponsored by Dell, Inc. and Intel
WEBCAST: Attend this webcast and learn why implementing a blade solution is a great fit in your next consolidation project.
Posted: 07 Nov 2008 | Premiered: Available On Demand
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Podcast: Why Blades?
sponsored by Dell, Inc. and Intel
PODCAST: Listen to this podcast and learn why implementing a blade solution is a great fit in your next consolidation project.
Posted: 07 Nov 2008 | Premiered: 13 Nov 2008, 09:00 EST (14:00 GMT)
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Raging Wire & Critical Power Competency Center
sponsored by Square D Critical Power Competency Center
CASE STUDY: Raging Wire Enterprises, a 200,000 sq/ft Tier IV data center discusses how its strategic partnership with Square D CPCC contributes to its reliability, uptime and an ultimate success.
Posted: 05 Nov 2008 | Published: 05 Nov 2008
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Sequence of Events Recording (SER), Part I
sponsored by Square D Critical Power Competency Center
VIDEOCAST: Despite technological advances, no power system can operate 100% of the time indefinitely. This videocast shows you how sequence of events recording (SER) can determine what went wrong and save the critical load.
Posted: 05 Nov 2008 | Premiered: 05 Nov 2008
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Data Center Demo (Flash Educational Tool)
sponsored by Square D Critical Power Competency Center
SOFTWARE DEMO: Interactive tool demonstrates the components and operation of a typical Tier IV data center power system.
Posted: 05 Nov 2008 | Published: 05 Nov 2008
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CA Data Center Automation Manager Product Brief: A Tactical Approach to Simplify Service Delivery in the Data Center
sponsored by CA
PRODUCT LITERATURE: Learn how automating critical operational processes frees up your IT staff to focus on innovation and strategic initiatives, reduces downtime, improves delivery lead time, and helps conserve valuable data center space and power resources.
Posted: 29 Oct 2008 | Published: 29 Oct 2008
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The Green Storage Gap
sponsored by Storage Magazine
JOURNAL ARTICLE: Storage departments are trying energy-saving technologies, but measuring ROI is still a challenge. This white paper presents methods to achieve this, giving pros and cons in that endeavor.
Posted: 23 Oct 2008 | Published: 01 Oct 2008
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Blade Servers & Virtualization: Improve Power & Cooling Efficiency - eGuide with Analyst View
sponsored by Hewlett-Packard Company
WHITE PAPER: This E-Guide provides tips on using blades and virtualization, details new virtualization product enhancements and offerings and sets the record straight on myths and misconceptions surrounding power, cooling and consolidation.
Posted: 01 Oct 2008 | Published: 30 Sep 2008
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1 - 25 of 40 Matches
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POWER SUPPLIES DEFINITION (continued): …  for power is the uppercase letter P. The standard unit is the watt,symbolized byW. In utility circuits, the kilowatt (kW) is often specified instead;1 kW = 1000 W.

One watt is the power resulting from an energy dissipation,conversion, or storage process equivalent to one joule per second. When expressed in watts, power is sometimes called wattage. The wattage in a direct current (DC) circuit is equal to the product of the voltage … 
Power Supplies definition sponsored by SearchCIO-Midmarket.com, powered by WhatIs.com an online computer dictionary



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