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| Reduce power consumption by going green with CDW |
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Going green is easier said than done. But there are five key areas where a few small changes can lower overall power consumption
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HP Compaq Business
Desktop dc5800 |
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| This ENERGY STAR® qualified PC delivers proven technology, productivity tools and security features to help provide a worry-free foundation for your business. |
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Samsung® P2370
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| Reduce your carbon footprint with this 23" analog/digital, widescreen LCD that is ENERGY STAR qualified, so it uses 50% less energy. |
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HP ProLiant ML150 G6
Series Server |
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| This server supports Intel® Xeon® 5500 series processors, delivering enhanced computing performance. |
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| Five ways to reduce power consumption in your data center |
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Everyone’s talking green IT these days, and with good reason: It takes a tremendous amount of energy to power a data center. With that in mind, here are five areas where a few small process tweaks can translate into big dividends by reducing overall power consumption in your data center.
1. Raise the temperature
Consider increasing the thermostat setting to cut costs. Traditionally, data centers are cold because evidence suggests that hardware runs better when it’s cooler. But making a data center too cold can result in a big energy bill.
Working closely with IT equipment manufacturers, the American Society of Heating, Refrigerating and Air-Conditioning Engineers determined that data center equipment can withstand higher temperatures and wider humidity ranges than previously thought. In 2008, the organization widened the recommended temperature range to between 64 to 81 degrees and the relative humidity range to between 35 to 60 percent.
2. Improve design
A few design changes can help improve the airflow, thereby reducing your cooling costs. One option is rearranging the perforated floor tiles to implement a hot-aisle/cold-aisle configuration. You can also install energy-efficient lighting and retrofit cooling systems with variable speed motors so they generate less heat and consume less power.
Using contained cabinets that take air from the floor and vent it directly out the top will dramatically improve airflow. American Power Conversion and numerous other manufacturers offer products in this area, including highly efficient in-row fan and chilled-water solutions to cool hot spots at the rack level.
3. Centralize PC shutdowns
By powering down PCs at night from the data center with power management tools and remote systems management software, IT administrators can enforce a power-off policy and either shut down, hibernate or put to sleep any idle computers.
Energy savings from shutting down machines at night could net $15 to $20 per computer annually. You can also buy software that lets IT customize wattage settings to specific groups of users and shows estimated power savings before policies take effect. It also provides reports on the amount of power, kilowatt-hours and dollars saved.
4. Manage power remotely
IT organizations can install equipment and sensors to measure everything, from the amount of energy that servers, storage, networking and cooling equipment use to the temperature and humidity in front of server racks and in every corner of the data center. That provides the baseline data IT administrators need to determine how to make their data centers more efficient, which in turn helps save energy and money.
Such data will let IT pinpoint hot spots that need attention and raise the temperature of the data center, then analyze its effects. You might also want to consider changing the voltage settings on equipment: Rather than convert power to 120 volts, run equipment at higher voltages, such as 208 to 480 volts. That way, power supplies can run more efficiently.
5. Upgrade power supply systems
Most new uninterruptible power supply (UPS) systems maintain at least 97 percent efficiency, which means only 3 percent of incoming power leaks out as heat. Older UPS systems operate at 70 to 80 percent efficiency, which means 20 to 30 percent of power is lost.
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