HP has announced a variety of affordable, energy-efficient desk-based products and environmentally friendly features for business customers. vailable today, the new HP Compaq dx2250 Desktop PC is a reliable, full-featured business computer featuring energy-efficient processors to help lower a customer's total cost of ownership. HP also plans to offer 80 percent efficient power supplies on select desktop business PCs.HP additionally announced a trade-in program to make it more affordable for customers to obtain thin client technology while disposing of old technology in an environmentally responsible manner."As the world's largest PC manufacturer, HP understands there's a lot at stake when it comes to energy efficiency, from the rising cost of resources to the environmental impact," said Jeff Groudan, vice president, Business PC Marketing, Personal Systems Group, HP. "We continue to proactively design, develop and incorporate energy-saving technologies into our products."The HP Compaq dx2250 Business Desktop microtower PC is available with a range of high-performance AMD Athlon™ 64 X2 dual-core, AMD Athlon 64 and AMD Sempron™ processors. It also is the second HP business desktop series to feature AMD Cool 'n' Quiet™ technology to help reduce processor heat for an overall cooler PC and a quieter work environment.The dx2250's 64-bit processors are designed to provide a seamless upgrade path to next-generation software and hardware and offer support for both Microsoft Windows® XP™ and the upcoming Windows Vista™ operating systems. High-capacity hard drives help increase storage capabilities, and a PCI Express x16 slot allows for graphic upgrades.As from this month, HP's 80 per cent efficient power supplies will be an option for the recently introduced HP Compaq dc7700, dc5700 and dc5750 series desktop PCs. The new 80 per cent efficient power supplies are 33 percent more efficient than current power supplies because they reduce the power drawn in waste heat that is dispersed into the environment.