The Sunnyvale, Calif., chipmaker on Tuesday said it would begin shipping two low-power Opterons for blade servers, starting in mid-March. The announcement fulfills a promise the chipmaker made in September. In addition, AMD lowered the prices on a number of its existing Opteron models.

AMD plans to offer two versions of the low-power processor, dubbed Opteron HE and Opteron EE. The HE chip, which consumes up to 55 watts of power, is the higher performance of the two. It will start out near the top of the company's model number system for ranking performance, with the HE 846, 246 and 146 models. The 30-watt EE chip will come in model numbers 840, 240 and 140, AMD said in a statement.

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