OptiPlex GX745 Core Duo 2.4 GHz
OptiPlex GX620 3.0 GHz
OptiPlex GX280 3.0 GHz
OptiPlex GX270 2.6-2.8GHz

Precision Workstation 650 Dual Xeon 2.4GHz
Precision Workstation 670 Dual Xeon 3.2GHz
Precision Workstation 490 Dual Core 3.0GHz