Product Detail 2.2 GHz Intel Xeon Processor Delivers essential availability features including 6 hot-plug drive bays and an optional hot-plug redundant power supply Standardize on the flexible and expandable ML350 G3 for a variety of applications and deployments. . The "PROLIANT ML350 TWR G3-XEON/2200 512MB ARRAY" is best product for you. We recommended PROLIANT ML350 TWR G3-XEON/2200 512MB ARRAY