WiebeTech has introduced two more models in its SilverSATA Series, making eight models now available that hold SATA one or two drives in interchangeable trays. Models are available in single, dual, four or five bay units and with various options of eSATA, FireWire, USB or SCSI interfaces. In addition the company is introducing an eSATA PCI-X host adapter, with four eSATA ports, that supports SilverSATA models with an eSATA interface.