The Ultra320 I/O Module allows the StorageWorks 4200 or 4300 Enclosure to be upgraded to Ultra320 performance in less then five minutes. The ease of upgrading to Ultra320 proves to our customers that the StorageWorks 4200 and 4300 Enclosures provide the lowest cost of ownership in the market. In addition to upgradability the Ultra2/Ultra3/Ultra320 mix and match compatibility of the StorageWorks Enclosures proves that technology transitions to the next generation SCSI protocol can be simple and smooth without disrupting critical business environments.Primary InformationDevice Type : Storage controller Form Factor : plug-in module Interface Type : SCSI Supported Device : Hard drive Controller Interface Type : SCSI Ultra320 Storage Controller / Channel Qty : 1 Data Transfer Rate : 320 MBps PC Compatibility : PC Dimensions&MiscellaneousProduct Line : HP StorageWorks Header / Model : S/B ExpansionInterfaces & Connections : Connections: 1 x storage - Ultra160 SCSI LVD - 68 pin VHDCI (mini-Centronics); Compatible Bays: 1 x hot-swap Service&SupportService & Support Type : 3 years warranty Special FeatureCOO : United States TAA : Yes UNSPSC CodeUNSPSC Code : 43201500 Product IDUPC: 613326457450Manufacturer Part: 287484-B21