The Dell 39320A SCSI Lead controller is a high-performance 64-bit/133-MHz PCI-X, dual channel Ultra320 SCSI card. It provides data protection at the fastest SCSI speeds of up to 640 mbps using the Ultra320 SCSI Low Voltage Differential (LVD) devices. The card features 68-pin LVD/SE connectors and supports hot-swappable devices.