Raid Controller SASWT4I Entry level 3Gb RAID controller with 4 SAS/SATA ports supporting LSI IT/IR RAID stack. Board Form Factor: Low-Profile Data Transfer Rate: 3 Gb/s Supported Devices: SAS/SATA Devices RAID Level Supported: 0,1,1E # of Ports Internal: 4 # of Ports External: 0 # of Devices Supported: 122 PCIe Host Interface: PCI Express x4 IO Processor Model: LSI1064e