Lenovo System x3200 x3400 x3500 Series 4-Bay SAS 3.5" HDD Hard Disk Drive Backplane Board with Cables 44E8780 11S44E8780.
Storage Interface: SAS 6.0Gb/s
Expansion Slots: 4x SAS
Type: Backplane Board
Features: miniSAS Signal Cable P/N: 46C4005 11S46C4005, SAS Power Cable P/N: 39Y8508 11S39Y8508