Manufacturer: IBM Type: RAID Controller Model: 46M0851 Host Interface: PCI Express 2.0 x8 Data Transfer Rate: 6Gb/s dla SAS/SATA/SSD Cache Size: 512MB (DDR2 running at 800MHz) RAID Levels: 0, 1, 5, 10, and 50 (RAID 6 and 60 support with the optional M5000 Advanced Feature Key) Supported Drives: Connects to up to 32 SAS or SATA drives