5th generation Smart Array controller. Quad channels, can support up to 14 Physical Drives on each channel. Supports up to 32 Logical Drives with any combination of RAID Levels. Supports Ultra3 and Ultra2 Universal Pluggable drives. Ultra3 and Ultra2 can be mixed on the same channel (but should not be in the same array, drives will run at their own speeds, 160MB/s or 80MB/s). Will support legacy Ultra Wide drives. Full Length PCI Card. 64bit, 66MHz PCI interface boosts bandwidth up to a 533MB/s total transfer rate. 64bit memory addressing supports servers with greater than 4GB of memory. 128MB Read/Write Cache on a removable battery-backed cache module. Supports Raid Levels 0, 1, 0+1, 5 and ADG (Advanced Data Guarding N+2). Controllers sold prior to the fourth quarter, 2000 might not have shipped with ADG enabled.