Know your gear
IBM 2832 associated DS8886 Expansion Unit Model 98E has 508.8 (including the 120 flash cards), 691.2 TB, 691.2 TB and 307.2 TB physical capacity, 288, 432, 432 and 192 disk drives for up to four expansions respectively, 16 or 0 host adapters, and attaches to Model 981.