The Model 165 of 1970 was designed to handle large data bases, remote computing and high throughput multiprogramming. This "white room" design model includes (from left) eight IBM 3420 Magnetic Tape Units and a single 3803 Tape Control, three 2821 Control Units (background), four 1403 N-1 Printers (foreground left center), two 2540 Card Read Punch Units (foreground right center), 3066 System Console (center background), 2821 Control Unit (right background), 2314 Direct Access Storage Facility (right middle) and IBM 2305 Fixed Head Storage (right foreground).