The Model 148 of 1976 combined faster internal speeds with a variety of features to help medium-scale users expand computer applications more easily and economically. Seen in this "white room" design model (from left) are the associated IBM 3850 Mass Storage System, 3205 Card Reader (foreground), 3203 IV Printer (background), 3525 Card Punch (foreground), 3148 Central Processing Unit (background), 3286 Printer, two 3275 Display Stations (foreground), 3705 Communications Controller (background), and a bank of IBM 3344 Direct Access Storage units with a 3340 Direct Access Storage Facility.