u/OCguy2026

Circa 1970 ….mainframe ibm 360 mounted tape drive 2401

IBM 2401 Magnetic Tape Unit

The IBM 2401 is a magnetic tape drive introduced in 1964 as part of the System/360, featuring 9-track format, up to 45 MB capacity on 2,400 feet of tape, and 3-minute rewind times.

Known for its iconic reel-to-reel design, this unit was instrumental in establishing 8-bit byte standards and often featured in black cabinets

u/OCguy2026 — 3 days ago