The H-144 was a tension arm type magnetic tape unit, with an 8-track magnetic head and a recording density of 169BPI. It was used as an external storage and high-speed input/output device for processing large volumes of data.
| Magnetic tape used | Width 1/2inch ,Length 600feet |
|---|---|
| Number of tracks | 8 |
| Data processing speed | 1000digit/s |
| Number of mounted tapes | 4tapes/unit |
