Data sheet: https://hxc2001.com/download/datasheet/floppy/thirdparty/Teac/FD235HFC291.pdf

Key specifications of the TEAC FD-235HF-C291:

• Disk type: 3.5-inch micro floppy
• Capacity: 2MB (unformatted, 2HD mode), 1MB (unformatted, 2DD mode). Typical formatted capacities are 1.44MB (2HD) and 720KB (2DD).
• Data transfer rate: 500kbps (2HD), 250kbps (2DD).
• Physical size: Width 101.6mm, Height 25.4mm, Depth 145mm, Weight ~410g.
• Interface: 34-pin IDC connector (standard floppy) for signal; 4-pin power connector (+5V).
• Average seek time: 94ms.
• Front bezel: Beige color, with eject button and LED indicator.

Operation and features:

• Supports both reading and writing in two modes: 2MB (high-density, MFM recording, 1.44MB formatted) and 1MB (double-density, FM/MFM recording, 720KB formatted).
• Automatic disk type detection (2HD/2DD).
• Motor speed: 300RPM, DC brushless type.
• Standard mounting for both vertical and horizontal orientations.