Mitsubishi MF355F-3490UC 1.44MB 3.5" Floppy Drive Compaq 160788-201 3-Mode

Mitsubishi MF355F-3490UC 1.44MB 3.5" Floppy Drive Compaq 160788-201 3-Mode

The Mitsubishi Electric MF355F-3490UC is a 3.5-inch 1.44MB internal floppy disk drive listed as a Compaq spare part under part number 160788-201. It is a 3-mode drive, meaning it supports standard 1.44MB HD, 720KB DD, and 1.2MB (Japanese FD1 format) operation. The drive uses a standard 34-pin IDC ribbon connector and is designed for internal mounting in desktop PC systems.

Specifications & What's Included

• Manufacturer: Mitsubishi Electric
• Model: MF355F-3490UC
• Compaq Spare Part Number: 160788-201
• Alternate Part Number: 172464-001
• Capacity: 1.44 MB (HD); also supports 720KB (DD) and 1.2MB (3-mode)
• Drive Mode: 3-Mode (1.44MB / 720KB / 1.2MB)
• Form Factor: 3.5-inch slim internal
• Interface: 34-pin IDC ribbon floppy connector
• Country of Manufacture: Thailand (per label)
• Certifications: CE, UL (LR68491)
• Included: Drive unit only — no ribbon cable or mounting hardware 3.5-inch 1.44MB internal floppy drive was the standard removable storage medium for desktop PCs from the late 1980s through the early 2000s, and drives of this type remain in use today wherever legacy systems require a replacement. The MF355F-3490UC was sourced and designated as a Compaq spare part, making it a direct fit for Compaq Deskpro, Presario, and compatible desktop platforms of that era. The 3-mode capability adds support for the older 1.2MB format used in Japanese-market systems, broadening compatibility. These drives are still sought for maintaining older industrial PCs, CNC machines, medical equipment, and other systems that rely on floppy-based data transfer or software loading and have not been migrated to USB-based floppy emulators.
  Condition: For Parts or Not Working
  This Mitsubishi MF355F-3490UC 3.5" 1.44MB internal floppy drive is in good physical condition. It has not been bench-tested at our facility — we are selling it as-is due to its age. The drive shows normal light wear consistent with prior storage or light use; the faceplate and housing appear intact with no major damage visible in the photos. If you need testing results or have questions about compatibility, please reach out before purchasing. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function. Visit Our Store

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