Extremely uncommon early full-height Seagate ST-4038M hard disk subsystem featuring a custom OEM controller assembly and original Franklin Telecom identification labels.
This is not a standard desktop PC hard drive. The unit appears to have been part of a telecommunications or industrial computing system and retains its large custom electronics package, heavy-duty mounting frame, and original OEM labeling from Franklin Telecom of Westlake Village, California.
Marked:
• Product: 33 MB
• Model: F/I-33
• Serial No: 331205
• 115VAC 1.0A 60Hz
Drive mechanism label identifies:
• Seagate Technology ST-4038M
• Assembled in Scotts Valley, CA
• Dated JAN 27 1987
Features:
• Genuine Seagate ST-4038M mechanism
• Massive full-height form factor
• Original custom controller PCB with extensive through-hole components
• Industrial mounting frame and shock-isolation hardware
• Original ribbon cable and edge-card connectors
• Franklin Telecom OEM labels intact
• Exceptional vintage electronics display piece
Condition:
• Untested
• Sold as-is due to age
• Very clean cosmetic condition overall
• PCB presents well with no major visible corrosion
• Original labels and markings remain intact
• Excellent candidate for restoration, display, or preservation
An impressive piece of early data storage and telecom computing history. Much rarer and more visually striking than common consumer MFM drives from the same era.
Perfect for collectors of:
• vintage hard drives
• telecom hardware
• industrial computing systems
• Seagate history
• 1980s electronics and engineering
