Description
MiniScribe 3650 42MB 5.25" Half Height ST-506 MFM Hard Disk Drive HDD IBM PC
The MiniScribe 3650 is a vintage 42MB half-height hard disk drive in the 5.25" form factor, using the ST-506 MFM (Modified Frequency Modulation) interface. Manufactured in September 1988 and assembled in Singapore, this drive represents the standard mass-storage technology of the IBM PC/AT era. It connects via the traditional ST-506 two-cable configuration: a 34-pin control cable shared with up to two drives and a separate 20-pin data cable per drive.
Specifications & What's Included
- Brand: MiniScribe
- Model: 3650
- Capacity: 42 MB
- Form Factor: 5.25" Half Height
- Interface: ST-506 / MFM (Modified Frequency Modulation)
- Connectors: 34-pin control edge connector + 20-pin data edge connector
- Power Connector: Standard 4-pin Molex
- Country of Manufacture: Singapore
- Date of Manufacture: September 1988 (per sticker on top cover)
- Included: Drive only — no interface cables or mounting hardware
Applications
The MiniScribe 3650 was designed for the IBM PC, PC/XT, and PC/AT family of computers and their DOS-compatible clones — the dominant personal computing platforms of the mid-to-late 1980s. ST-506/MFM drives like this one were the standard internal storage solution for that generation of machines, typically paired with an MFM controller card seated in an ISA expansion slot. The 5.25" half-height form factor became ubiquitous in desktop tower and desktop cases of the era, replacing the earlier full-height drives as capacities grew. MiniScribe was one of the leading independent hard drive manufacturers of the 1980s, producing drives for OEM system builders and the retail aftermarket alike. Today, drives like the 3650 are sought by vintage computer collectors, hobbyists restoring period-correct IBM PC/AT builds, and enthusiasts running original DOS software on original hardware. An MFM controller card (such as those made by Western Digital or DTC) is required to use this drive in a host system.
This MiniScribe 3650 42MB 5.25" Half Height ST-506 MFM hard drive has been tested, formatted, and wiped, and is in good working condition. All previous data has been securely erased. The drive shows normal cosmetic wear consistent with its vintage age — the gold top cover has light surface marks and the PCB appears clean and intact with no obvious damage. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
MiniScribe |
Model: |
3650 |
MPN: |
3650 |
Type: |
Hard Disk Drive (HDD) |
SKU: |
8140 |
Interface: |
ST-506 / MFM |
Storage Capacity: |
42 MB |
Form Factor: |
5.25" Half Height |
Drive Size: |
5.25 inch |
Height: |
Half Height (HH) |
Country/Region of Manufacture: |
Singapore |
Compatible With: |
IBM PC, IBM PC/XT, IBM PC/AT, DOS-based compatibles |
Seller Notes: |
Drive only — no cables or mounting hardware included. |
Manufacture Date: |
September 1988 (per label sticker) |
Connector Type: |
34-pin control + 20-pin data edge connectors |
Technology: |
MFM (Modified Frequency Modulation) |
Condition Notes: |
MiniScribe 3650 42MB 5.25" HH MFM hard drive has been tested, formatted, and wiped — in good working condition. All previous data securely erased. Shows normal cosmetic wear for its age. Photos available. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |