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RetroFloppy offers a selection hard-to-find serial cables and diskettes. Jump to:

Serial Cables | USB Adapters | Blank Disks | ADTPro Disks

Please note: RetroFloppy is on Spring Break this week.
Orders placed now will ship Monday, April 7. Thank you for your patience!

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Apple IIc, Laser 128 null modem


Apple IIgs, IIc+, LC III null modem


Apple III, Super Serial null modem


DB25M to DE9F Adapter - Straight Through


USB to RS-232 Adapter - Macintosh or Windows


Blank 5-1/4" Disks, Double Sided/Double Density (DSDD) box of 10 in Free Flip'n'File Case

3M brand, new-old stock 5-1/4" diskettes, box of 10 with free Flip'n'File case. Sealed and unused.

USD$12.95


Blank 5-1/4" Disks, Double Sided/Double Density (DSDD) Box of 10

3M brand, new-old stock 5-1/4" diskettes, box of 10. Sealed and unused.


Blank 5-1/4" diskettes - box of 10
USD$19.95

Blank 5-1/2" Disks, Double Sided/Double Density (DSDD) Pack of 2

3M brand, new-old stock 5-1/4" diskettes, pack of 2. Sealed and unused.


Blank 5-1/4" diskettes - pack of 2
USD$2.95

Blank 3-1/2" Disks, Double Sided/Double Density (DSDD) Box of 10

Universal brand, new-old stock 3-1/2" diskettes, box of 10 - with 11th disk free. Sealed and unused.


Blank 3-1/2" diskettes
USD$12.95


Apple II, Apple III ADTPro Software Diskette

ADTPro is a software program that will transfer entire disk images from Apple II and Apple /// computers to modern computers over one of several communications methods:

  • Serial cables
  • Audio cables
  • Ethernet network (with Apple II Uthernet card)
ADTPro is open source software, and is available free. The price of this item is only for the physical diskette to be created for you. See the
ADTPro web page for complete instructions. You will need to download the server side of the software from there as well.

5-1/4" diskette
USD$7.95


3-1/2" diskette
USD$7.95


Apple ProFile A9M0005 Low Level Formatting Service

Have a diagnostic Low Level Format performed on your ProFile 5MB hard drive, Apple part number A9M0005. Low level formatting re-formats, re-scans and re-tags bad blocks on your ProFile, providing a renewed environment for your data. Low level formatting does not work in all instances; see accompanying work order and agreement for details. USD$49.00 is refunded to you if the low level format is unsuccessful. Contact RetroFloppy to discuss the particulars of your drive and shipment authorization. Shipment of your drive must include a printed and signed work order form.


USD$99.00


Please note: RetroFloppy is on Spring Break this week.
Orders placed now will ship Monday, April 7. Thank you for your patience!


Payments by PayPal
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