This Does Not Compute | Double your retro Mac's hard drive space with this one weird card... @ThisDoesNotCompute | Uploaded January 2023 | Updated October 2024, 1 day ago.
In the 80s and early 90s, hard drive space was a precious commodity. But keeping important files on floppies or other removable media carried its own risks. One company promised to double the amount of space your Mac's drive could hold just by installing an expansion card...but did it work?

Sources:
Seagate ST-225 photo: commons.wikimedia.org/wiki/File:Seagate_ST-225.jpg
"Bobker's Dozen," MacUser, July 1990.
"Stac To Use QIC's Data Compression Algorithm," InfoWorld, January 22, 1990.
"IBM, Stac sign data compression deal," Computerworld, April 18, 1994.
"Pipeline," InfoWorld, August 19, 1991.
"SuperDisk offers easy compression of Mac files," InfoWorld, August 5, 1991.
"Datran Add-In Doubles Hard Disk's Capacity," InfoWorld, August 8, 1988.
Datran DiskDoubler box photo: wiki.preterhuman.net/Datran_DiskDoubler_dd2000#/media/File:Datran1.jpg
"Stacker Coprocessor Offers Real-Time File COmpression/Decompression Without Sacrificing DOS Compatibility," PC Magazine, March 12, 1991.
Symantec headquarters photo: commons.wikimedia.org/wiki/File:Symantec_Headquarters_Mountain_View.jpg

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