The Iomega 31310 Zip 250 MB USB-powered external drive is a niche, USB 1.1 portable way to access legacy Zip 100/250 disks without needing a separate power adapter. It is best for users reviving older archives or transferring files from existing Zip media, but it is limited by Zip-era capacity and slower transfer speeds.
The Iomega ZIP 750 is an external USB Zip drive designed for compact, portable backup and file transfer using Zip disks (750 MB capacity). It’s a niche option best for people trying to access existing Zip archives or maintaining legacy workflows, with mixed buyer sentiment mainly focused on “it works” rather than modern USB convenience.
The Iomega 100MB External SCSI Zip Drive (Z100S2) is an external 100MB mechanical disk drive built for SCSI setups, with transfer rates typically cited around a few MB/s. It can be a practical choice for legacy workflows that still use Zip-style media, but it is not a plug-and-play option for modern laptops without SCSI support.
The Iomega Zip 750MB USB 2.0 external drive is a legacy USB Zip drive for reading and writing to 750MB (and also older 250MB and 100MB) Zip disks on both PC and Mac. It’s a niche buy for archival or photo-submission workflows that still rely on Zip media, with limited review coverage and a couple of practical setup/compatibility considerations to weigh.