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Rectangular beige 3.5-inch ZIP drive with front slot and rear IDE connector

Iomega Corp

Iomega Corp Z250ATAPI 250MB ZIP backup drive

SKU CH-XNDH-ZDCCW MPN Z250ATAPI

Internal 3.5" ZIP drive reads and writes 250MB and 100MB disks over IDE/ATAPI with 2.4MB/s sustained transfer

  • Total capacity250 MB
  • Interface typeIDE/ATAPI
  • Rotational speed2,941 RPM
  • Access time29 ms
  • Media format250 MB, 100 MB disks Read/Write
  • Supported operating systemsWindows & Mac OS
  • 250MB and 100MB disks read and write for flexible archiving
  • IDE/ATAPI interface connects directly to legacy motherboards
  • 4 MB/sec sustained transfer rate with 250MB media
  • Active Disk Technology optimises head positioning for reliability
  • Compact 3.5 inch form factor fits standard drive bays

What this drive does

The Iomega Z250ATAPI is a 3.5-inch internal backup drive that reads and writes 250 MB and 100 MB ZIP disks. It connects through an IDE/ATAPI interface and is supported on both Windows and Mac OS. The unit weighs 13.8 oz and measures 6.5" x 4.0" x 1.0".

Who it suits and who it does not

This drive suits users who need to access existing ZIP 250 or ZIP 100 archives on a legacy desktop with an available IDE header. It is not for builders who need gigabytes of capacity, sub-millisecond access times, or a modern high-speed interface. It also cannot serve as a primary system drive.

The specification that decides fit

The IDE/ATAPI interface is the single factor that determines compatibility; the host system must provide a matching 40-pin connector and BIOS support for ATAPI devices. Sustained transfer reaches 2.4 MB/s with 250 MB media and drops to 1.4 MB/s read and 0.25 MB/s write with 100 MB disks.

How it compares

Measured against everything we stock in Backup Hard Drives, at today’s prices. Recalculated every night.

Price $44.99
Cheaper than about 90% of the 74 comparable items (median $336.99).

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Specifications

Product
Brand nameIomega
Model nameZ250ATAPI (31167)
Total capacity250 MB
Performance
Rotational speed2,941 RPM
Ports & slots
Interface typeIDE/ATAPI
Size & build
Product dimensions6.5 in × 4.0 in × 1.0 in
Shipping weight0.45 kg
Package size25 × 25 × 25 mm
Compatibility
Supported operating systemsWindows & Mac OS
More details
Access time29 ms
Media format250 MB, 100 MB disks Read/Write
Product form3.5 in (8.89 cm)

Questions about this item

Do I need a spare IDE/ATAPI header on my motherboard to connect the Z250ATAPI?

Yes — the drive uses an IDE/ATAPI interface, so an available IDE channel and a standard 40-pin cable are required.

Will the Z250ATAPI still read my existing 100MB ZIP disks?

Yes — the drive reads and writes both 250MB and 100MB disks; sustained rates are 1.4MB/sec read and 0.25MB/sec write with 100MB media.

How can I confirm the drive is performing at its rated 2.4MB/sec sustained speed with a 250MB disk?

Run a large sequential file copy in Windows or Mac OS and verify the transfer rate approaches 2.4MB/sec; the burst rate can reach 26.7Mbits/sec.

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