Travelstar

Travelstar is a brand of 2.5-inch hard disk drives (HDD) currently manufactured by Western Digital. The brand was originally introduced by IBM in 1994 with the announcement of the Travelstar LP, a 2.5-inch 300MB 12.5 mm high HDD.[1] IBM began shipping 2.5-inch HDDs in 1990 without this branding.[2]

A Hitachi Travelstar 80GN 60GB hard drive (front and back)

The brand was adopted and renamed to "HGST Travelstar" by HGST after it acquired IBM's HDD business in 2003 and continued for a while after HGST was acquired by Western Digital but the HGST prefix is now defunct.

These drives are typically used with laptop computers and small form factor desktop computers. Models are manufactured with capacities ranging from 250 GB to 1 TB, with rotational speeds of 5400 RPM or 7200 RPM and in 7mm or 9.5mm z-heights. All Travelstar drives currently use the SATA interface.

Older models were offered with the PATA interface and some in a 1.8" form factor; such models are no longer manufactured.

Models

Current models
Z7K500 Sizes: 250GB, 320GB, 500GB
Format: 2.5", 7mm
Spec:32MB, 7200RPM, Write:123MB/s Read:123MB/s
7K1000 Sizes: 750GB, 1TB
Format: 2.5", 9.5mm
Spec:32MB, 7200RPM,Write:122MB/s Read:123MB/s
Z5K1000 Sizes: 750GB, 1TB
Format: 2.5", 7mm
Spec:32MB, 5400RPM
Z5K500 Sizes: 250GB, 320GB, 500GB
Format: 2.5", 7mm
Spec:8MB, 5400RPM
Z5K500.B Sizes: 500GB
Format: 2.5", 7mm
Spec:16MB, 5400RPM
5K1000 Sizes: 640GB, 750GB, 1TB
Format: 2.5", 9.5mm
Spec:8MB, 5400RPM

References
  1. "IBM Announces Pace-Setting Disk Drives for OEM PCs, Workstations, Servers," IBM Corp., October 11, 1994
  2. 1991 Disk/Trend Report- Rigid Disk Drives, Disk/Trend Inc., p. RSPEC-69


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