Here are all of the models currently in the database for this manufacturer and drive width. Models are sorted into sections by platter density.

Some tips:

The total capacity of each individual model is shown beside each model number.
A platter-head ratio is shown next to the total capacity tag in brackets. It works very simply: a (3/6) ratio indicates three disks and six read/write heads. Models that "waste" some amount of their actual total capacity in order to fit into certain capacity brackets (such as a 320GB unit based on one 500GB platter and two heads) are marked accordingly as [short-stroked].
Miscellaneous details of possible interest (unusual rotational speeds, strange marketing decisions, and so on) are noted if deemed necessary.
Assume that all models are 9.5mm-thick and 2.5" form-factor except when tagged otherwise.
Hitachi had been producing mobile HDDs for years before the 2003 IBM storage division buyout. Newer and IBM models can be found in the other section.


This section was last updated on 04/18/2019.


2.16GB/platter Section (all drives under here use platters that can hold 2.16GB of data apiece.)

DK228A (4200RPM, 512KB cache, ATA-66 interface, 12.5mm z-height)

DK228A-65 6.48GB (3/6)


DK238A (4200RPM, 512KB cache, ATA-66 interface)

DK238A-32 3.24GB (2/3)
DK238A-43 4.32GB (2/4)



3.3GB/platter Section (all drives under here use platters that can hold 3.3GB of data apiece.)

DK229A (4200RPM, 512KB cache, ATA-66 interface, 12.5mm z-height)

DK229A-10 10GB (3/6)


DK239A (4200RPM, 512KB cache, ATA-66 interface)

DK239A-48 4.87GB (2/3)
DK239A-65 6.49GB (2/4)



6GB/platter Section (all drives under here use platters that can hold 6GB of data apiece.)

DK23AA (4200RPM, 512KB cache, ATA-66 interface)

DK23AA-51 5.1GB (1/2 [short-stroked])
DK23AA-60 6GB (1/2)
DK23AA-90 9GB (2/3)
DK23AA-10 10GB (2/4 [short-stroked])
DK23AA-12 12GB (2/4)



10GB/platter Section (all drives under here use platters that can hold 10GB of data apiece.)

DK23BA (4200RPM, 512KB cache, ATA-66 interface)

DK23BA-50 5GB (1/1)
DK23BA-60 6GB (1/2 [short-stroked])
DK23BA-10 10GB (1/2)
DK23BA-10E 10GB (1/2)
DK23BA-15 15GB (2MB cache) (2/3)
DK23BA-20 20GB (2MB cache) (2/4)
DK23BA-20E 20GB (2MB cache) (2/4)
Note: Not sure what the "E" suffix denotes. My own -20E doesn't sound or behave noticeably differently from my -15, aside from being 5GB bigger.



15-16GB/platter Section (all drives under here use platters that can hold 15-16GB of data apiece.)

DK23CA (4200RPM, 512KB cache, ATA-100 interface)

DK23CA-10 10GB (1/2 [short-stroked])
DK23CA-15 15GB (1/2)
DK23CA-20 20GB (2MB cache) (2/3 [short-stroked])
DK23CA-20F 20GB (2MB cache) (2/3 [short-stroked])
DK23CA-30 30GB (2MB cache) (2/4)
DK23CA-30F 30GB (2MB cache) (2/4)
Note: Models with "F" suffix use FDBs instead of ball bearings.


DK23DA (4200RPM, 2MB cache, ATA-100 interface)

DK23DA-16N 16GB (1/2)
Note: These appear to be "industrial" or "vehicle"-type rugged HDDs. Toshiba had a similar counterpart, the MK1620GAP. Both have an unusual 16GB capacity, and it's unclear whether short-stroking is involved or if the platters actually are 16GB in capacity.



20GB/platter Section (all drives under here use platters that can hold 20GB of data apiece.)

DK23DA (4200RPM, 2MB cache, ATA-100 interface)

DK23DA-10F 10GB (1/1)
DK23DA-20F 20GB (1/2)
DK23DA-30F 30GB (2/3)
DK23DA-40F 40GB (2/4)
Note: Models with "F" suffix use FDBs instead of ball bearings.


DK23EB (5400RPM, 2MB cache, ATA-100 interface)

DK23EB-20 20GB (1/2)
DK23EB-40 40GB (2/4)


DK23FB (5400RPM, 8MB cache, ATA-100 interface)

DK23FB-20 20GB (1/2)


DK23FA-xx(N)(J) / Endurastar N4K20/J4K20 (4172RPM, 8MB cache, ATA-100 interface, for industrial/vehicle)

DK23FA-20N / HTA422020F9ATN0 20GB (1/2)
DK23FA-20J / HTA422020F9ATJ0 20GB (1/2)
Note: The "J" model is rated for -20 to 85C operating temperature, while the "N" is rated for 0 to 60C.


Endurastar N4K30/J4K30 (4172RPM, 8MB cache, ATA-100 interface, for industrial/vehicle)

HEN423020F9AT00 30GB (1/2)
HEJ423020F9AT00 30GB (1/2)
Note: The "J" model is rated for -20 to 85C operating temperature, while the "N" is rated for 0 to 60C.


DK1xFA / Travelstar C4K40 (4200RPM, 2MB cache, ATA-100 interface, 1.8" form-factor)

DK14FA-20 / HTC424020F7AT00 20GB (1/2)
DK13FA-40 / HTC424040F9AT00 40GB (2/4)


Travelstar C4K60 (4200RPM, 2MB cache, ATA-100 interface, 1.8" form-factor)

HTC426020G7AT00 20GB (1/2)
HTC426040G9AT00 40GB (2/4)


Travelstar C4K60 (4200RPM, 2MB cache, ZIF ATA-100 interface, 1.8" form-factor)

HTC426020G7CE10 20GB (1/2)


Travelstar C4K60 Slim (4200RPM, 2MB cache, ZIF ATA-100 interface, 1.8" form-factor)

HTC426020G5CE00 20GB (1/2)
HTC426040G8CE00 40GB (2/4)



30GB/platter Section (all drives under here use platters that can hold 30GB of data apiece.)

DK23EA (4200RPM, 2MB cache, ATA-100 interface)

DK23EA-20 20GB (1/2 [short-stroked])
DK23EA-30 30GB (1/2)
DK23EA-40 40GB (2/3 [short-stroked])
DK23EA-60 60GB (2/4)


DK23FB (5400RPM, 8MB cache, ATA-100 interface)

DK23FB-40 40GB (2/3 [short-stroked])
DK23FB-60 60GB (2/4)


Endurastar N4K30/J4K30 (4172RPM, 8MB cache, ATA-100 interface, for industrial/vehicle)

HEN423030F9AT00 30GB (1/2)
HEJ423030F9AT00 30GB (1/2)
Note: The "J" model is rated for -20 to 85C operating temperature, while the "N" is rated for 0 to 60C.


Travelstar C4K60 (4200RPM, 2MB cache, ATA-100 interface, 1.8" form-factor)

HTC426030G7AT00 30GB (1/2)
HTC426060G9AT00 60GB (2/4)


Travelstar C4K60 (4200RPM, 2MB cache, ZIF ATA-100 interface, 1.8" form-factor)

HTC426030G7CE00 30GB (1/2)


Travelstar C4K60 Slim (4200RPM, 2MB cache, ZIF ATA-100 interface, 1.8" form-factor)

HTC426030G5CE00 30GB (1/2)
HTC426060G8CE00 60GB (2/4)


Travelstar C3K80 (3600RPM, 128KB cache, ZIF ATA-33 interface, 1.8" form-factor)

HTC368030H5CE00 30GB (1/2)
HTC368060H8CE00 60GB (2/4)



40GB/platter Section (all drives under here use platters that can hold 40GB of data apiece.)

DK23FA / Travelstar 4K80 (4200RPM, 2MB cache, ATA-100 interface)

DK23FA-30 / HTS428030F9AT00 30GB (1/2 [short-stroked])
DK23FA-40 / HTS428040F9AT00 40GB (1/2)
DK23FA-60 / HTS428060F9AT00 60GB (8MB cache) (2/3)
DK23FA-80 / HTS428080F9AT00 80GB (8MB cache) (2/4)
Note: Rebranded to Travelstars as a consequence of the IBM Storage buyout, and sold alongside the otherwise equivalent IBM-designed Travelstar 80GNs. A few Endurastar and 1.8" models (all listed in this section) continued to be developed by the "DK* team" for several years after.


Travelstar C3K80 (3600RPM, 128KB cache, ZIF ATA-33 interface, 1.8" form-factor)

HTC368040H5CE00 40GB (1/2)
HTC368080H8CE00 80GB (2/4)

Posted by RML527 at 3:00 PM
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