Hitachi HTC424040F9AT00: Difference between revisions

From Computing Classics Wiki
Remove data that pertains to the 20 GB version, which should get its own article at Hitachi HTC424020F9AT00
 
Line 6: Line 6:
|z-height = 7/9.5mm
|z-height = 7/9.5mm
|speed = 4200
|speed = 4200
|capacity = 20/40
|capacity = 40
|capacity_unit = gb
|capacity_unit = gb
|cache = Unknown
|cache = Unknown
Line 21: Line 21:
|gpl = No
|gpl = No
|statistics = Unknown
|statistics = Unknown
|platters = 1/2
|platters = 2
|heads = 2/4
|heads = 4
|capacity_per_platter = 20
|capacity_per_platter = 20
|capacity_per_platter_unit = gb
|capacity_per_platter_unit = gb

Latest revision as of 15:32, 9 December 2024

The Hitachi C4K40 series (HTC424020F7AT00 - 20GB, 7mm, HTC424040F9AT00 - 40GB, 9.5mm) is a series of 1.8 inch hard drive created by Hitachi shortly after merging with IBM's storage division creating HGST. They carry both the older style Hitachi model number (DK14FA-20, DK13FA-40) and the newer style model number. The HTC424020F7AT00 is one of the first 7mm hard drives in the industry, long before Hitachi released a 2.5" 7mm drive.


Technichal specifications:[edit | edit source]

Travelstar C4K40

20/40 GB capacity

70mm(wide) x 60mm(depth) footprint

1-platter — 7mm height, 47 grams weight

2-platter — 9.5mm height, 62 grams weight

4,200 rpm

67 gigabits per square inch

1/2 glass disk platter(s)

2/4 GMR recording heads

300G/2ms operating shock

1 ,000-1 ,200G/l ms non-operating shock

1.8-2 Bels acoustic noise at idle

ATA-5 (ATA 100) 44 pin compatible

29.9 MB/s data transfer rate

7.1 ms latency time

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