Drive Characteristics; Formatted Capacity; Data Sheet; Table 1: Formatted Capacities - Hitachi HTS421212H9AT00 - Travelstar 120 GB Hard Drive Specifications

4.0 Drive characteristics

4.1 Formatted capacity

Table 1: Formatted capacities

Physical Layout
Bytes per sector
Sectors per track
Number of heads
Number of disks
Logical layout
Number of heads
Number of Sec-
tors/track
Number of Cylin-
ders
Number of sec- 234,441,648
tors
Total logical data 120,034,123,776 100,030,242,816 80,026,361,856 60,011,642,880 40,007,761,920
bytes

4.2 Data sheet

Table 2: Data sheet

Rotational Speed [RPM]
Data transfer rates (buffer to/from media) (Mbps)
Data transfer rates ULTRA DMA 100 (Mbyte/sec)
Recording density (Kbit/mm) (Max Typ)
Track density
Areal density
Number of zones
120GB 100GB
512 512
504-1008 456-936
4 4
2 2
16 16
63 63
16,383 16,383
195,371,568
(KBPI) (Max Typ)
(track/mm) (Typ)
(KTPI) (Typ)
(Mbit/sq-mm - Max)
(Gbit/sq-inch - Max)
Travelstar 4K120 Hard Disk Drive Specification
80GB 60GB
512 512
476-966 486-1008
3 2
2 1
16 16
63 63
16,383 16,383
156,301,488 117,210,240
120GB 100GB
4200 4200
376 354
30.9 28.9
775 723
4961 4496
126.0 114.2
153 130
98 83
24 24
11
40GB
512
432-918
2
1
16
63
16,383
78,140,160
80GB 60GB
4200 4200
366 373
30.0 30.9
751 774
4650 4961
118.1 126.0
140 153
89 98
24 24
40GB
4200
344
28.1
688
3799
96.5
107
66
24