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20 Chapter 1
Hard Disk Drive Interface
Hard Disk Drive Interface (continued)
Item Specification
Capacity (GB)
160 250
Vendor &
Model Name
Seagate ST9160314AS
HGST HTS545016B9A300
Toshiba MK1665GSX
WD WD1600BEVT-22A23T0
Seagate ST9250315AS
HGST HTS545025B9A300
Toshiba MK2565GSX
WD WD2500BEVT
Bytes per
sector
512
Data heads
21 232
Drive Format
Disks
11 121
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size
8 MB
Interface
SATA
Max. Media
Transfer Rate
(Mbytes/sec
max.)
300 300 300 300 300 384 300
Max. Data
Transfer Rate
(Mbytes/sec)
1175 875 10854
4
1175 875 1031 1085
44
DC Power Requirements
Voltage
tolerance
5V ±5%
Item Specification
Capacity (GB)
320 500
Vendor &
Model Name
Seagate ST9320310AS
HGST HTS545032B9A300
Toshiba MK3265GSX
WD WD3200BPVT-22ZEST0
Seagate ST9500325AS
HGST HTS545050B9A300
Toshiba MK5065GSX
WD WD5000BEVT-22A0RT0
Bytes per
sector
512
Data heads
322 4 2
Drive Format
Disks
22 1 1 221
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size
8 MB
Interface
SATA
Max. Media
Transfer Rate
(Mbytes/sec
max.)
300 300 384 300 300 300 384 300
Max. Data
Transfer Rate
(Mbytes/sec)
1175 11200
0
1273 10854
4
1175 112000 1031 1085
44