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18 Chapter 1
Hard Disk Drive Interface
Item Specifications
Vendor & Model
Name
Hitachi
HTS545050B9A300
Hitachi
HTS545032B9A300
Hitachi
HTS545025B9A300
Hitachi
HTS545016B9A300
Capacity (MB)
500 320 250 160
Bytes per sector
512
Data heads
4322
Drive Format
Disks
2211
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size
8MB
Interface
SATA
Internal transfer
rate (Mbits/sec,
max)
3GB/s maximum
I/O data transfer
rate
(Mbytes/sec
max)
875 Mbits/s maximum 845 Mbits/s
maximum
DC Power Requirements
Voltage
+5.0V ± 5%.
Item Specifications
Vendor & Model
Name
Seagate
ST9160310AS
Seagate
ST9250315AS
Seagate
ST9320320AS
Seagate
ST9500325AS
Capacity (MB)
160 250 320 500
Bytes per sector
512 512 512 512
Data heads
2244
Drive Format
Disks
1122
Spindle speed
(RPM)
5400 5400 5400 5400
Performance Specifications
Buffer size
8 MB 8 MB 8MB 8 MB
Interface
SATA SATA SATA SATA
Internal transfer
rate (Mbits/sec,
max)
830
1175 830 1175
I/O data transfer
rate
(Mbytes/sec
max)
875 Mbits/s maximum 845 Mbits/s
maximum
DC Power Requirements
Voltage
+5.0V ± 5%.