Acer 4240 - page 28

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%.