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22 Chapter 1
Hard Disk Drive Interface (cont)
Item Specifications
Vendor & Model
Name
HTS545050
B9A300
HTS545032
B9A300
HTS545025
B9A300
HTS543216
L9A300
Capacity (MB) 500 320 250 160
Bytes per sector 512
Data heads 4 3 2 2
Drive Format
Disks 2 2 1 1
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size 8MB
Interface SATA
Internal transfer
rate
875 MB/s 845 MB/s
I/O data transfer
rate
3 GB/s
DC Power Requirements
Voltage +5.0V ± 5%
Item Specifications
Vendor & Model
Name
WD
WD1600BEVT
WD
WD2500BEVT
WD
WD3200BEVT
WD
WD5000BEVT
Capacity (MB) 160 250 320 500
Bytes per sector 512
Data heads 2 2 3 4
Drive Format
Disks 1 1 2 2
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size 8 MB
Interface SATA
Internal transfer
rate (Mbits/sec,
max)
106 MB max.
I/O data transfer
rate
3 GB/s
DC Power Requirements
Voltage +5.0V ± 5%