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Chapter 1 21
Item Specifications
Vendor & Model Name
Toshiba
Capacity 250GB
Bytes per sector 512
Data heads 4/2
Drive Format
Disks 2/1
Spindle speed (RPM) 5400
Performance Specifications
Buffer size 8MB
Interface SATA
Internal transfer rate (Mbits/sec, max) 363 ~ 952 typical
I/O data transfer rate 3Gbits/s
DC Power Requirements
Voltage +5.0V ± 5%.
Item Specifications
Vendor & Model Name
HGST
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
Capacity (MB) 160 320 640
Bytes per sector 512
Data heads 2 3 4
Drive Format
Disks 1 2 2
Spindle speed (RPM) 5400
Performance Specifications
Buffer size 8 MB
Interface SATA