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22 Chapter 1
Hard Disk Drive Interface (continued)
Hard Disk Drive Interface (continued)
Item Specification
Capacity (MB)
320
Vendor & Model
Name
Seagate HGST Toshiba WD
Bytes per sector 512
Data heads 3 3 2 2
Drive Format
Disks 2 2 1
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size 8 MB
Interface SATA
Max. Media
Transfer Rate
(Mbytes/sec
max.)
300 384 384 384
Max. Data
Transfer Rate
(Mbytes/sec)
150400 112000 108544
DC Power Requirements
Voltage
tolerance
5V ±5%
Item Specification
Capacity (MB)
500
Vendor & Model
Name
Seagate HGST Toshiba WD
Bytes per sector 512
Data heads 2 3 2
Drive Format
Disks 1 2 1
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size 8 MB
Interface SATA
Max. Media
Transfer Rate
(Mbytes/sec
max.)
300 384 384 384
Max. Data
Transfer Rate
(Mbytes/sec)
150400 112000 108544
DC Power Requirements
Voltage
tolerance
5V ±5%