Acer Aspire 4738Z - Page 31

Chapter 1 21
Hard Disk Drive Interface (continued)
Hard Disk Drive Interface (continued)
Item Specification
Capacity (GB)
320 500
Vendor &
Model Name
Seagate ST9320310AS
HGST HTS545032B9A300
Toshiba MK3265GSX
WD WD3200BPVT-22ZEST0
Seagate ST9500325AS
HGST HTS545050B9A300
Toshiba MK5065GSX
WD WD5000BEVT-22A0RT0
Bytes per
sector
512
Data heads
322 4 2
Drive Format
Disks
22 1 1221
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size
8 MB
Interface
SATA
Max. Media
Transfer Rate
(Mbytes/sec
max.)
300 300 384 300 300 300 384 300
Max. Data
Transfer Rate
(Mbytes/sec)
1175 112000 1273 108544 1175 112000 1031 108544
DC Power Requirements
Voltage
tolerance
5V ±5%
Item Specification
Capacity (GB)
640 750
Vendor & Model Name
Toshiba MK6465GSX
Western Digital
WD6400BEVT-22A0RT0
Western Digital
WD7500BPVT-22HXZT1
Bytes per sector
512
Data heads
4
Drive Format
Disks
2
Spindle speed (RPM)
5400
Performance Specifications
Buffer size
8 MB
Interface
SATA
Max. Media Transfer Rate
(Mbytes/sec max.)
300
Max. Data Transfer Rate (buffer
to/from media)
(Mbytes/sec)
1273, 108544 108544
DC Power Requirements
Voltage tolerance
5V ±5%