Acer ASPIRE 4253 - Hard Disk Drive (AVL Components) (Continued)

Hardware Specifications and Configurations 1-29
Hard Disk Drive (AVL components) (Continued)
Item Specification
Vendor &
Model Name
Hitachi
HTS545040B9A300/H
TS545040B9SA00,
Seagate
ST9400326AS
Hitachi
HTS545050B9A300,
HTS545050B9SA00
Seagate
ST9500325AS,
ST9500325ASG
WD
WD5000BPVT
WD
WD6400BPVT
Capacity (GB) 400 500 640
Bytes per sector 512
Data heads 4 4, 4, 4, 4, 3 4
Drive Format
Disks 2
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size 8MB
Interface SATA
Fast data transfer
rate
(Gbits / sec, max)
3.0, 3.0, 1.175, 1.175 3.0, 3.0, 1.175, 1.175,
3.0
3.0
Media data transfer
rate
(Mbytes/sec max)
875, 875, 300, 300 875, 875, 300, 300, 97 97
DC Power Requirements
Voltage tolerance 5V ±5%