Acer 4253G manual WD6400BPVT, WD5000BPVT

Hard Disk Drive (AVL components) (Continued)

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

Hardware Specifications and Configurations 1-29