Acer 4820T manual Hard Disk Drive Interface Specification, Super-Multi Drive Module

Hard Disk Drive Interface

	Item				Specification
	Vendor & Model		Seagate		HGST			Toshiba	Western Digital
	Name
	Capacity (MB)		160, 250, 320,		160, 250,			160, 250,	160, 250, 320,
			500		320, 500			320, 500	500, 640
	Bytes per sector					512
	Data heads					2-4
	Drive Format
	Disks					1-2
	Spindle speed			5400
	(RPM)
	Performance Specifications
	Buffer size				8 MB
	Interface				SATA
	DC Power Requirements
	Voltage		5V ±5%		5V ±5%			5V ±5%	5V ±5%
	tolerance
Super-Multi Drive Module
Item					Specification
Vendor & model		HLDS GT20N					Sony AD7580S
name
Performance		With CD Diskette		With DVD Diskette			With CD Diskette			With DVD Diskette
Specification
Transfer rate (MB/		Sustained:		Sustained:			Sustained:			Sustained:
sec)		3,600 KB/s (24x)		11.08 Mbytes/s			1,571 (typical)			10,993 (typical)
		max.		(8x) max.
Buffer Memory		2 MB
Interface		SATA

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