Acer 7730A manual MK2546GSX MK1646GSX MK1246GSX MK8046GSX, WD2500BEVT, WD1200BEVS

Item				Specification
Data transfer rate	300 Mbit/sec		300 Mbit/sec		300 Mbit/sec		300 Mbit/sec
(host~buffer)	Ultra DMA		Ultra DMA		Ultra DMA		Ultra DMA
	mode 6		mode 6		mode 6		mode 6
	DC Power Requirements
Input Voltage	5 V		5 V		5 V		5 V
Item				Specification
Vendor & Model Name	Toshiba		Toshiba		Toshiba		Toshiba
	MK2546GSX		MK1646GSX		MK1246GSX		MK8046GSX
Capacity	250 GB		160 GB		120 GB		80 GB
Bytes per sector	512		512		512		512
Data heads	4		3		2		2
			Drive Format
Disks	2		2		1		1
Spindle speed	5400 RPM		5400 RPM		5400 RPM		5400 RPM
	Performance Specifications
Buffer size	8 MB		8 MB		8 MB		8 MB
Interface	SATA		SATA		SATA		SATA
Max. media transfer	730 Mbits/sec		730 Mbits/sec		730 Mbits/sec		730 Mbits/sec
rate (disk-buffer)
Data transfer rate	300 Mbit/sec		300 Mbit/sec		300 Mbit/sec		300 Mbit/sec
(host~buffer)	Ultra DMA		Ultra DMA		Ultra DMA		Ultra DMA
	mode 6		mode 6		mode 6		mode 6
	DC Power Requirements
Input Voltage	5 V		5 V		5 V		5 V
Item				Specification
Vendor & Model Name	Western Digital			Western Digital		Western Digital
	WD2500BEVT			WD2500BEVS		WD1200BEVS
Capacity	250 GB			250 GB		120 GB
Bytes per sector	512			512		512
Data heads	3			4		2
		Drive Format
Disks	2			2		1
Spindle speed	5400 RPM			5400 RPM		5400 RPM
	Performance Specifications
Buffer size	8 MB			8 MB		8 MB
Interface	SATA			SATA		SATA
Max. media transfer	850 Mbits/sec			850 Mbits/sec		850 Mbits/sec
rate (disk-buffer)
Data transfer rate	3 Gbit/sec			1.5 Gbit/sec		1.5 Gbit/sec
(host~buffer)	Ultra DMA mode 6			Ultra DMA mode 6		Ultra DMA mode 6
	DC Power Requirements
Input Voltage	5 V			5 V		5 V

Chapter 1: System specifications 21