青出于蓝

 

来源： cnBeta.COM   时间：2008-8-19

数据连接标准SATA又有了新版本，SATA-IO组织正式宣布了SATA Revision 3.0这一标准将在今年年底全部完成。
    SATA 3.0标准比现有的SATA II接口速度快一倍，达到6Gbps，并且在处理数据流时更得心应手，并拥有更好的电源管理能力。

    目前已经获知，SATA 3.0的接口和线缆完全向下兼容。

SATA-IO Specifications & Naming Conventions
Specification Revision	Technology Generation	Data Transfer Rate	Interface Name
SATA Revision 3.x (Not 'SATA III')	Third generation not 'Gen 3'	Up to 6Gb/s	SATA 6Gb/s + [product name]
SATA Revision 2.x (Not 'SATA II')	Second generation not 'Gen 2'	Up to 3Gb/s	SATA 3Gb/s + [product name]
SATA Revision 1.x (Not 'SATA 1')	First generation not 'Gen 1'	Up to 1.5Gb/s	SATA 1.5Gb/s + [product name]
Important: Do not use the incorrect terms 'SATA II' or 'SATA III' The references embedded within the SATA specifications to 'Gen 3', 'Gen 2', or 'Gen 1' are technical spec naming conventions only and should not be used for marketing and product naming purposes.
Mechanisms/Devices	Terms to Avoid	Interface Speed Options	Additional Capabilities
Cable Connections Disk Drives Host Devices Port Multiplier Devices Port Selector Devices	Gen 3 SATA III SATA 3.0	1.5Gb/s, 3Gb/s, 6Gb/s (Note: SATA 6Gb/s is backward compatible with SATA 3Gb/s, and SATA 3Gb/s is backward compatible with SATA 1.5Gb/s)	Asynchronous Notification ClickConnect eSATA HotPlug Link Power Management Native Command Queuing (NCQ) Staggered Spin-Up xSATA
Results in the following examples of product marketing names...
Device name +		SATA Speed +	Additional Capabilities
ACME Disk Drive		SATA 6Gb/s or SATA 3Gb/s	NCQ, Hot Plug, Staggered Spin-Up
ACME Port Multiplier		SATA 6Gb/s or SATA 3Gb/s	NCQ, Staggered Spin-Up
ACME Port Selector		SATA 1.5 Gb/s	eSATA, NCQ
ACME Cable		Up to 6Gb/s	std, eSATA, xSATA
ACME Connectors		Up to 6Gb/s	std, eSATA, xSATA
Important: Do not use the incorrect terms 'SATA II' or 'SATA III' The references embedded within the SATA specifications to 'Gen 3', 'Gen 2', or 'Gen 1' are technical spec naming conventions only and should not be used for marketing and product naming purposes.