ssd sata

硬盘转速--内部数据传输率

7200 rpm --

接口类型--外部数据传输率

SATA 3.0Gbps -- 300MB/s

内部数据传输率: 是磁头到硬盘的高速缓存之间的数据传输速度,一般取决于硬盘的盘片转速和盘片数据线密度,是影响硬盘整体性能的关键

外部数据传输率: 指从硬盘缓冲区读取数据的速率

[root@upgirl upgirl]# smartctl -a /dev/sda

smartctl 5.42 2011-10-20 r3458 [x86_64-linux-3.8.4-102.fc17.x86_64] (local build)

Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===

Model Family:     Western Digital Scorpio Blue Serial ATA

Device Model:     WDC WD3200BEVT-08A23T1

Serial Number:    WD-WXK1A8038276

LU WWN Device Id: 5 0014ee 25a54de16

Firmware Version: 02.01A02

User Capacity:    320,072,933,376 bytes [320 GB]

Sector Size:      512 bytes logical/physical

Device is:        In smartctl database [for details use: -P show]

ATA Version is:   8

ATA Standard is:  Exact ATA specification draft version not indicated

Local Time is:    Sat May 11 13:12:14 2013 CST

SMART support is: Available - device has SMART capability.

SMART support is: Enabled

WD3200BEVT

WD指的是西部数据

3200指的是320.0

B代表2.5英寸

E指移动系列

V移动系列中的8M缓存和5400转

T代表SATA 3GB/s