[转帖][原创]各种硬盘接口的对比
<table style="WIDTH: 314pt; BORDER-COLLAPSE: collapse" border="0" cellspacing="0" cellpadding="0" width="419"><colgroup>
<col style="WIDTH: 98pt; mso-width-source: userset; mso-width-alt: 4192" width="131">
<col style="WIDTH: 54pt" span="4" width="72">
<tbody>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 314pt; HEIGHT: 13.5pt; BORDER-RIGHT: black="black"0.5pt solid" class="xl72" height="18" width="419" colspan="5">SAS与主要竞争技术的对比</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 13.5pt; BORDER-TOP: medium="medium"none" class="xl63" height="18" width="131"> </td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">SATA</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">并行SCSI</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">SAS</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">FC-AL</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="HEIGHT: 13.5pt" class="xl70" height="18" colspan="5">连接能力</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 13.5pt; BORDER-TOP: medium="medium"none" class="xl65" height="18" width="131">寻址（设备数量）</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">1</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">16 </td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">128</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">128(16M)</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 13.5pt; BORDER-TOP: medium="medium"none" class="xl65" height="18" width="131">距离（米）</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">1</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">25</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">10</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl66" width="72">10k</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 13.5pt; BORDER-TOP: medium="medium"none" class="xl65" height="18" width="131">双端口支持</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">否</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">否</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">是</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">是</td></tr>
<tr style="HEIGHT: 22.5pt" height="30">
<td style="WIDTH: 98pt; HEIGHT: 22.5pt; BORDER-TOP: medium="medium"none" class="xl65" height="30" width="131">拓扑结构</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">点对点</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">共享总线</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">点对点/扩展器</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">仲裁环/fabric</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="HEIGHT: 13.5pt" class="xl70" height="18" colspan="5">性能指标</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 40.5pt; BORDER-TOP: medium="medium"none" class="xl65" height="54" rowspan="3" width="131">传输率（MB/s）</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl67" width="72">150</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl67" width="72">320</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl67" width="72">300</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl67" width="72">200</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; HEIGHT: 13.5pt" class="xl68" height="18" width="72">300</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt" class="xl68" width="72">640</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt" class="xl68" width="72">600</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt" class="xl68" width="72">400</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; HEIGHT: 13.5pt" class="xl69" height="18" width="72">600</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt" class="xl69" width="72"> </td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt" class="xl69" width="72">1200</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt" class="xl69" width="72">800</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 13.5pt" class="xl65" height="18" width="131">双工（Duplex）</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">半双工</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">半双工</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">全双工</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">全双工</td></tr>
<tr style="HEIGHT: 13.5pt" height="18">
<td style="WIDTH: 98pt; HEIGHT: 13.5pt; BORDER-TOP: medium="medium"none" class="xl65" height="18" width="131">运行协议</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">ATA</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">SCSI</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">SCSI</td>
<td style="BORDER-LEFT: medium="medium"none; WIDTH: 54pt; BORDER-TOP: medium="medium"none" class="xl64" width="72">SCSI</td></tr></tbody></table> 好好学习，天天向上 <p>好好学习天天向上</p>
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