&lt;ul&gt;  &lt;li&gt;  4pin PWM and 3pin fans compatible&lt;/li&gt;  &lt;li&gt;  Black sleeve&lt;/li&gt;  &lt;li&gt;  Lenght: 30cm&lt;/li&gt;  &lt;/ul&gt;  &lt;div&gt;  &amp;nbsp;&lt;/div&gt;  &lt;p&gt;  PWM fan extension cable. 4pin connectors compatible with PWM and 3pin fans. 30cm black sleeve smart look cable for compatibility with tall chassis and better cable routing.&lt;/p&gt;