<p><strong>System Disk Overview</strong></p> <p>A system disk integrates storage, control programs, and scheduling programs for an instance using images. Currently, you can create a system disk for a Ping An Cloud ECS instance for free. The value range for a system disk is 20 GB to 200 GB on Linux and Windows instances.</p> <p><strong>System Disk Types and Specifications</strong></p> <table border="1" cellpadding="0" cellspacing="0" style="width:0px"> <tbody> <tr> <td style="vertical-align:top"> <p><strong>Instance type</strong></p> </td> <td style="vertical-align:top"> <p><strong>Instance family</strong></p> </td> <td style="vertical-align:top"> <p><strong>System disk type</strong></p> </td> <td style="vertical-align:top"> <p><strong>CPU type</strong></p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Storage</p> </td> <td style="vertical-align:top"> <p>General g4</p> </td> <td style="vertical-align:top"> <p>Storage</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Broadwell (v4)</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Computing</p> </td> <td style="vertical-align:top"> <p>Computing c5</p> </td> <td style="vertical-align:top"> <p>General</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Skylake</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Computing</p> </td> <td style="vertical-align:top"> <p>Computing c4</p> </td> <td style="vertical-align:top"> <p>General</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Broadwell (v4)</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>General</p> </td> <td style="vertical-align:top"> <p>General g5</p> </td> <td style="vertical-align:top"> <p>General</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Skylake</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>Computing-exclusive</p> </td> <td style="vertical-align:top"> <p>Computing-exclusive c5</p> </td> <td style="vertical-align:top"> <p>Local SAS</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Skylake</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>SSD</p> </td> <td style="vertical-align:top"> <p>SSD s4</p> </td> <td style="vertical-align:top"> <p>SSD</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Broadwell (v4)</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>SSD</p> </td> <td style="vertical-align:top"> <p>SSD s5</p> </td> <td style="vertical-align:top"> <p>SSD</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Skylake&nbsp;</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>GPU</p> </td> <td style="vertical-align:top"> <p>GPU p1</p> </td> <td style="vertical-align:top"> <p>SSD</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Broadwell (v4)</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>GPU</p> </td> <td style="vertical-align:top"> <p>GPU v1</p> </td> <td style="vertical-align:top"> <p>SSD</p> </td> <td style="vertical-align:top"> <p>Intel Xeon Skylake</p> </td> </tr> </tbody> </table>