<p>RDS provides multiple instance specifications.</p> <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Instance type</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>CPU (core)</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Memory (GB)</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Maximum connection</strong></p> </td> <td style="background-color:#ededed; vertical-align:top"> <p><strong>Maximum IOPS</strong></p> </td> </tr> <tr> <td rowspan="14" style="vertical-align:top"> <p>General instance</p> </td> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>300</p> </td> <td style="vertical-align:top"> <p>600</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>600</p> </td> <td style="vertical-align:top"> <p>1000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>600</p> </td> <td style="vertical-align:top"> <p>1000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>1200</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>2500</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> <td style="vertical-align:top"> <p>7000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>32</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> <td style="vertical-align:top"> <p>10000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> <td style="vertical-align:top"> <p>8000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>32</p> </td> <td style="vertical-align:top"> <p>8000</p> </td> <td style="vertical-align:top"> <p>12000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>64</p> </td> <td style="vertical-align:top"> <p>10000</p> </td> <td style="vertical-align:top"> <p>20000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>64</p> </td> <td style="vertical-align:top"> <p>16000</p> </td> <td style="vertical-align:top"> <p>14000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>128</p> </td> <td style="vertical-align:top"> <p>20000</p> </td> <td style="vertical-align:top"> <p>40000</p> </td> </tr> <tr> <td rowspan="14" style="vertical-align:top"> <p>Read-only instance</p> </td> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>300</p> </td> <td style="vertical-align:top"> <p>600</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>600</p> </td> <td style="vertical-align:top"> <p>1000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>600</p> </td> <td style="vertical-align:top"> <p>1000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>1200</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>2500</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> <td style="vertical-align:top"> <p>7000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>32</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> <td style="vertical-align:top"> <p>10000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> <td style="vertical-align:top"> <p>8000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>32</p> </td> <td style="vertical-align:top"> <p>8000</p> </td> <td style="vertical-align:top"> <p>12000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>64</p> </td> <td style="vertical-align:top"> <p>10000</p> </td> <td style="vertical-align:top"> <p>20000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>64</p> </td> <td style="vertical-align:top"> <p>16000</p> </td> <td style="vertical-align:top"> <p>14000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>128</p> </td> <td style="vertical-align:top"> <p>20000</p> </td> <td style="vertical-align:top"> <p>40000</p> </td> </tr> <tr> <td rowspan="14" style="vertical-align:top"> <p>DR instance</p> </td> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>300</p> </td> <td style="vertical-align:top"> <p>600</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>600</p> </td> <td style="vertical-align:top"> <p>1000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>1</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>600</p> </td> <td style="vertical-align:top"> <p>1000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>1200</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>2</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>2500</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>2000</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> <td style="vertical-align:top"> <p>7000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>4</p> </td> <td style="vertical-align:top"> <p>32</p> </td> <td style="vertical-align:top"> <p>5000</p> </td> <td style="vertical-align:top"> <p>10000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>4000</p> </td> <td style="vertical-align:top"> <p>8000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>32</p> </td> <td style="vertical-align:top"> <p>8000</p> </td> <td style="vertical-align:top"> <p>12000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>8</p> </td> <td style="vertical-align:top"> <p>64</p> </td> <td style="vertical-align:top"> <p>10000</p> </td> <td style="vertical-align:top"> <p>20000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>64</p> </td> <td style="vertical-align:top"> <p>16000</p> </td> <td style="vertical-align:top"> <p>14000</p> </td> </tr> <tr> <td style="vertical-align:top"> <p>16</p> </td> <td style="vertical-align:top"> <p>128</p> </td> <td style="vertical-align:top"> <p>20000</p> </td> <td style="vertical-align:top"> <p>40000</p> </td> </tr> </tbody> </table>