Home > APEX > Storage > White Papers > Introduction to Apex File Storage for Azure > Appendix C: recommended data disk configuration details for optimal performance
This section outlines the recommended details for configuring data disks for optimal performance, including the type and count of data disks for each node in the cluster.
Table 14. The recommended details for Premium SSD data disks
VM sizes/Node types | Data disk size | Recommended data disk count per node |
| P20 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P20 | 12, 15, 18, 20, 24, 25, 30 |
| P20 | 15, 18, 20, 24, 25, 30 |
| P20 | 18, 20, 24, 25, 30 |
| P20 | 30 |
| P30 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P30 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P30 | 12, 15, 18, 20, 24, 25, 30 |
| P30 | 12, 15, 18, 20, 24, 25, 30 |
| P30 | 20, 24, 25, 30 |
| P40 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 18, 20, 24, 25, 30 |
| P50 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 6, 10, 12, 15, 18, 20 |
Table 15. The recommended details for Standard SSD data disks
VM sizes/Node types | Data disk Size | Recommended data disk count per node |
| E20 | 18, 20, 24, 25, 30 |
| E20 | 30 |
| E20 | 30 |
| E20 | 30 |
| E20 | 30 |
| E30 | 18, 20, 24, 25, 30 |
| E30 | 30 |
| E30 | 30 |
| E30 | 30 |
| E30 | 30 |
| E40 | 18, 20, 24, 25, 30 |
| E40 | 30 |
| E40 | 30 |
| E40 | 30 |
| E40 | 30 |
| E50 | 18, 20, 24, 25, 30 |
| E50 | 30 |
| E50 | 30 |
| E50 | 30 |
| E50 | 30 |
| E60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 10, 12, 15, 18, 20 |
Table 16. The recommended details for Standard HDD data disks
VM sizes/Node types | Data disk Size | Recommended data disk count per node |
| S40 | 18, 20, 24, 25, 30 |
| S40 | 30 |
| S40 | 30 |
| S40 | 30 |
| S40 | 30 |
| S50 | 18, 20, 24, 25, 30 |
| S50 | 30 |
| S50 | 30 |
| S50 | 30 |
| S50 | 30 |
| S60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 15, 18, 20, 24, 25, 30 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 10, 12, 15, 18, 20 |