This table shows the storage capacity for DVRs
4 Channel
| DVR | Number of HDDs | Max HDD size | Max storage space |
| SRD-440 | 1 | 500GB | 500GB |
| SRD-442/443/470/473/476 | 1 | 6TB | 6TB |
| HRD-440 | 1 | 6TB | 6TB |
| HRD-442 | 2 | 6TB | 12TB |
8 Channel
| DVR | Number of HDDs | Max HDD size | Max storage space |
| SRD-840/842/852 | 1 | 6TB | 6TB |
| SRD-873/894 | 4 | 6TB | 24TB |
| HRD-840 | 1 | 6TB | 6TB |
| HRD-842 | 4 | 8TB | 32TB |
16 Channel
| DVR | Number of HDDs | Max HDD size | Max storage space |
| SRD-1630 | 6 | 6TB | 36TB |
| SRD-1630D | 5 | 6TB | 30TB |
| SRD-1640 | 1 | 6TB | 6TB |
| SRD-1652D/1653D | 4 | 6TB | 24TB |
| SRD-1670 | 5 | 6TB | 30TB |
| SRD-1673D/1676D | 4 | 6TB | 24TB |
| SRD-1694 | 8 | 6TB | 48TB |
| HRD-1641 | 2 | 6TB | 12TB |
| HRD-1642 | 8 | 8TB | 64TB |