| Product | HDD Maker | Volume | HDD | Interface | F/W | Caution | Discontinued |
|---|---|---|---|---|---|---|---|
| DIR440_DR-2304P_DR-S451R_DR-C5104R | Western Digital | 4TB | WD40PURZ-74AKKY0 4TB 5400RPM / WD40PURZ-85AKKY0 4TB 5400RPM (FW: 80.00B80) | SATA3 | 80.00B80 | - | |
| DIR440_DR-2304P_DR-S451R_DR-C5104R | Western Digital | 3TB | WD30PURZ-74AKKY0 3TB 5400RPM / WD30PURZ-85AKKY0 3TB 5400RPM (FW: 80.00A80) | SATA3 | 80.00A80 | - | |
| DIR440_DR-2304P_DR-S451R_DR-C5104R | Western Digital | 2TB | WD20PURZ-74AKKY0 2TB 5400RPM / WD20PURZ-85AKKY0 2TB 5400RPM (FW: 80.00B80) | SATA3 | 80.00B80 | - | |
| DIR440_DR-2304P_DR-S451R_DR-C5104R | Western Digital | 3TB | WD30PURZ-74AKKY0 3TB 5400RPM / WD30PURZ-85AKKY0 3TB 5400RPM (FW: 80.00B80) | SATA3 | 80.00B80 | - | |
| DIR440_DR-2304P_DR-S451R_DR-C5104R | Western Digital | 4TB | WD40PURZ-74AKKY0 4TB 5400RPM / WD40PURZ-85AKKY0 4TB 5400RPM (FW: 80.00A80) | SATA3 | 80.00A80 | - | |
| DIR840_DR-S851R_DR-C5108R_DR-2308P | Seagate | 1TB | ST1000VX001 | SATA3 | CV12 | Discontinued | |
| DIR840_DR-S851R_DR-C5108R_DR-2308P | Toshiba | 1TB | MARS-C DT01ABA100V 5700RPM | SATA3 | 8A0 | - | |
| DIR840_DR-S851R_DR-C5108R_DR-2308P | Western Digital | 1TB | WD10PURZ-85U8XY0 / PURPLE PR1000M WD10PURX-64E5EY0 64MB 5400RPM | SATA3 | Y0 (01.01A01) | Discontinued | |
| DIR840_DR-S851R_DR-C5108R_DR-2308P | Western Digital | 2TB | WD20PURZ-85GU6Y0 / PURPLE PR1000M WD20PURX-64P6ZY0 64MB 5400RPM | SATA3 | Y0 (80.00A80) | Discontinued | |
| DIR840_DR-S851R_DR-C5108R_DR-2308P | Seagate | 2TB | Seagate Surveillance 2T ST2000VX003 | SATA3 | CV12 | - |
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