Western Digital Raptor Models Models

| Model_no_ | Gen_ | Released | Capacity | Cache_ | Interface | Feature_set | Sector_Size |
|---|---|---|---|---|---|---|---|
| WD360GD | 1 | 2003 | 36 GB | 8 MB | Parallel ATA to Serial ATA bridge | – | 512 bytes |
| WD740GD | 2 | 2004 | 74 GB | 8 MB | Parallel ATA to Serial ATA bridge | TCQ | 512 s byte |
| WD360ADFD | 3 | 2006 | 36 GB | 16 MB | Native SATA | NCQ | 512 bytes |
| WD740ADFD | 3 | 2006 | 74 GB | 16 MB | Native SATA | NCQ | 512 bytes |
| WD1500ADFD | 3 | 2006 | 150 GB | 16 MB | Native SATA | NCQ | 512 bytes |
| WD1500AHFD | 3 | 2006 | 150 GB | 16 MB | Native SATA | NCQ | 512 bytes |
| WD800HLFS | 4 | 2008 | 80 GB | 16 MB | Native SATA 3 Gbit /s | NCQ | 512 bytes |