| Desktop | 
WD Blue
| 
WD Green
| 
WD Black
| 
WD VelociRaptor
|
|---|---|---|---|---|
| Summary | Performance and reliability for everyday computing. | Cool, quiet, eco-friendly. | Maximum performance for power computing. | Bigger. Faster. Hungrier. |
| Capacity | 80 GB - 1 TB | 320GB - 3 TB | 500 GB - 2 TB | 150 GB - 600 GB |
| Interface | SATA 6 Gb/s SATA 3 Gb/s PATA 100 MB/s | SATA 6 Gb/s SATA 3 Gb/s | SATA 6 Gb/s SATA 3 Gb/s | SATA 6 Gb/s SATA 3 Gb/s |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch 2.5-inch |
| Cache | 8 MB - 32 MB | 16 MB - 64 MB | 32 MB - 64 MB | 16 MB - 32 MB |
| Limited Warranty | 3-year | 3-year | 5-year | 5-year |
