Drives (HDD, SSD, Network-attached storage)
| Model | Average cost, USD ($) | Popularity | |
 | Western Digital WD Scorpio Blue 320 GB (WD3200BEVT) HDD 2.5", 320Gb, for notebook (laptop) | 112 | 0.6/10 |
 | Western Digital WD AV-GP 3 TB (WD30EURX) HDD 3.5", 3Tb, for server | 198 | 0.6/10 |
 | Western Digital WD RE4 500 GB (WD5003ABYX) HDD 3.5", 500Gb, for server | 64 | 0.6/10 |
 | Western Digital Desktop Performance 2 TB (WDBSLA0020HNC) HDD 3.5", 2Tb, for PC | 324 | 0.6/10 |
 | Western Digital WD NAS 4 TB (WDBMMA0040HNC) HDD 3.5", 4Tb, for server | 375 | 0.6/10 |
 | Western Digital WD Surveillance Storage 2 TB (WDBGKN0020HNC) HDD 3.5", 2Tb, for server | 265 | 0.6/10 |
 | Western Digital WD Scorpio Black 500 GB (WD5000BEKT) HDD 2.5", 500Gb, for notebook (laptop) | 34 | 0.6/10 |
 | Western Digital Desktop Performance 4 TB (WDBSLA0040HNC) HDD 3.5", 4Tb, for PC | 328 | 0.6/10 |
 | Western Digital WD Caviar Green 1 TB (WD10EADS) HDD 3.5", 1Tb, for PC | 151 | 0.6/10 |
 | Western Digital WD VelociRaptor 1 TB (WD1000DHTZ) HDD 3.5", 1Tb, for server | 274 | 0.6/10 |