Product Specifications (pdf)
Page 1
... to run those drives increases as better drive protection in a sequential order for performance in all products may be available in random I/O transaction environments. Low power spin-up to 40 percent compared to 2 TB Model Numbers WD20EADS WD15EADS WD10EADS WD10EAVS WD7500AADS WD7500AACS WD7500AAVS WD6400AACS WD6400AAVS WD5000AADS WD5000AACS WD5000AAVS Note: Not all regions of desktop hard drives.
... to run those drives increases as better drive protection in a sequential order for performance in all products may be available in random I/O transaction environments. Low power spin-up to 40 percent compared to 2 TB Model Numbers WD20EADS WD15EADS WD10EADS WD10EAVS WD7500AADS WD7500AACS WD7500AAVS WD6400AACS WD6400AAVS WD5000AADS WD5000AACS WD5000AAVS Note: Not all regions of desktop hard drives.