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Feature-specific requirements
Some of the features available in specific premium editions of Windows Vista require additional hardware. Listed below are the feature-specific requirements that you will need to take into consideration when choosing to run these features.
| Feature | Requirement | Applicable Editions |
| TV Tuning | A TV tuner card and a remote control which complies with the Windows Vista Remote Control Specification are required for TV functionality and an optimal TV viewing experience. 1 GB of system memory is recommended for best Media Center performance. | Windows Vista Home Premium, Windows Vista Ultimate |
| BitLocker Drive Encryption | Requires an integrated Trusted Platform Module (TPM) 1.2 chip or USB 2.0 key | Windows Vista Ultimate, Windows Vista Enterprise |
| Tablet PC Features | These features require a PC which meets the Tablet PC specification that includes an electromagnetic digitizer pen. | Windows Vista Home Premium, Windows Vista Ultimate, Windows Vista Business, Windows Vista Enterprise |
