@Steve D
It would depend on the format of your video files.
The only 5400RPM drives I've used for video editing are from the USB3 and Firewire800 external drives. But I only worked on 720P 25FPS and 1080P 24FPS, and the hard drives are able to handle them well enough.
Ideally, a 7200RPM hard drive is recommended, and a SSD for the 1080P videos.
Here are my rough disk speed tests you can use for reference:
@Steve D
It would depend on the format of your video files.
The only 5400RPM drives I've used for video editing are from the USB3 and Firewire800 external drives. But I only worked on 720P 25FPS and 1080P 24FPS, and the hard drives are able to handle them well enough.
Ideally, a 7200RPM hard drive is recommended, and a SSD for the 1080P videos.
Here are my rough disk speed tests you can use for reference: