I've been running my computer with a single HD (Seagate Barracuda 120GB ATA100) for a while now. I decided to grab a new Seagate 160GB Serial ATA HD the other day on sale. I like the idea of using two HDs - one for system files (OS and programs) and the other for data files. I had originally planned on using the new 160GB drive for data files (movies, mp3s, documents, etc) but once I got it and realized it is a serial ATA drive my thoughts have changed to - should I use the serial ATA drive for OS and programs and my existing ATA100 drive for data? What do you guys think? Also, is there any issue using a serial ATA drive and a standard IDE ATA100 drive on the same motherboard? See my sig for my system's specs...
Newer drives have slightly better performance than older drives, you probably wouldn't notice. I'd avoid complications and add the drive as an empty drive, mount it in windows, and have it for storage.
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