i have few macs running tiger , leopard , not have hard drive
filled more 20gb of capacity. looking external
hard drive solutions. have found couple of drives
have fw 400 , usb 2.0, 1 in particular older model g-drive 500gb $50 supposed quite reliable. these drives being blown out due newer ones have esata , fw 800. see difference in speed cloning or backing a fw 400 drive if newer mac has fw 800 ports , use 400-800 adaptor? better drives faster 7200 rm vs slower 5400 drives, portable have been looking at. have been reading posts applications such mine not see difference. part use computers office related tasks including word, excel etc not else, although have different utility programs. want bootable drive should hard drive fail. use carbon copy cloner clone drives. main comp has 2 drives primary cloned secondary, want external can plug new mac , clone hard drive in mac external drive!!! feedback appreciated. thanks.
first, in case weren't clear on this, fw400 run @ same speed whether connected fw400 or fw800 port.
second, modern hard drives fw800 transfer data faster fw400--you see pretty close twice speed drives.
third, fw400 5400rpm vs. 7200rpm make no difference. latency hair higher, it's going make negligible difference. fw800 difference won't dramatic in lot of cases.
finally, you've heard correct--while fw800 faster, backup drive shouldn't make slightest bit of difference. yes, backup or clone might take longer, since it's not you're actively waiting (or shouldn't be, otherwise you're doing wrong) doesn't matter--start clone, ignore or walk away , come later when it's finished. heck, if you're using computer while backing might more responsive fw400, since internal drive reading less data keep external drive, leaving more overhead work with.
answer: if it's backup, fw400 (or, heck, usb2 only), it'll fine.
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