Which drive setup is faster? two 5400rpm at Raid 0 or one 7200 drive?

vbx · Jul 4, 2009

Which setup is faster?

thebeephaha · Jul 4, 2009

One 7200.

Latency of the 5400's will kill you.

newtekie1 · Jul 4, 2009

I asked this same question a few weeks back. I think we came to the conclusion that the single 7200RPM drive would have better latencies, but the two 5400RPM drives would have faster transfer rates. In the end, I think a single 7200RPM drive would be better, the speed difference would be hardly noticeable either way you go, but the two 5400RPM drives double your change of failure, which isn't worth next to no performance difference.

vbx · Jul 4, 2009

Alright, thanks!

LittleLizard · Jul 4, 2009

assuming that this is for a laptop, also think in the battery life, reason to go with the single 7200rpm

n-ster · Jul 4, 2009

If this is for a laptop, get one 5400... My 7200 Heats up way more than my 5400 (50 degrees vs 40 on load)

thebeephaha · Jul 4, 2009

I've found not all 7200s get hot, the new Seagates run pretty cool.

Joe Public · Jul 4, 2009

I have some Samsung drives, don't run hot either. They hit about 40-45C with a 30C room temp.

freaksavior · Jul 4, 2009

n-ster said:
If this is for a laptop, get one 5400... My 7200 Heats up way more than my 5400 (50 degrees vs 40 on load)

i replaced the 200gb 5400 in my mbp with a 7200.3 seagae 320, and the battery is the same, performance is a lot better. heat is the same

n-ster · Jul 4, 2009

Sorry for the misinformation then :rolleyes:

just that that was true from my recent experience... guess you have to know which one to buy

newtekie1 · Jul 4, 2009

Most laptops bought today come with drives that are at least one generation old, sometimes even more.

In my experience, pulling a 5400RPM that is a generation or 2 or 3 old and putting in a modern 7200RPM drive, will give similar heat generation and power consumption and way better performance. While replacing it with a modern 5400RPM will actually give less heat generation and power consumption and still give a performance boost.

The interesting thing is that the technology in the drives have progressed so far, that modern 5400RPM drives now outperform 7200RPM drives from a few years ago...So while it might not seem like a good idea, if you have an older laptop with a 7200RPM drive, it might actually be an upgrade in every way to move to a 5400RPM drive.

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Which drive setup is faster? two 5400rpm at Raid 0 or one 7200 drive?

vbx

New Member

thebeephaha

newtekie1

Semi-Retired Folder

vbx

New Member

LittleLizard

n-ster

thebeephaha

Joe Public

freaksavior

To infinity ... and beyond!

n-ster

newtekie1

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