Difference between Seagate ST3500630Ns + ST500DM002?

iAmAdrian · Feb 9, 2014

I've fried my old 500GB HDD which was the latter and replaced it with the former.

My newly replaced HDD is VERY LOUD when reading and by loud I mean it vibrates my whole CPU case, which gives the most annoying sound ever.

Is this normal? Do they have the same price or was I ripped off by the seller?
Does this have a long term effect that could possibly damage my other components?

Thanks,
Adrian

jimmysmitty · Feb 9, 2014

Most HDDs will have some sort of vibration and sound, after all they spin at 7200RPM. But it sounds like the drives is not mounted securely as I have 2 2TB Seagates and I only hear them when there is a LOT of activity.

iAmAdrian · Feb 9, 2014

It's mounted with 2 screws only on one side. And it's basically "hanging" on the other.

The upper bay is like a cage type which supports both sides of the HDD but I'm not sure it will fit.

Does the ST3500630Ns a tad bigger than the other? I haven't faced this kind of issue before.

Everytime I just browse something, it makes a loud vibrating noise. Also there are no rubber grommets on the screws.

iAmAdrian · Feb 10, 2014

Okay I mounted it on the bottom of the case. And it goes screws > case > rubber bands > HDD

I'm concerned about possible rubber bands melting under HDD heat. Is that not advisable?

It's making significantly low noise than when it was "hanging".

By the way the type of rubber bands I'm using are regular ones, those brown-colored generic/cheap ones.

jimmysmitty · Feb 10, 2014

It should fit. You need to have both sides screwed in so it holds it and the vibration gets absorbed by the case. Right now it is just spinning and causing it to vibrate the case even more than it normally would.

And my worry about the rubber bands is they will get old and eventually break from getting warm/cold.

iAmAdrian · Feb 10, 2014

My thoughts are, the rubber bands will stick to the HDD itself and could possibly ruin it? Currently, HardDisk sentinel says my HDD is running at around 44 deg. Which is possibly enough heat to melt rubber when in contact for long periods?

jimmysmitty · Feb 12, 2014

44c is not enough to melt them but they will wear out due to the heat then when you turn it off they will cool and eventually will break from becoming brittle. No idea of when as it could be sooner or later depending on many factors.

iAmAdrian · Feb 13, 2014

Okay I've tested it, copied huge files from one partition to another the ST3500630Ns is really slow compared to the ST500DM002.
And it's really loud. By the way, I removed it from the bottom of the case, also removed the rubber bands and placed it on the top bay which is somewhat cage-like, at first I thought it won't fit but turns out I just needed to wiggle it a bit.

So now it is mounted with screws on each side, it's still noticeably loud though.

Should I just live with it? I'm planning to have it traded with a 2nd hand WD blue 1TB + a little cash.

fzabkar · Feb 13, 2014

The ST500DM002 is a Desktop Mainstream model with a single 500GB platter.

The ST3500630NS is an enterprise model with 3 platters. It is older than the ST500DM002 by several generations.

iAmAdrian · Feb 14, 2014

So, really the answer is, what I got from RMA is an older model? What the hell.

Aren't they supposed to give me a same or newer model?

Also what are the differences between platters? The lesser the better?

fzabkar · Feb 14, 2014

All other things being equal, a 3-platter (6 heads) drive will have a sustained data transfer rate that is only 58% that of a single platter (2 heads) drive.

sqrt(1 / 3) = 0.577

The ST3500630NS model would be of the same generation as a 7200.10. The ST500DM002 is probably a 7200.12.

I doubt that Seagate would supply a 7200.10 as a replacement for a 7200.12. Instead I'd be blaming the reseller.

iAmAdrian · Feb 14, 2014

Thank you. Now I'm going to rage to my reseller.

iAmAdrian · Feb 15, 2014

I'd like to have a follow up question, if what I got is the older gen does this mean it reads slow?

Does this affect my gaming? Like in battlefield 3 at very low settings, the dialogue is choppy.

fzabkar · Feb 15, 2014

Sorry, I'm not a gamer.

iAmAdrian · Feb 15, 2014

Okay but applications-wise. Opening browsers and stuffs. Does this HDD read slow?

fzabkar · Feb 15, 2014

"Slow" is a relative term. For me it would be plenty fast, but I'm an old guy who cut his teeth on 10MB drives in the 1980s.

iAmAdrian · Feb 16, 2014

Okay because I'm stuck on windows logo for about 18-25 seconds when logging in. Usually with my other rig it's just 5-10 seconds then I'm in.

fzabkar · Feb 16, 2014

I would run a HD Tune read benchmark against the drive. Look for a smooth, monotonically decreasing curve, without any large dips, and an access time graph without a large amount of scatter in the data points.

Difference between Seagate ST3500630Ns + ST500DM002?

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