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Item#: N82E16822178261
Seagate Backup Plus for Mac 2TB 3.5" USB 3.0 Mac Storage - Desktop Model STCB2000900
  • Mac OS and Time Machine ready right out of the box
  • Automatically save photos from your social networks
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  • 2 years limited warranty

1 out of 5 eggs Final Eggxpert Review update: EOL 06/12/2014

This review is from: Seagate Backup Plus for Mac 2TB 3.5" USB 3.0 Mac Storage - Desktop Model STCB2000900


First off: This drive is a failure by design. I had an idea in my initial Eggxpert Review on page 3 of these reviews...but I wish I had known how bad it would get. AVOID THIS DRIVE AND ANY SIMILAR SEAGATE EXTERNAL DRIVES OF A SIMILAR DESIGN. If you own one, I recommend trying to get a S.M.A.R.T. test reading if you can to see if it's reached any critically high temperatures. That might require removing it from the case...

It worked great when it worked. If you come across one of these. I recommend taking the drive out immediately. Run S.M.A.R.T. tests on it. I wasn't able to run S.M.A.R.T. tests when it was in the enclosure. Only after it was connected to SATA, directly. Even Seagate's very own application, Sea Tools, didn't have the option to test S.M.A.R.T. I didn't try HDDScan and CrystalDiskMark until after I removed it from the case. I should have.
Mine was a "STCB3000900 Backup Plus for Mac 3TB USB 3.0 Storage"

Inside was a Barracuda 7200RPM, etc, etc.


Where to begin...
In it's case, this drive gets HOT. the S.M.A.R.T. status says it has reached as high as 70C temps. WHAT???! This is way above critical hard drive temperatures. It's no wonder the darn thing failed and I'm surprised it lasted this long! I did not leave it in the sun or any hot place. In fact, I was a dry, mild climate most of the life of this drive.

I was curious about it from the start when I first disassembled the case. I ejected it from the OS, unplugged, popped the case off, and the drive nearly burned my fingers to the touch.

It started failing around the 14th month mark. Powered on 261 times and powered on for 12,000 hours. I'm not surprised. If I'm not mistaken, hard drives are more sensitive to heat and, further, max temperature it can handle is around 50C to 60C. Also S.M.A.R.T. readings can be off by 8C to 10C for temperatures. At 70C it's still over max temperature even if the reading is wildly off.

Since the S.M.A.R.T. isn't readily available to query, I didn't really see it coming. Only when some data was throwing access errors and wouldn't play did I noticed and I backed the drive up right away.

I reiterate my review below: I babied this drive. I kept it safely hidden away from falling or being bumped. Its failure is it's own fault. Looking back at my initial review I see that the drive was up to 42C after first getting it. I'm not sure where it experienced 70C in the year I had it...or for how long..

Other Thoughts:

The verdict is in: This drive is not built to last.

I'm sure it's a great drive otherwise, but this one barely lasted over one year before starting to fail and I bet 100% it was due to a failed design. It's a shame. I have a total of 12TB of storage in my system and it's all Seagate. I've never had a Seagate drive fail other than a special circumstance years ago.

As an Eggxpert Review item I didn't notice any warranty information (I believe it was my first or second assignment) and I doubt Seagate would honor one. Therefore, I cannibalized everything I could and ran further tests to figure out what happened. I'm not too upset because I saw it coming and only lost a small bit of data.

Since, I've bought a 4TB NAS drive (Seagate, of course) as a replacement and put it in my old Nexstar dual-bay enclosure (#N82E16817392024). I even glued the soft rubber stabilizers to my Nexstar because they feel nice.

I'm contemplating putting that 3TB alongside the new 4TB and reallocating around the bad heads but there are just so many...It's not worth it to risk the data. But I hate that this drive was exposed to such a failure of an external enclosure as to ruin it completely.
If you come across one of these then avoid it at all costs, unless you plan to remove the drive from the enclosure immediately and keep an eye on it.

Block read speed (results of a slow surface read test):
< 5ms: 4
< 10ms: 206488
< 20ms: 1162549
< 50ms: 55409
< 150ms: 3811
< 500ms: 1256
> 500ms: 1278
bads: 0

It says none are bad but the drive fails S.M.A.R.T. tests with 1 uncorrectable error and 85 pending sector count/uncorrectable sector count. Also, read/write drops to 0KB/s for quite a few secors and files timeout. As you can see above, even 'healthy' sectors are was slow for this drive..Some of the problem sectors took over 4000ms to 8000ms to read.

I'm not anti-Seagate by any meaning of the term but heed warning: stay away from these drives.

Seagate, you should look into airflow for these drives. They already use an external power source. Just stick a tiny fan in there or something...

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  • Theodore P.
  • neweggEggXpert
  • neweggOwned For: more than 1 year

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Item#: N82E16822178261
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