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Item#: 9SIA24G1XA6657

Seagate Backup Plus for Mac 4TB USB 3.0 Mac & PC Storage Model STCB4000102

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Learn more about the Seagate STCB4000102


Backup Plus for Mac




USB 3.0


System Requirements
Mac OS X 10.6 or higher or Windows 8, Windows 7, Windows Vista, Windows XP SP3 (32-bit and 64-bit) operating system1,2
SuperSpeed USB 3.0 port (required for USB 3.0 transfer speeds or backwards compatible with USB 2.0 ports at USB 2.0 transfer speeds)2
Protect your precious memories with flexible backup that's fully compatible with Time Machine software

Save the photos you've shared online-automatically

Share photos and videos on social networks like Facebook and Flickr

Upgrade your connection in a snap with swappable upgrade adapters

Space for everything you've got. No more having to pick and choose what you protect

It's fully compatible with your Mac's Time Machine software, so you just plug it in, set it up, and forget it.

Also works with PCs

USB 3.0 plug-and-play.

Dimension: 6.22" x 4.88" x 1.73"
Weight: 2.38 lbs.

Install the downloadable HFS+ driver for PC, and use the drive interchangeably between Mac computers and PCs without reformatting. Take advantage of the Seagate Backup Plus design and upgrade from the included USB 3.0 interface to Thunderbolt technology or FireWire 800 with the additional adapter.
Downloads link for finding Drives, Firemware, Software & Documents:


Package Contents
Seagate Backup Plus drive
Seagate Dashboard pre-loaded on drive
4-foot (1.2m) USB 3.0 cable
USB 3.0 interface adapter with capacity gauge
Power adapter
Quick start guide

Quick Info

Customer Reviews of the Seagate STCB4000102

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  • Michael K.
  • 6/24/2014 8:22:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsThis thing is quick for a non-ssd

Pros: I transferred a file from this to the new SSD I just installed and it was moving it at over 200 MB/sec. It doesn't play around this thing has got to be 10,000 rpm or faster.

Cons: Had to fiddle with settings to get it to not sleep while doing an operation.

Did you find this review helpful? Yes No

  • Theodore P.
  • 6/12/2014 6:43:18 PM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsFinal Eggxpert Review update: EOL

Pros: 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.

Cons: 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...

1 out of 1 people found this review helpful. Did you? Yes No

  • Hang C.
  • 5/19/2014 6:35:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFast USB 3.0 Drive

Pros: - Fast Exchange rate then I expected.
- Can move 80 GB video within 5 ~ 10 minutes from SSD to Mac Storage.
- Works Great on Mac/Windows 7

Cons: - it worked great on Mac from the start but, I had to give a petition to the drive order for it to work on Windows 7.

Did you find this review helpful? Yes No

  • Ryan W.
  • 4/21/2014 8:19:47 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Easier than expected Setup, works as expected, excellent price

Cons: I haven't found one yet.

Did you find this review helpful? Yes No

  • Ian C.
  • 3/17/2014 12:16:25 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsNot exactly plug-in-and-play

Pros: Once I got it working, it's been great, exactly what you want from a USB 3.0 portable hard drive.

Once I got it installed, the Dashboard is simple and easy to use.

Cons: Initially showed up as a device, said it was installed, but wasn't in Computer. Well ok, set options to show empty drives.

Oh? Still not there?

Well alright then, Disk Management here we go.

There it is! Wait, why doesn't it have a name? Just a blank field for a 2 TB drive.

Well, alright, I'll just rename it.

Right click on the drive, and every single option is greyed out.

Ok then... can't rename the drive to be recognized. Fun.

15 minutes of troubleshooting later, including installing the Seagate troubleshooter, Windows 7 drivers, and Dashboard (which also did not automatically install like it was supposed to), I just reformatted the drive. No more shenanigans, little drive.

Set up and named the drive through Windows, and it worked like a charm immediately.

This darn thing wasn't formatted correctly, it appears. That's a bad move, Seagate.

Other Thoughts: It's a good drive, but it's also hard to have a bad drive. Either it works or it doesn't.

I shouldn't have to reformat the darn thing to use it.

1 out of 2 people found this review helpful. Did you? Yes No

  • Thomas S.
  • 2/21/2014 8:48:52 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsMay be issues with Time Machine

Pros: Quiet, fast, beautiful enclosure

Cons: proprietary seagate connector tiny and hard to insert; firmware may be incompatible with Time Machine and Disk Utility on Mavericks OS

Other Thoughts: Approach with caution if using Mavericks. I, and quite a few users at Apple forums have found it incompatible with Time Machine and Disk Utility, with disk automatically ejecting and refusing to be found, mounted or erased. Works fine with pre-Mavericks OS. Firmware is up to date, still does not perform. Your results may differ.

2 out of 3 people found this review helpful. Did you? Yes No

  • Metric P.
  • 2/10/2014 3:52:21 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks Great with Win7

Pros: Fast and Quiet

Cons: n/a

Other Thoughts: Works great with Win 7 had to download windows driver from seagate site. But after that it worked perfect.

Did you find this review helpful? Yes No

  • Metric P.
  • 2/8/2014 6:23:26 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks great with Windows 7

Pros: Fast and quiet

Cons: none

Other Thoughts: Need to download Windows driver and install, but once that was done everything went great. Backup was effortless using the Seagate dashboard

Did you find this review helpful? Yes No

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Item#: 9SIA24G1XA6657
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