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Seagate Expansion 5TB USB 3.0 Desktop External Hard Drive STBV5000100

  • Instantly add 5 TB of storage space to your computer
  • Simple plug-and-play connectivity via USB cable
  • Power supply and USB 3.0 cable included
  • USB 3.0 interface for extremely fast data transfer speed

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Seagate STBV5000100

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Seagate STBV5000100

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  • Nikola N.
  • 7/29/2015 9:53:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsLots of storage, mediocre speed

Pros: Lots of capacity for a great price - cheaper than buying a drive on its own. No setup required, formatted full capacity on WIndows 7 64bit. Easy to transport.

Cons: Transfer speeds of drives have not kept up with capacity so takes days to fill it up. Same as for any other drive really though.

Other Thoughts: Runs fairly warm but not excessively so far.

Did you find this review helpful? Yes No

  • Steve F.
  • 7/23/2015 12:40:24 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsVery good for external use, maybe ok for internal

Pros: These offer huge storage and are quite inexpensive.

Formatted capacity is 4657.5GB (4.54TB).

The case is very small - only slightly bigger than the drive inside.

Long (4 foot) USB 3.0 cable.

The case has been improved considerably from the hard drive coffin of previous models. Seagate has removed the sheet metal inner case which covered all of the vent holes, so air flow is possible. The drive is still not actually attached to the case, but they have added additional tabs to the top of the case that hold the drive in place so it doesn't flop around anymore.

Performance when connected via USB 3.0 is very good, and very consistent from test to test, and even across varying test file sizes. Here are the results of a 500mb and 4gb test using Crystal DiskMark:

Sequential Read : 180.188 MB/s
Sequential Write : 170.141 MB/s
Random Read 512KB : 49.007 MB/s
Random Write 512KB : 106.927 MB/s
Random Read 4KB (QD=1) : 0.623 MB/s [ 152.0 IOPS]
Random Write 4KB (QD=1) : 10.205 MB/s [ 2491.4 IOPS]
Random Read 4KB (QD=32) : 0.560 MB/s [ 136.7 IOPS]
Random Write 4KB (QD=32) : 10.982 MB/s [ 2681.3 IOPS]

Test : 500 MB [H: 0.0% (0.2/4657.5 GB)] (x5)

Sequential Read : 155.835 MB/s
Sequential Write : 172.790 MB/s
Random Read 512KB : 46.013 MB/s
Random Write 512KB : 101.820 MB/s
Random Read 4KB (QD=1) : 0.483 MB/s [ 118.0 IOPS]
Random Write 4KB (QD=1) : 10.240 MB/s [ 2500.0 IOPS]
Random Read 4KB (QD=32) : 0.501 MB/s [ 122.2 IOPS]
Random Write 4KB (QD=32) : 10.846 MB/s [ 2648.0 IOPS]

Test : 4000 MB [H: 0.0% (0.2/4657.5 GB)] (x3)

Cons: Pathetic 1 year warranty.
Made in China, of course.
Cheapo old-style wall-wart power pack that covers adjacent outlets of a power strip.

As I feared, Seagate has done something to the firmware to optimize it for their USB interface, but it significantly alters the performance of the drive if it is removed from the external enclosure, resulting in wild variations in read performance once it is connected internally. Here are the full results of a 4gb and 500mb test using Crystal DiskMark:

Sequential Read : 180.571 MB/s
Sequential Write : 172.783 MB/s
Random Read 512KB : 48.593 MB/s
Random Write 512KB : 142.506 MB/s
Random Read 4KB (QD=1) : 0.494 MB/s [ 120.6 IOPS]
Random Write 4KB (QD=1) : 13.900 MB/s [ 3393.5 IOPS]
Random Read 4KB (QD=32) : 1.093 MB/s [ 266.9 IOPS]
Random Write 4KB (QD=32) : 11.003 MB/s [ 2686.3 IOPS]

Test : 4000 MB [F: 0.1% (5.4/4657.4 GB)] (x3)

Sequential Read : 52.618 MB/s
Sequential Write : 167.104 MB/s
Random Read 512KB : 48.593 MB/s
Random Write 512KB : 136.972 MB/s
Random Read 4KB (QD=1) : 0.563 MB/s [ 137.5 IOPS]
Random Write 4KB (QD=1) : 3.964 MB/s [ 967.9 IOPS]
Random Read 4KB (QD=32) : 1.375 MB/s [ 335.7 IOPS]
Random Write 4KB (QD=32) : 0.570 MB/s [ 139.1 IOPS]

Test : 500 MB [F: 0.1% (5.4/4657.4 GB)] (x5)

Since the performance was so erratic during my tests, I ran dozens of tests using different test sizes. Here is what I found (values are MB/s)

50mb - very consistent - average 209 read / 157 write
100mb - very consistent - average 197 read / 151 write
500mb - 48-181 read / 139-171 write
1000mb - 82-209 read / 149-173 write
2000mb - 95-178 read / 162-172 write
4000mb - very consistent - average 179 read / 171 write

To demonstrate how inconsistent the read rate is, here are 14 sequential read test with a 500mb test file run back to back. In most cases, the write rate was right at 165Mb/s with only a couple outliers

40.737 MB/s
180.188 MB/s
48.188 MB/s
60.423 MB/s
48.206 MB/s
54.699 MB/s
180.209 MB/s
180.810 MB/s
180.044 MB/s
68.490 MB/s
66.340 MB/s
223.467 MB/s
227.229 MB/s
180.810 MB/s

Instead of just trusting DiskMark, I did some real world tests too. For these tests, I set up a RAM disk to make sure that the variation was not caused by another disk (values are MB/s)

Test 1 - write 10gb worth of large files to the disk using USB 3.0: 81.3, 162.5, 97.5
Test 2 - read 10gb worth of large files from the disk using USB 3.0: 176.6, 179.4, 176.6
Test 3 - write 10gb worth of large files to the disk using SATA III: 84.6, 77.6, 80.6
Test 4 - read 10gb worth of large files from the disk using SATA III: 63.2, 180.0, 180.0

Other Thoughts: Next, I configured 4 of these disks into a RAID5 array using built-in Z87 SATA III. ports I expected the write rate to drop significantly due to the RAID5 write penalty, but I did not expect it to be this bad:

Sequential Read : 178.801 MB/s
Sequential Write : 13.616 MB/s
Random Read 512KB : 13.413 MB/s
Random Write 512KB : 16.315 MB/s
Random Read 4KB (QD=1) : 0.639 MB/s [ 155.9 IOPS]
Random Write 4KB (QD=1) : 0.412 MB/s [ 100.5 IOPS]
Random Read 4KB (QD=32) : 4.078 MB/s [ 995.7 IOPS]
Random Write 4KB (QD=32) : 1.978 MB/s [ 482.9 IOPS]

Test : 1000 MB [D: 0.0% (0.5/13972.4 GB)] (x3)

Fortunately, this is going to be used mostly for read-only access, so the only pain will be as data is loaded onto the drives. A low level format of the array has been running for 4.5 days now (76% done) with an average write rate of about 28MB/s.

On to the case, and getting it open. Now I realize that this is an external hard drive, and you're not supposed to be opening the case, but come on Seagate, did you really need to add the 32 extremely fragile hooks and loops just to guarantee that everyone knows it's been opened? In addition to these little clips, there are 11 more "main" clips that hold the case together, so after you have cleaned out all of the broken pieces, you can actually put it back together and it will stay tightly closed.

Note that this disk has 3 partitions (582.18gb, 1465.81gb, and 2609.53gb) which the USB interface merges into 1. When it is moved internally, it must be converted to a GPT (GUID) disk and reformatted before you can use it, so make sure you copy off anything before you do it.

--

Overall, these should be great for external use, and as long as you don't mind voiding the pathetic 1 year warranty, they will work pretty well as internal disks for about half of what you would pay for Seagate's "official" internal disks.

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

  • Steve F.
  • 7/20/2015 11:04:09 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsFollow up to last review

Pros: Corrections to previous review. Hey Newegg, how about an edit option for reviews? :)

Cons: My apologies for the confusing statement in cons where I said write rates were inconsistent. I meant read rates. That part should be:

To demonstrate how inconsistent the READ rate is, here are 14 sequential read test with a 500mb test file run back to back. In most cases, the write rate was right at 165Mb/s with only a couple outliers

40.737 MB/s
180.188 MB/s
48.188 MB/s
60.423 MB/s
48.206 MB/s
54.699 MB/s
180.209 MB/s
180.810 MB/s
180.044 MB/s
68.490 MB/s
66.340 MB/s
223.467 MB/s
227.229 MB/s
180.810 MB/s

--

Newegg also cut off the last 2 real work benchmarks. So here they are again, but complete this time:

Test 1 - write 10gb worth of large files to the disk using USB 3.0: 81.3, 162.5, 97.5
Test 2 - read 10gb worth of large files from the disk using USB 3.0: 176.6, 179.4, 176.6
Test 3 - write 10gb worth of large files to the disk using SATA III: 84.6, 77.6, 80.6
Test 4 - read 10gb worth of large files from the disk using SATA III: 63.2, 180.0, 180.0

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

  • Steve F.
  • 7/20/2015 12:34:03 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsVery good for external use, maybe ok for internal

Pros: These offer huge storage and are quite inexpensive.

Formatted capacity is 4657.5GB (4.54TB).

The case is very small - only slightly bigger than the drive inside.

Long (4 foot) USB 3.0 cable.

The case has been improved considerably from hard drive coffin of previous models. Seagate has removed the sheet metal inner case which covered all of the vent holes, so air flow is possible. The drive is still not actually attached to the case, but they have added additional tabs to the top of the case that hold the drive in place so it doesn't flop around anymore.

Performance when connected via USB 3.0 is very good, and very consistent from test to test, and even across varying test file sizes. Here are the results of a 500mb and 4gb test using Crystal DiskMark:

Sequential Read : 180.188 MB/s
Sequential Write : 170.141 MB/s
Random Read 512KB : 49.007 MB/s
Random Write 512KB : 106.927 MB/s
Random Read 4KB (QD=1) : 0.623 MB/s [ 152.0 IOPS]
Random Write 4KB (QD=1) : 10.205 MB/s [ 2491.4 IOPS]
Random Read 4KB (QD=32) : 0.560 MB/s [ 136.7 IOPS]
Random Write 4KB (QD=32) : 10.982 MB/s [ 2681.3 IOPS]

Test : 500 MB [H: 0.0% (0.2/4657.5 GB)] (x5)
Date : 2015/07/17 20:50:37
OS : Windows 7 Professional SP1 [6.1 Build 7601] (x64)

Sequential Read : 155.835 MB/s
Sequential Write : 172.790 MB/s
Random Read 512KB : 46.013 MB/s
Random Write 512KB : 101.820 MB/s
Random Read 4KB (QD=1) : 0.483 MB/s [ 118.0 IOPS]
Random Write 4KB (QD=1) : 10.240 MB/s [ 2500.0 IOPS]
Random Read 4KB (QD=32) : 0.501 MB/s [ 122.2 IOPS]
Random Write 4KB (QD=32) : 10.846 MB/s [ 2648.0 IOPS]

Test : 4000 MB [H: 0.0% (0.2/4657.5 GB)] (x3)
Date : 2015/07/17 21:01:22
OS : Windows 7 Professional SP1 [6.1 Build 7601] (x64)

Cons: Pathetic 1 year warranty.
Made in China, of course.
Cheapo old-style wall-wart power pack that covers adjacent outlets of a power strip.

As I feared, Seagate has done something to the firmware to optimize it for their USB interface, but it significantly alters the performance of the drive if it is removed from the external enclosure, resulting in wild variations in read performance once it is connected internally. Here are the full results of a 4gb and 500mb test using Crystal DiskMark:

Sequential Read : 180.571 MB/s
Sequential Write : 172.783 MB/s
Random Read 512KB : 48.593 MB/s
Random Write 512KB : 142.506 MB/s
Random Read 4KB (QD=1) : 0.494 MB/s [ 120.6 IOPS]
Random Write 4KB (QD=1) : 13.900 MB/s [ 3393.5 IOPS]
Random Read 4KB (QD=32) : 1.093 MB/s [ 266.9 IOPS]
Random Write 4KB (QD=32) : 11.003 MB/s [ 2686.3 IOPS]

Test : 4000 MB [F: 0.1% (5.4/4657.4 GB)] (x3)
Date : 2015/07/18 21:50:23
OS : Windows 7 Professional SP1 [6.1 Build 7601] (x64)

Sequential Read : 52.618 MB/s
Sequential Write : 167.104 MB/s
Random Read 512KB : 48.593 MB/s
Random Write 512KB : 136.972 MB/s
Random Read 4KB (QD=1) : 0.563 MB/s [ 137.5 IOPS]
Random Write 4KB (QD=1) : 3.964 MB/s [ 967.9 IOPS]
Random Read 4KB (QD=32) : 1.375 MB/s [ 335.7 IOPS]
Random Write 4KB (QD=32) : 0.570 MB/s [ 139.1 IOPS]

Test : 500 MB [F: 0.1% (5.4/4657.4 GB)] (x5)
Date : 2015/07/18 21:56:29
OS : Windows 7 Professional SP1 [6.1 Build 7601] (x64)

Since the performance was so erratic during my tests, I ran dozens of tests using different test sizes. Here is what I found (values are MB/s)

50mb - very consistent - average 209 read / 157 write
100mb - very consistent - average 197 read / 151 write
500mb - 48-181 read / 139-171 write
1000mb - 82-209 read / 149-173 write
2000mb - 95-178 read / 162-172 write
4000mb - very consistent - average 179 read / 171 write

To demonstrate how inconsistent the write rate is, here are 14 sequential read test with a 500mb test file run back to back. In most cases, the write rate was right at 165Mb/s with only a couple outliers

40.737 MB/s
180.188 MB/s
48.188 MB/s
60.423 MB/s
48.206 MB/s
54.699 MB/s
180.209 MB/s
180.810 MB/s
180.044 MB/s
68.490 MB/s
66.340 MB/s
223.467 MB/s
227.229 MB/s
180.810 MB/s

Instead of just trusting DiskMark, I did some real world tests too. For these tests, I set up a RAM disk to make sure that the variation was not caused by another disk (values are MB/s)

Test 1 - write 10gb worth of large files to the disk using USB 3.0: 81.3, 162.5, 97.5
Test 2 - read 10gb worth of large files from the disk using USB 3.0: 176.6, 179.4, 176.6
Test 3 - write 10gb worth of large files to the disk using SATA III: 84.6, 77.6, 80.6
Test 4 - read 10gb worth of large files from the disk using SATA III: 63.2,

Other Thoughts: Next, I configured 4 of these disks into a RAID5 array using built-in Z87 SATA III. ports I expected the write rate to drop significantly due to the RAID5 write penalty, but I did not expect it to be this bad:

Sequential Read : 178.801 MB/s
Sequential Write : 13.616 MB/s
Random Read 512KB : 13.413 MB/s
Random Write 512KB : 16.315 MB/s
Random Read 4KB (QD=1) : 0.639 MB/s [ 155.9 IOPS]
Random Write 4KB (QD=1) : 0.412 MB/s [ 100.5 IOPS]
Random Read 4KB (QD=32) : 4.078 MB/s [ 995.7 IOPS]
Random Write 4KB (QD=32) : 1.978 MB/s [ 482.9 IOPS]

Test : 1000 MB [D: 0.0% (0.5/13972.4 GB)] (x3)
Date : 2015/07/19 0:47:42
OS : Windows 7 Professional SP1 [6.1 Build 7601] (x64)

Fortunately, this is going to be used mostly for read-only access, so the only pain will be as data is loaded onto the drives. A low level format of the array is currently running at about 32MB/s with write rates varying between 25 and 40MB/s.


On to the case, and getting it open. Now I realize that this is an external hard drive, and you're not supposed to be opening the case, but come on Seagate, did you really need to add the 32 extremely fragile hooks and loops just to guarantee that everyone knows it's been opened? In addition to these little clips, there are 11 more "main" clips that hold the case together, so after you have cleaned out all of the broken pieces, you can actually put it back together and it will stay tightly closed.

Note that this disk has 3 partitions (582.18gb, 1465.81gb, and 2609.53gb) which the USB interface merges into 1. When it is moved internally, it must be converted to a GPT (GUID) disk and reformatted before you can use it, so make sure you copy off anything before you do it.

--

Overall, these should be great for external use, and as long as you don't mind voiding the pathetic 1 year warranty, they will work pretty well as internal disks for about half of what you would pay for Seagate's "official" internal disks.

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

  • Jean-Carl D.
  • 7/5/2015 1:32:28 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsBuyer beware

Pros: Large

Cons: Dead after less than 8 Months. I can understand a drive that dies afte 2-3 but 8 months is somewhat ridiculous.

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

  • Glen B.
  • 6/7/2015 8:59:09 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGreat capacity

Pros: It was cheaper than anything else I could find at the time of purchase.

Cons: It says 5TB but you actually get about 4.5TB

Other Thoughts: I de-shelled this the moment it arrived and used it as a secondary storage drive.

If you're thinking of doing the same, then you should know that you've got to format it after removing the casing. Otherwise it will only show 500GB of storage.

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

  • Jonathan M.
  • 6/6/2015 11:54:28 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsFaulty Power Supply

Pros: Cheap, Lots of storage

Cons: The power supply on it whines when the computer is off. Possible faulty capacitors. It sounded like it will die when I was using it.

Other Thoughts: Do not recommend

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

  • Michael E.
  • 6/3/2015 10:28:20 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsVery Slow Writes

Pros: Great price. 5TB is a lot of space.

Cons: Main con is SLOW WRITEs. I have 4 of these I got early yesterday for backing up data to copy into new raid array. All 4 are copying on 2 servers at the same time. They all started off with about 60MB/s each. but as time went on they all dropped to 30MB/S and transfering to fill them up is going to take about 48 hours to write 5TB. Way too slow.

Other Thoughts: Meh. I only needed them to backup info then write it back to new raid array. However the slow write speed on USB 3 is a major negative towards these guys. Added an extra day to my project.

2 out of 4 people found this review helpful. Did you? Yes No

  • robin h.
  • 6/3/2015 5:36:48 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat buy

Pros: A lot of storage space, Great Price

Cons: none

Did you find this review helpful? Yes No

  • Michael K.
  • 5/22/2015 9:18:39 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsFlawed, Slows to a crawl after copying for a little while.

Pros: Cheap, lots of space, USB 3

Cons: I returned the first one, this second one is still doing the same thing. I use this and others of the same model line (I have 3 of the 4TB versions) to offload completed projects. I'm a video editor. I'm trying to offload 3.4TB of media and set it copy last night. I watched it for about 20 minutes and it was copying at a good 130MB/sec average but when I got up it was down to around 30-40MB/sec. The first drive I had did the same thing. The other 4TB drives I have will copy all day long at 130MB/s

Other Thoughts: Something definitely wrong with this specific model (5TB).

3 out of 5 people found this review helpful. Did you? Yes No

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