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Sans Digital 5-Bay USB 3.0 / eSATA Hardware RAID5 Tower Storage Enclosure w/ 6G PCIe 2.0 HBA Card TR5UT+B (Black)

  • SATA
  • 5 x Hot-Swappable 3.5" Drive Bays
  • 0, 1, 10, 3, 5, Clone (N-way Mirror) with Hot Spare and JBOD
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Learn more about the SANS DIGITAL TR5UT+B



General Spec

External I/O
USB 3.0, eSATA
RAID Levels
RAID 0/1/10/3/5, Clone (N-way Mirror) with Hot Spare and JBOD


3.5" Drive Bays
5 x Hot-Swappable

Mechanical Spec

Power Supply
220W (103V-253V)

General Spec

6.0" x 8.25" x 11.0"
9.3 lbs.
Form Factor: Compact Tower

Maximum Capacity: 20TB

Auto Rebuilding: Yes

Cooling Fan: 4.7" Ball Bearing Fan

Status Indicators: Status and Power LEDs

Backward compatible with USB 2.0.

Bundled with SATA 6.0Gbps PCIe 2.0 x1 controller card. Supports PCIe 2.0 with over 200MB/s performance. Backward compatible with PCIe 1.0 slot.

Hardware RAID, supporting RAID 0, 1, 10, 3, 5+hot spare, JBOD and CLONE.

Over 200MB/s read and 170MB/s write performance.

Over 2TB per volume via eSATA and USB on OS that supports 2TB or above.

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the SANS DIGITAL TR5UT+B

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  • frank
  • 2/7/2015 9:38:22 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsNot if you're using windows7, but it stores data... sometimes

Pros: It stores data.

Cons: If you are running Win7 you will constantly lose access to this unit. Every update throws this unit offline. When I say every update I mean EVERY FREAKING UPDATE! I addressed this problem with Sans Digital and never received a fix. If anything I received a condescending response. I can only speak from my experience.

Other Thoughts: I also suffered a catastrophic disk failure working off of this unit. When I restarted my machine, it came back but the entire folder I was working from disappeared... GONE. My other data was there but the files I was working on were vaporized.

Did you find this review helpful? Yes No

  • N/A
  • 12/3/2014 2:36:08 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsUnreliable avoid.

Pros: Keeps drives cool.

Cons: I had 2 raid 5 volumes go bad. Files were there but currupted. Data was transferred via the USB 3.0 interface. Not sure if estate is any better, but others have had the same issue.

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

  • TPK
  • 10/7/2014 5:47:11 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsWas working good but now fails

Pros: Used to work okay

Cons: I would like to mirror the last two comments (Guy R. on 7/28/2014 and J.M. on 7/17/2014)..

I had this unit for about a year, configured as a 5-disk RAID-5 array. For a long time the unit worked just fine, serving up some media for my media center.. Then all of the sudden things started to go terribly wrong.

Over the past month I have had my data destroyed twice. The volume itself becomes corrupted and cannot be accessed by Windows anymore. I have to re-format it, and then attempt to recover the data (I have been using Recurva software to do the recovery).. But now that I have done that more than once, I am afraid that my data is gone forever

This first happened under Windows 7, and then I reloaded my PC with Windows 8, and the same problem happened again just a week after my reload (so I highly doubt it is an OS problem). At this point my data is gone, and I don't think I will be able to retrieve it anymore..

It doesn't seem that the disks themselves are failing, but the volume itself is becoming corrupted and unreadable, and I have to start over..

I bought this unit (and the drives) thinking that this was the best way to protect my data from loss, but it seems to have done just the opposite.

I used to recommend this unit to my friends and even some small business clients of mine that needed some type of inexpensive protected storage. I will no longer recommend this unit to anyone anymore.

Other Thoughts: Not worth it

Manufacturer Response:

Thank you for purchasing our Sans Digital product.

I apologize for the inconvenience this issue has caused, I assure you this is not normal behavior for our Raid enclosures. A lot of factors could have contributed to the issues you’re describing.

Please contact our Technical Engineers at 1-800-980-1988 or to allow us to gather more information and troubleshoot your issue.

Did you find this review helpful? Yes No

  • Sans Data
  • 7/28/2014 2:31:44 PM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggs** EXTREMELY UNRELIABLE **

Pros: Low cost eSATA + USB 3.0 Hardware RAID 5 solution
Good way to optimize storage


It literally took me years to realize that this awful enclosure is responsible for several catastrophic volume failures I have had.

Even though I've never had a physical drive fail in the enclosure, I've lost complete RAID volumes due to faulty firmware.

The problem seems to be cause by a dropped connection to the computer.

This happens both over eSata and USB 3.0

I own several enclosures, and this happened on two of them.

As a result, the RAID volumes become corrupt and unrecoverable.

I've had several volumes become unrepairable and read-only.

1 5x2TB hardware RAID 5
2 2x2TB software RAID 1 (Apple RAID via disk utility)
1 2x3TB software RAID 1 (Apple RAID via disk utility)

Other Thoughts: If you earn even just minimum wage, the hours you will spend in repair and recovery will cost more than a proper enclosure.

Manufacturer Response:

Thank you for choosing Sans Digital products.

We aim to provide the most reliable and highest quality storage product to our customers.

We are sorry to hear about the RAID volume failures you are having with this unit.

Please help to contact us for more detail support, you can contact us at for email support or 1-800-980-1988 for phone support.

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

  • JoeM
  • 7/17/2014 3:54:48 PM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsTR5UT+B firmware needs some redesign for reliability

Pros: Really nice package. "Nominally" it works fine. Took awhile to set up. NOT plug and play! But if you read the setup directions, it is easy enough. For over 2 years, it kept my data secure.

Cons: Simple failures can become catastrophic. Twice, (once when I was playing at first and then now, about 2 years later.) I have had the failure of a hard drive in my RAID 5 array of 3TB drives. The first time, the array came back up and rebuilt fine. The last time, a 3TB drive failed and the array was still functional on 4 drives. Then I shut down, removed the bad drive, replaced the bad drive and powered back up. The new drive was "green" but did not rebuild. Worse, then the rest of the array became inaccessable except by the SansDigital Raid Monitor program. The program indicated that 4 drives were OK, and the new one was unassociated with the array. This was not the kind of "recovery" I was looking for. I am retiring the SansDigital and giving a Drobo B800fs a try. The most important thing about a RAID array is RELIABILITY. With unexpected problems like this, data reliability simply does not exist.

Other Thoughts: I think the Sans Digital TR5UT+B could be a good unit, but it would have to be fixed so that changing a defective drive COULD NOT destroy the array.

Manufacturer Response:

Thank you for choosing Sans Digital products.

Having a single drive failure in a RAID-5 array should not completely cause the RAID array to stop working and not allow you to access your data on th RAID array.

For more detail support, you can contact us at for email support or 1-800-980-1988 for phone support.

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

  • ZenX
  • 6/29/2014 9:01:48 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood performance for small network

Pros: Easy setup
Easy integration with Win 7 or higher
Option of USB -3 or e-Sata
Affordable option for home network or small office
Supports multiple RAID options

Cons: Occasionally drops offline
Cables tend to be a little loose and can get disconnected
Requires some technical experience as the documentation assumes a mid-to-high level of knowledge

Other Thoughts: If you're going to go the affordable route on a SAN, don't go cheap on the drives. Ask techie friends for recommendations but in a nutshell, you don't want a "green" drive or a drive with slow read-write. A lot of the performance of this unit will depend on the performance of the drives.
And while you are chatting with your techie friend, talk through the pros/cons of the different RAID options. Your drive purchase will need to complement the RAID option you choose.

This is a good option for someone who wants the dependability of RAID and doesn't have a lot of time for day-to-day maintenance. Invest your time it planning before you do the setup, make the right drive choices and then you shouldn't have too many issues.

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

  • N/A
  • 3/5/2014 10:15:39 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsSans Digital Great.. Highpoint Poor

Pros: Great enclosure.. Simple setup.. nice

Cons: Have spent a week playing eMailTag with High Point technologies technical support. This is without a doubt the most arduous exercise I've gone through in years. They are clueless. I have no less than 50 post on their website .....back and forth ....back and forth ....back and forth we're only goinsg in circles. they will not call to resolve the issue I don't think they have any idea how to resolve the issue.

Other Thoughts: The Highpoint 622 controllers work great as long as you don't run into an issue you will be fine. If you do run into an issue ....YOU ARE ON YOUR OWN.

Did you find this review helpful? Yes No

  • N/A
  • 12/21/2013 10:33:36 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

3 out of 5 eggsWorks well for some things

Pros: Easy to set up, good streaming transfer speed.

Cons: Terrible random access speed. Control software is buggy, and crashes easily. It still worked though.

Other Thoughts: We purchased two of these enclosures and loaded them with with 5 3TB WD Red drives each. We set them up in RAID 5. A tiny RAID controller is built into the unit. You just connect an eSATA cable.

RAID build time was instant. One array didn't build properly, and after a while I figured out that the red light for one drive meant that drive was bad, and one of the 10 drives was DOA. I put in a spare drive, and that array had to rebuild. That took over 24 hours as I recall. Each box was giving us 11TB of space. An amazing amount for the price.

We have been using these two drives under Linux for about a year now. No reliability problems. We get over 200MB/sec when transferring big files. The problem comes in when any kind of random access happens. One example is writing to many small files. These drives slowed down to under 30MB per second. Average latency went to over 2 seconds! Also reading folders with many small files is really slow. Also having more than one user accessing the drive at the same time was not good. These drives have a tiny cheap RAID controller built in. It really isn't up to random access. I wish they would offer an enclosure with a better controller built in. I would pay an extra $100+ for that.

In the end these enclosures were too slow, and turned out to be a bad fit for us. I think they are a good value for a single user that deals only with large files, and 200MB/sec. is fast enough for you.

For comparison, our new server with a good hardware RAID controller is reading/writing to two 8-drive arrays of WD Red 4TB at 500-850 MB/sec. You get what you pay for. We will probably use the Sans Digital arrays for backup.

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

  • N/A
  • 9/13/2013 4:48:46 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year

3 out of 5 eggsJacked me around on rebate

Pros: I haven't set my units up for raid but they work fine as drive enclosures.

Cons: none I can really think of

Other Thoughts: Bought mine in November sent in rebate 6 months no rebate email them they say the check is in the mail wait another 2 months nothing email them again no reply. Irritating all the hoops you jump through for a rebate and than you get stiffed!

Manufacturer Response:

Thank you for purchasing Sans Digital products, and glad to hear that the unit is working great.

If you have any rebate related issues, please contact

If you have problem on the unit, please contact us by calling 1-800-980-1988 for technical support and our engineer will try to resolve it over the phone. You can also contact us at for email support.

Did you find this review helpful? Yes No

  • Coyote
  • 6/19/2013 5:47:37 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs3 systems running perfectly - 24/7

Pros: I have three of these each running 5 drives in a raid5 configuration. One has 1TB drives and one has 2TB drives. Both and have been running 24/7 since January 2012. The third one has 3TB drives and has been online for a week. Absolutely no issues in setting them up but I only use 5 drive raid 5. I like that I can move them from one machine to another and can treat them as external multi-terabyte systems. Copies between two arrays on the same server average better than 100 Mbytes/sec.

Cons: I added a carrying handle to the cover because they are just big enough that you need two hands to pick 'em up!!

Other Thoughts: I have not tried any other configuration than raid5 so I can't vouch for the other modes..

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

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