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SANS DIGITAL TR4UTBPN 4Bay USB 3.0 / eSATA Hardware RAID 5 Tower RAID Enclosure (no eSATA card bundled)

  • SATA 150 & 300
  • 4 3.5" Drive Bays
  • 0, 1, 10, 3, 5, Clone (N-way Mirror) with Hot Spare and JBOD
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Sans Digital TowerRAID TR4UTBPN - Four-Bay USB 3.0 / eSATA Hardware RAID 5 Tower

Features

Sans Digital

The TowerRAID TR4UTBPN is a four-bay hardware RAID 5 storage tower that utilizes high performance USB 3.0 and eSATA interfaces to provide over 200MBps in performance. The included USB 3.0 port is backwards compatible with widely available USB 2.0 ports, which is a convenient feature when both USB 3.0 and eSATA connections are unavailable.

With built-in RAID 0, 1, 10, 3, 5 with hot-spare and JBOD, the TR4UTBPN provides hardware RAID redundancy protection against hard drive failures. A brand new RAID mode, CLONE or N-Way Mirror, is also introduced to replicate the saved data throughout each installed hard drive. The RAID engine is embedded within the enclosure and performs all RAID parity calculation to reduce CPU utilization from the host PC. RAID controller cards are unnecessary. The TR4UTBPN is the ultimate RAID storage for all storage needs.



Sans Digital


  • Hardware RAID, supporting RAID 0, 1, 10, 3, 5, JBOD, Clone and hot spare disk
  • Over 200MBps read and 170MBps write performance
  • eSATA and USB 3.0 interface
  • Backward compatible with USB 2.0
  • True hardware RAID design within the enclosure, no driver and no additional RAID controller needed
  • New Clone mode (N-way Mirror) - all the hard drives connected will be mirrored. Clone mode is especially useful when users would like to copy data form one hard drive to several hard drives at the same time.
  • Supports SATA I / II / III (1.5GBps, 3GBps and 6GBps) hard drives
  • Over 2TB per volume via eSATA and USB on OS that support 2TB and above
  • Automatic insertion / removal detection and rebuild
  • Hardware RAID with standard Interface. No extra drivers required.
  • Compact, stylish 4-bay tower design with protective ventilating cover


Sans Digital

What's in the Box

Sans Digital

Learn more about the SANS DIGITAL TR4UTBPN

Model

Brand
SANS DIGITAL
Series
TowerRAID
Model
TR4UTBPN

General Spec

Drive
SATA 1.5 & 3Gb/s
External I/O
USB 3.0 (backward compatible with USB 2.0) and eSATA
RAID Levels
0, 1, 10, 3, 5, Clone (N-way Mirror) with Hot Spare and JBOD

Expansion

3.5" Drive Bays
4

Mechanical Spec

Power Supply
150W (115V - 230V Switchable)

General Spec

Dimensions
5.3" x 7.1" x 10.0"
Weight
5.9 lbs.
Features
True hardware RAID design within the enclosure, no driver and no additional RAID controller needed.
New Clone mode (N-way Mirror) - all the hard drives connected will be mirrored. Clone mode is especially useful when users would like to copy data form one hard drive to several hard drives at the same time.
Automatic insertion / removal detection and rebuild.
Hardware RAID with standard Interface. No extra drivers required.
Compact, stylish 4 bay tower design with protective ventilating cover

Manufacturer Warranty

Parts
1 year limited
Labor
1 year limited

Quick Info

Warranty

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


Customer Reviews of the SANS DIGITAL TR4UTBPN

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  • Brad L.
  • 8/15/2014 6:44:37 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggs

Pros: -Easy to Setup
-Flexible Raid Options

Cons: -Software package to administrator not very robust
-Cheap Power Supply

Other Thoughts: I had the unit for 2 years during which time I had 1 HDD failure after about a year. I replaced the failed unit and the raid array did it job to start working at full capacity again. The latest thing to go wrong was that the power supply failed after the device was powered off when I was cleaning up my home theather area. It wouldnt power back on. I had to use a spare ATX power supply to get it up and working again to recover my data.

The other reviews that stated they had trouble with the OEM power supply and the expense pushed me to replace the tower raid with a server box instead.

Did you find this review helpful? Yes No

  • Dennis S.
  • 8/4/2014 11:00:32 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsworks great until power supply dies

Pros: I got it on sale. It is small, quiet, good transfer speeds. No issues at all for over two years of daily use. Then.......

Cons: Power supply is low quality. Unit was on a APC UPS with line conditioner. It was only powered off twice. The second time it didn't come back on. Hardly any dust in unit at all. I had to rig up a PC power supply to power it so I could recover the data. I'm not happy. Probably will not buy Sans Digital products again.

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  • Thomas M.
  • 7/26/2014 11:03:30 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPerfect solution for home storage

Pros: Compact, Hardware RAID (no port replicator card necessary), quiet, cost effective. Easy setup and straightforward instructions make setup a breeze.

Cons: None.

Other Thoughts: There are a lot of people claiming drives drop out on these enclosures. YOU CAN NOT USE DESKTOP HARD DRIVES WITH A RAID CONTROLLER. Desktop drives have a data recovery algorithm that takes too long to satisfy the controller. Data is not provided in the set time frame, and the controller marks the drive as offline. I HIGHLY recommend WD RED hard drives. I'm running the 1 TB WD RED drives in RAID5, not a single glitch in operation, powered up 24/7 since the day I received it.

I have an additional recommendation, besides the use of RAID/NAS/Enterprise drives: Put the enclosure in "JBOD" mode and download the drive supplier's drive scanning/health utility when you first put it together and do a complete "Exhaustive" hardware test on each individual drive. This takes a day or two per drive, but helps insure you don't have a defective drive going in. Once complete, switch to the operating mode of your choice, reset the enclosure, and enjoy!

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  • Howard L.
  • 7/26/2014 8:11:03 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsNo Complaints, except for PSU

Pros: This unit is honestly the most solid enclosure I've used so far for it's price range. I've not experienced any of the catastrophic failures others have mentioned in the ~2 years I've been running this. I did swap out all the hard disks in it a few months back and it was incredibly painless to swap each out one at a time and have them automagically rebuild. The process felt like it went extremely quick (about 6 to 10 hours per disk).

Cons: I just had to purchase an open box replacement for it's PSU. After a power failure incident where it's UPS failed to protect the unit, it no longer would power up. To speed up the downtime, I just went ahead and purchased an open box item from Newegg and swapped it out. I'll be ordering a replacement power supply for the extra box here and using it as a spare or backup unit, despite knowing about the flaw.

Did you find this review helpful? Yes No

  • Justin M.
  • 7/10/2014 5:24:50 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggssimple is better

Pros: 4 bay for lower price than most 2-3. USB connection is solid and transfer speeds are comparable to every other external USB hard drive I've ever used.

Cons: RAID and eSATA are a bit finicky

Other Thoughts: I got it "to work" with my eSATA card but my speeds were all over the map. In fairness I haven't tested with any other card. I didn't buy it to use as hard drive expansion, i bought it for external backup and archival of older, less frequently used files. Plug it in using USB and it'll run about 70-110 to my dual 4TB hard drives currently in JBOD configuration. If you want more fancy features spend the money and time and see if they work. For me it does everything i need.

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  • Anonymous
  • 7/5/2014 10:42:40 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsnever received my rebate

Pros: It still works, and I'm happy with the product so far.

Cons: Still a little slower than I expected, and I fear turning it off since it lost my array the first time I powered down.

Other Thoughts: I never received my rebate. This is the first time I've not received an advertised rebate, and I believe that it was due to Newegg's posted rebate form having a watermark on the printout that read "sample" or "example"---can't remember.

I didn't print out the form until the day after the sale, because I was not at home when I made the purchase; so if there was a change, it was surely intentional, and made me eat the price difference.

Yes, I'm upset about twenty dollars because as far as I'm concerned, it's an agreed upon price....much like a handshake, a gentleman's deal. It's now been 4 months, so I don't think I'll be getting it. I might call them because I hope this premier membership is worth something. I paid for it, and so far I'm not impressed with whatever this service is supposed to provide because I haven't seen any benefits from it.

Manufacturer Response:

Thank you for choosing Sans Digital products.

Sorry to hear that you have not received your rebate. Please contact us at info@sansdigital.com for rebate status. Please provide the rebate number and contact information so we can check on the status of your rebate.

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  • J B.
  • 7/4/2014 4:39:14 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsPower supply dead

Pros: owned since 5/2011. Never had any issues until the power supply died on july 4 2014.

Cons: Doesn't automatically turn off with computer, only manual switch.
Fan loud
power supply dead.

Did you find this review helpful? Yes No

  • Steve A.
  • 6/20/2014 6:06:06 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsInexpensive RAID with some flaws

Pros: Inexpensive, HW RAID so OS only sees 1 drive, easy to configure.

Cons: Power supply is questionable (1 failed out of 3, I replaced it with some difficulty). RAID can not be expanded by adding a new drive later: to add a new drive the RAID must be backed up, deleted, re-created with the new drive and restored. This is an omission that took 2 stars. Must remove case cover to insert/remove drives if they are mounted with screws, minor annoyance.

Other Thoughts: I have 3 (now 4) of these units. One PS died after 18 months or so. I bought a new unit then ordered a relatively expensive replacement from Sans Digital ($59 + $20 shipping) to repair the dead one. Difficult to install but not impossible. Tech Support responds promptly to questions. RAID5 rebuild on a 4*2TB drive with one failed 2TB drive took a long time (about 24 hours).

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

  • Brandon H.
  • 6/12/2014 3:05:20 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggs2.5 years old, doesn't power on

Pros: Simple to setup, flexibility to build several different raid configurations, USB3.0 & eSata support

Cons: device powered off and is failing to power on now after 2.5 years. Waiting for response from Sans Digital tech support as there's no phone number on their site for on the spot service.

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

  • Scott A.
  • 5/28/2014 10:35:31 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsAVOID! AVOID!

Pros: inexpensive

Cons: SUPER-DANGEROUS to data preservation

Other Thoughts: After having to do a very VERY expensive data recovery due to our own operator error, we've been super-careful about following procedure with Sans's enclosures. But within days of recovering from our self-inflicted disaster, the enclosure created its own very expensive catastrophe. When this enclosure fails to see the proper number of good drives inside, it continues to operate, but as soon as it sees the last drive added, it goes into auto-rebuild. While this may seem like a good idea, it's NOT. The enclosure seems to fail to reliably power up and control all the drives within the short window it uses to recognize a "good" RAID set. Consequently it occasionally goes into auto-rebuild on start-up, even when all the drives are present. Annoying, yes. Dangerous, no. But what IS DANGEROUS is that when it fails to recognize two or more of the required drives, then it corrupts its own RAID master directory, rendering all drives useless without a VERY expensive data recovery process. Even when you follow all the instructions. It's just plan bad engineering to make something as elaborate as an auto-rebuild into a non-user-controllable process. But it's even worse to make it so that it craps in its own nest without you being able to stop it. AVOID THIS BOX LIKE THE PLAGUE.

Did you find this review helpful? Yes No

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