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Item#: N82E16816111177

Sans Digital 4 Bay eSATA Port Multiplier JBOD Tower Storage Enclosure (no eSATA Card bundle) TR4M+BNC

  • SATA 150 & 300
  • 4 x Hot-Swappable 3.5" Drive Bays
  • JBOD (Hard drives are accessed individually)

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the SANS DIGITAL TR4M+BNC




SATA 1.5 & 3Gb/s
External I/O
eSATA (via Port Multiplier)
RAID Levels
JBOD (Hard drives are accessed individually)


3.5" Drive Bays
4 x Hot-Swappable

System Management

OS Supported
Supports PC, Linux and MAC OS, including Windows 7 and Snow Leopard

Mechanical Spec

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


Form Factor: Compact Tower

Maximum Capacity: 16TB

Host Interface & Transfer Rate:
eSATA (via Port Multiplier)
Note: *Port Multiplier supported eSATA port required.
*Please see Sans Digital eSATA port multiplier controller card selections.

Cooling Fan: 3.15" Ball Bearing Fan

Status Indicators: Power LED and 4 * Access LEDs

Accesses four hard drives using only one cable

Support port multiplier enabled RAID adapter for additional RAID application

* SATA/eSATA port require support port multiplier in order for your computer to recognize multiple hard drive. Port multiplier supported eSATA port is required.
** No eSATA card bundled

Dimensions & Weight

5.3" x 7.1" x 10.0"
5.9 lbs.

Package Contents

Package Contents
Power Cord
eSATA Cable
Screws (1 set)
Quick Installation Manual
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 SANS DIGITAL TR4M+BNC

Do you own this product? Write a Review

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  • Joseph N.
  • 5/8/2016 10:01:33 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorking for 3 years, no issues.

Pros: Worked without fail for 3 years. Transfer rates were good in my view, reads varied from 162 to 220 MB/Sec and writes 185 to 245. All my drives were not the fastest and probably 5400 rpms.

Cons: None. It was a little disconcerting to buy this without a controller card and not know for sure the one I got would work and if I had a problem getting two parties involved to diagnose it but I had no issues except getting a good driver for the card.

Other Thoughts: I see a lot of issues concerning a problem with power supply. Mine has run for three years with no problems so I might be on the verge of a failure but so far so good. It is in an air conditioned room where the max temperature is probably around 80 degrees and it has been on a UPS the whole time.

For the record I use a Startech PEXESAT3221 controller card and the best driver I found for it was from ASMEDIA for the Asmedia 106x SATA Host Controller Drive and may still be.

Did you find this review helpful? Yes No

  • Zhou Y.
  • 2/19/2016 1:53:20 AM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsDead in 3 yrs

Pros: large

Cons: dead

Other Thoughts: no

Did you find this review helpful? Yes No

  • N/A
  • 6/17/2015 4:21:57 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggspower supply died after 2 years

Pros: nice form factor, easy to use

Cons: power supply failed after 2 years, may have been due to power surge. power supply is NOT FUSED (design flaw in my opinion). i replaced one burnt 47ohm resistor on PS board, did not help. new PS is avail for $59.

Other Thoughts: the risk is yours. mine was on a Brickwall surge protector but this didn't help keep it from frying.

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

  • Dolsey
  • 3/18/2015 6:29:39 AM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsIt finally died.

Pros: Was cheap and worked great for a few years.

Cons: Power supply died.

Other Thoughts: As most of the negative reviews have mentioned, it's only a matter of time till the power supply dies. I also have the Rosewill version of this and it also has a bad power supply.

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

  • Witmore
  • 3/12/2015 7:28:06 AM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsWorks for about a year

Pros: When it worked it worked well, a nice and quiet enclosure esata speeds were great to the system.

Cons: I had this for more then a year practically unused before it went into daily service so I hurt myself by running out the warranty. I finally built a project box with ESXi on it, and put some servers and used this as the storage. and occasionally it would report the drives were disconnecting and reconnecting, I thought it was because the drives were going bad, it wasn't until this unit powered off and wouldn't come back on did I take the drives out of the enclosure and put them in a separate esata dock to copy their data did I find the drives were fine the enclosure failed.

The room in my house this sits depending on if the door is closed or not hits temps of 80 and 85 degrees F, and that appears to be the times the unit would fail the most, so I am assuming with 4 7200rpm drives and warm, but not hot ambient temperature it can cause something to over heat. and shorten the life of this unit.

Other Thoughts: Do buy this unit if you are a hobbyist, or someone who only intends on having this powered on for 8 hours a day in a well air conditioned room etc.

Do not buy this if you want to build a home server or something else you intend to store important data on for more then a year.

Did you find this review helpful? Yes No

  • Skyline94
  • 1/23/2015 2:55:43 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsOverall trash

Pros: For while it worked picked up nicely on Win7 pro, 4 WD Black Drives speed was a little slower then advertised but not a whole lot.

Cons: After about 1 year, different dives would just drop off and the whole box would need to be power cycled. then ports just stopped working even after trying with different HDs all together. Sans Digital support was basically useless after waiting 30+ minutes to speak with a person.

Other Thoughts: I bought 2 of these boxes within 6 months of each other... 1 is completely dead. the other 2 of the 4 bays work. Would not recommend this or would i purchase another one.

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  • JustAnotherReviewer
  • 1/19/2015 8:29:06 AM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsTerrible

Pros: None

Cons: Very bad experience. Drives kept dropping out and freezing my system on both Windows and FreeBSD. I have eliminated my eSATA controller and cables as possible causes. Had to pay a hefty return shipping fee and when I got the unit back it had the same problem. Never again!

Other Thoughts: Would give zero rating if possible. Sent defective item for warranty replacement and got it back in the exact same state. Of course now the warranty has conveniently expired, so I am left with a useless piece of junk and they have my money.

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

  • dopperpod
  • 1/16/2015 7:05:21 AM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsbuilt to be replaced

Pros: I was running an array of 4 disks for the last 2.5 years without any problems.

Cons: I lost power a couple days ago, and despite being hooked up to a UPS which gracefully shut down the array and its server, the unit will no longer power up. Apparently there is a non-serviceable fuse, so I will have to put the HDDs into my desktop to retrieve my data.

In the future, I will not be buying these built-to-fail-and-replace units. I had a similar Rosewill one previously (whose PSU also failed). Not only is it cheaper to just put HDDs in a standard PC case, but also more reliable. It's simply not worth the space savings to keep a Shuttle and one of these pieces of junk.

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

  • Bill
  • 12/30/2014 10:49:25 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsAvoid, Get iStarUSA Unit Instead

Pros: Price

Cons: Unreliable.

Other Thoughts: I was using this as JOBD for Linux RAID and found this enclosure very flaky with Ubuntu 12 LTS. Something would glitch and cause MD partitions to be marked as faulty. I ended up replacing the disks and even the new disks had the same issue. After becoming very proficient with forcing RAID rebuilds under Linux due to almost daily failures, I finally replaced the unit with the iStarUSA v7AGE420-ES. Using the same disks and eSATA card, the iStarUSA has been very reliable without a single issue over the last month.

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

  • factfinder
  • 12/22/2014 1:36:59 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsStorage for Storage

Pros: Simple set up, recognized by computer through eSATAII connection. Reduced space four external HDD to space equivalent of two. which were cluttering my desk space. Replaced four USB connectors with one esata connector.

Cons: Will cost additional money to purchase and esata card with port multiplier capability. Only one of 4 HDD are recognized on the standard (non-multiplier) port.

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