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Mediasonic > 
Item#: N82E16817576012

Mediasonic H82-SU3S2 3.5" Black SATA I/II/III USB3.0 & eSATA ProBox 8 Bay External Hard Drive Enclosure

  • 3.5"
  • USB3.0 & eSATA
  • Up to 4TB
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Learn more about the Mediasonic H82-SU3S2




AC Adapter
Internal Interface
External Interface
USB3.0 & eSATA
Maximum Capacity (per Bay)
Up to 4TB
Supporting OS

- Windows 2000 / XP / VISTA / Windows 7 (with MBR enabled, supports total capacity up to 2TB)
- Windows Vista / 7 32/64 bit (with GPT enabled, supports total capacity more than 2TB
- Mac OS 10.3 or later

Power Adapter: 100V to 240V

Safety Specification: CE / FCC / Rohs
Support all brand of 3.5" SATA I / II / III hard disk drive up to 4TB per drive

Transfer rate up to 5.0Gbps via USB 3.0

Transfer rate up to 6.0Gbps via eSATA III

Power Sync: Power off in synchronization with PC

Forced Convection Process

Smart Fan function:
- Thermal-Sensor built-in
- Auto & Manual mode
- 3 level of speed

One button interface selection: Switch USB 3.0 or eSATA interface by pressing one button

Dimensions & Weight

13.86" x 9.96" x 6.1"
11.02 lbs


Package Contents
H82-SU3S2 Enclosure
eSATA Cable
USB 3.0 Cable
Power cord (US Type)
User manual
Screw driver x 1
HDD Handle x 8

Quick Info


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

Customer Reviews of the Mediasonic H82-SU3S2

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  • Anton K.
  • 2/17/2014 3:14:02 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner


Pros: I've been using the 4-bay Mediasonic boxes without any issues for the last 2 years. Just decided to upgrade to this one, and it's great... with the USB 3.0 connection. If you're going to use this with USB, stop reading & buy it now. But for eSATA, read the "Cons".

Cons: One thing that Mediasonic is not mentioning is that this box REQUIRES AN 8-DEVICE CAPABLE CONTROLLER. In other words, cards that can only support 2 or 4 external devices will flat out NOT work. This bit of information cost me 3 days of wasted time, and 6 E-mails. If I knew about this in advance, I would have bought an 8-device PCIe card.

This is the only reason I'm giving it 4 eggs instead of 5.

Other Thoughts: I'm happy to see that Mediasonic fixed the issue with the doors not closing right - the 8-day box has a nice horizontal swinging door, with a lock.

Did you find this review helpful? Yes No

  • Benoit C.
  • 1/13/2014 12:12:47 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsVery good JBOD box!

Pros: Does what it says it does
Easy intallation
Well built
Not too noisy

Cons: *Need the right hardware to use (PCIE USB 3.0, SY-PEX20135)
No indepth manual

Other Thoughts: I needed a JBOD box for my home media server and this box is the thing!!! Easy to install, recognized all drives with data and performance is a whopping 100 to 120 mbsec transfer rate from drive to drive... You need to use it with the proper USB 3.0 card make the investment... SY-PEX20135...

I did not connect it the eSata way because I am using a WHS 2011 box which has a 2TB limit and I am using 4 TB drives...

Did you find this review helpful? Yes No

  • Bernhard W.
  • 12/3/2013 3:31:02 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsSecond one works fine

Pros: This is an update to my previous review:

The replacement box I got works (the USB connection light is now constantly on and the box works as intended). No drop outs, cool, quiet, exactly what I wanted.

Cons: Migrating 4 harddrives from separate external USB docks into the Mediasonic box was much more difficult than I expected. All except one of the drives were not recognized at first. Through testing I realized that it was not an issue with the Mediasonic box, but was the same with any USB dock. Apparently the previously used USB docks, in combination with using Windows Server 2012 Storage Spaces, made the drives unrecognizable elsewhere.

Mediasonic support was excellent - they even called me to help me problem solve.

I ended up having to 'Remove' each drive one by one from the Storage Pool, 'Clean' the drive using Diskpart, put it into the Mediasonic box, add it again to the Storage Pool & Rebuild the array. Overall this exercise took 2 days.

Other Thoughts: Obviously there are things going on with USB interface cards, that are not totally standard and drives may end up not being portable from one system to another without totally reformatting and starting new. Scary, as that possibly defeats the purpose of Storage Space drives being portable across systems independent of hardware.

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  • Stephen I.
  • 12/2/2013 11:00:20 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsWorst Tech Support Ever

Pros: Fits 8 Bays, can run/mount them independently.

Decent looking box.

Cons: Constantly have problems with drives going to sleep (not using green drives). Today, after almost exactly a year, the box stopped working and drives won't mount.

Other Thoughts: Their tech support is worthless. Takes them days to answer e-mails if they answer at all. There is no tech support phone number on their website. I called the sales number looking for the tech number. An informal "Hello?" on the other end. He gave me another number, which I called, and same thing. "Hello?" "Is this Mediasonic?" "Yes?" "Uhh...I have a problem with one of your enclosures." "OK...yes?"

Terrible. And not fixed.

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

  • Bernhard W.
  • 11/9/2013 7:34:56 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsNot working - returned

Pros: Quality build, looks nice, would be exactly what I need, if it worked. Compact. Pretty much just the drives and fans.

Cons: Does not get recognized on any of 5 PCs, Windows 8, Server 2012 Essentials, Windows 7. The USB Interface light blinks slowly, but no disks appear on any of the PCs. Tech support from Mediasonic responded via email, suggested to ensure the box was connected to a PC before powering it on. Then suggested to return. I am trying one more time.......

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  • Joshua S.
  • 10/29/2013 6:58:04 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggs

Pros: Easy to install the drives, just pop the plastic piece on with 2 screws and put the drive in, that's all. Fans are quiet and the build quality is great.

Cons: There are issues with this enclosure, I have a NEC Renascence USB 3.0 controller I use this with on an ACER laptop. Have been dealing with disconnect issues if I oversaturate the connection, the enclosure will drop all the drives and you have to wait for it to bring it back online. I have upgraded the firnware on the NEC USB controller and drivers, it has lessened the occurrences but I can still cause it if I try.

Another thing that may annoy people are the automatic drive powerdown settings, after 15 min if a drive isn't being used it will be powered down. If this annoys you go to the Mediasonic forums and request that it be disabled, they will send you a special firmware to flash and it will disable it.

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  • SHAYM P.
  • 10/18/2013 9:21:55 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsWorked well until failure

Pros: Fast enclosure when used by USB3.0 or using a separately purchased eSATA port multiplier PCI-express card (I use the Mediasonic ProBox HP1-SS3 PCI-Express 2.0 x1).

Cons: Newegg was helpful when I could not get a response from the manufacturer to repair the device under warranty when it started to shut off at random times.

Fans are loud unless on low.
If using eight 7200rpm drives, it is better for the drives to just put up with the noise.

Other Thoughts: Only the failure of the manufacturer to respond to my requests for warranty repair prevents me from recommending this device.

Did you find this review helpful? Yes No

  • Donna E.
  • 10/16/2013 11:54:32 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks As Good As Advertised

Pros: I run a digital forensics business. The locking front is nice. I process extreme amounts of data and it has to be FAST. I also need to be able to swap between servers using USB 30 and eSATA. For what I needed, (speed, security, ease of swapping HDDs) this tower gets it done. One of my better investments. :)

Cons: Can't think of any... I tried. :)

Other Thoughts: Thru put from HDD to CPU is going to be determined by how fast your CPU is. However, I can transfer 50GB of data under 5min easy. So, that tells me that this machine's throughput rate is very high.

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

  • John G.
  • 7/5/2013 8:09:55 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsI will buy another

Pros: holds 8 hard drives wow!!! i filled it with EIGHT 4TB drives. 32TB total Space Almost. great cooling.easy to set up or shal i say for some of us.Has a lock on it!!! My Dirty Filez Are now safe!!! usb 3.0 turbo baby works great good speeds transfer wise. I am so happy i am going to buy another one. just so i can leave another WOW review.

Cons: none zero nada zilch. if you have a con with this well you all ready know what to do. 86 your self

Other Thoughts: i wish it had red lights !!!!!!!!!!!!!!!!!!!!!!!!!!!! match my computer case that is all

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

  • John R.
  • 2/28/2013 8:05:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood enclosure, not ideal for a media server

Pros: Excellent performance, quiet active cooling, efficient power use, makes it possible to put all those drives sitting around to use whenever you want. I have never had the drives drop off using a 2012 Mac Mini and USB 3.0.

Reading reviews there seems to be a lot of confusion about that this housing does with drives. It is NOT RAID and does not combine (span) the drives, but depending on your system you can do those with the OS. Spanning selected drives with the Mac OS works great.

Cons: I really only have one "con", which could also be a "pro" depending on your purpose. The enclosure puts the drives to sleep rather quickly when they are idle. This is great for a lot of cases where you have several drives installed which are only occasionally accessed, but my primary intent was to use this as a media server.

FWIW, I am using a 2012 Mac Mini Quad Core with iTunes defaulting to save to multiple drives which are OS configured to span as one volume. The issue is that when the drives go to sleep it causes problems using them to store media. First, you always have to wait for the drives (and sometimes successive drives) to spin up before the piece of media you want becomes available. Second and more importantly, iTunes seems to often believe the drives simply aren't available and starts refusing to save new content until the computer is restarted. I also suspect all the spinning up and down isn't good for the drives in the long run and with this particular use it would be better if they ran all the time.

Other Thoughts: Prior to getting this enclosure, I was using a 4 bay Vantec HX4 enclosure to house the media drives. With it the drives never spin down unless the computer is shut off, which works much better for the use I described above. I still have a lot of drives, some used to backup my critical content, including a full backup of the spanned media drives. So, what seems to have been my best solution is to use the Vantec enclosure for the media drives and this one for backup drives (I just un-mount them so they will spin down and not clutter the desktop when I don't need them) as well as some other drives which only get sporadic use, so they will automatically spin down when they aren't needed, which is most of the time.

It's probably also important to say I am using Samsung green drives for media. Some non-green drives may not spin down, but I also have several other non-green drives in this housing and they all spin down.

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

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Item#: N82E16817576012
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