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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
  • Email this page
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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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  • Rigo C.
  • 1/26/2015 1:38:26 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsWorks well for intended purporses.

Pros: esata and USB 3.0 connection
8 Bays

Cons: Doesn't hold 2.5" drives, also comes with no adapters for 2.5" drives.

Other Thoughts: I have both the raid and non-raid version of this enclosure. Each of them their have pros and cons. Which I don't think is clearly stated. The non-raid version is only going to give the option for 8 individual drives. There are software options if you want do any mirroring, spanning, and or parity. But the box itself does not do any of these functions. This is a good enclosure if you plan to use different drives and store data on certain drives.

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  • Michael S.
  • 1/2/2015 5:57:32 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsEnticing but underperforms

Pros: It has 8 bays and the price was right

Cons: I couldn't get it to recognize on my W8.1 system and after several hours in the attempt, I returned it. Website and documentation are dismal.

Other Thoughts: I was excited to give it a try, but ended up losing on the RMA.

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

  • jeff p.
  • 12/4/2014 2:16:34 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsBought for NAS

Pros: Recognized a very wide variety of HDD's and SSD's. Easy setup, nothing to configure. Actually getting the drives recognized the first time required some drive shuffling, but was a relatively painless experience. PC I plugged it into does not have a SATA controller capable of port multiplying, but no issues recognizing all bays via USB3. As it turns out, USB3 interface is faster anyway.

After populating bays and using a PC to initialize and format the drives, I then plugged it into a Linksys WRT1900AC via eSATA where it recognized all volumes and published them without any additional configuration. File transfer speeds from PC's connected via local gigabit, 3ghz and 5ghz WiFi were identical at around 45mb/s peaking at 50mb/s. Strangely, connecting this to the WRT1900AC via USB3 didn't recognize all the volumes. Works out anyway as I leave this connected to the PC via USB3 and the router via eSATA.

Cons: While this unit is well built for what you get, and very reasonably priced compared to synology, qnap, etc - you aren't really getting alot for what you're paying. With the 4bay version of this regularly selling for under $100, there's no reason to not go that route instead unless you have to have more than 4 drives and only one port to connect them to. Neither data link to this device will allow read/writes from multiple drives concurrently; looks like they take turns round robin; setting up a software based raid via drive manager, or StorageSpaces might make managing storage easier by reducing the number of volumes, but there will be a bid hit to performance compared to drives on their own SATA ports for obvious reasons.

Other Thoughts: It's not a true NAS, doesn't have any RAID, not fast enough to want to run as a Windows Storage Space DAS, neither USB3 or eSATA port multiplying have enough bandwidth to concurrently access all drives simultaneously, It's brilliant for what it is; a simple box to power and cool all your extra drives, *perfect* as a NAS expansion if your router supports it!

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

  • Robert L.
  • 11/8/2014 1:02:58 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsNice quiet and solid unit.

Pros: Running Windows 7, using USB3 native from the motherboard, running 8 hard drives of different types and sizes.

Cons: Some hard drives like to "spin-down" that are in the enclosure. I have one WD "green" drive that does this. When I try to access the unit, sometimes I have to wait for the "green" drive to spin up.
Only blue lights! If something "goes"...does it change to red? (Don't know!) So, always "seeing" blue lights, looks like everything is fine. Different colors would be great.
Box label says that it supports Windows 8, but the enclosed "quick guide" does not say it supports Windows 8.

Other Thoughts: Before placing the hard drives in this unit, format and assign drive letters for each drive. One of the drives had information on it that I did not want to loose it by formatting, so it was not formatted and worked fine in the unit.
Recommend using a hard drive monitoring program to keep the drives in check like Hard Disk Sentinel.

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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.

1 out of 1 people found this review helpful. Did you? 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...

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  • 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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Item#: N82E16817576012
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