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Mediasonic > 
Item#: N82E16817576001

Mediasonic HF2-SU2S2 3.5" Black SATA I/II USB2.0 & eSATA Pro Box 4 Bay Enclosure

  • 3.5"
  • USB2.0 & eSATA
  • Up to 3TB
  • Email this page
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Learn more about the Mediasonic HF2-SU2S2




AC Adapter
Internal Interface
External Interface
USB2.0 & eSATA
Maximum Capacity (per Bay)
Up to 3TB
Note: Motherboard's SATA port MUST support Port Multiplier in order for your computer to recognize multiple hard drive if the unit is connectd via eSATA.

Bridge Chipset: JMicron JMB321

Supporting OS:
Windows 2000 / XP / VISTA / Windows 7
Mac OS 10.3 or later

Safety Specification: CE / FCC / Rohs
Support all 3.5" SATA I / II / III hard disk drive up to 3TB per bay

Transfer rate up to 480Mbps via USB 2.0

Transfer rate up to 3.0Gbps via eSATA

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 2.0 or eSATA interface by pressing one button

Dimensions & Weight

8.46" x 4.96" x 6.54"
3.97 lbs.

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


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

Customer Reviews of the Mediasonic HF2-SU2S2

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  • Reyyan A.
  • 10/28/2014 9:07:48 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year

4 out of 5 eggsLasted for over 3 years

Pros: Competitive Price
Good Looks
Works as expected when you know what you're doing
Auto fan speed (fairly quiet at the lowest setting)

Cons: Abysmal User Manual (a simple leaflet)
Ditto for customer service (no support tel# on their website, late and incomplete replies on the support forum)
Awkward drive bracket and front cover
Replacement boards are not publicly available, you have to struggle to get one

Other Thoughts: I used this box for about 3 years, 24/7, connected through an eSata cable, it just recently failed and the problem was the Sata backplane board. Instead of throwing the whole box away I decided to try and get a replacement board which required me to go through their support forum and when that wasn't enough by emailing the RMA department (yes they do have one!!).
They told me that they sent a few replacement boards to their Toronto office (which is just one very small unit in an industrial mall littered by computer and Mediasonic parts). I took my dead box there and the board was replaced in couple of minutes for $35 + tax
I can now get a few more years out of my USB2 box, but in the meantime I purchased the USB3 version anyway for my new HTPC.

I think for the price you get a pretty decent unit, not so bad customer support, but don't expect it to last for more than a few years especially if you use it 24/7 like I do.

If Mediasonic included a better user manual with more in depth info on the Sata controllers the user needs to use, they can avoid some confusion and low ratings due to user frustration. I have a rather high tech background but not all users are like that.

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  • Josh D.
  • 6/1/2014 6:01:47 PM
  • Tech Level: Average
  • Ownership: more than 1 year

3 out of 5 eggseSata doesn't work on Windows 8

Pros: The speeds are great when connected via eSata.

Cons: Very crippled when connected via USB. Smart data is only available for one of the four drives when connected via USB as well.
Managed to get to work with Windows 8 ONCE. I tried different sata drivers but no luck.

Other Thoughts: Would be nice if I could use the eSata on Windows 8. Makes it pretty useless if I need to backup a lot of data.

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

  • BRIAN W.
  • 5/17/2014 1:54:15 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsGet Extended Warranty

Pros: The product works exactly as advertised and is easy to setup.

Cons: I bought this enclosure in July 2 2012 and I must say it worked perfectly until May 10, 2014. While it's easy to set up, it's not worth the money because it's not durable. Don't you like me and be cheap because you get exactly what you pay for. In the event you decide to purchase this product anyway, make sure you buy a two-year extended warranty otherwise you will be buying a brand-new enclosure.

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  • Frank Z.
  • 2/13/2014 4:24:51 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsBeware

Pros: The concept of a 4-bay enclosure is nice if it works

Cons: Only worked briefly

Other Thoughts: This review comes after a couple of years. This worked nice for a while, but eventually wouldn't read all the drives even though they worked in other enclosures. Works better in external SATA than USB: reads one out of four drives in SATA, won't recognize properly in USB. I'd steer clear of this.

1 out of 4 people found this review helpful. Did you? Yes No

  • Ron F.
  • 12/7/2013 12:32:47 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice Unit. Working great in my application.

Pros: Good solid external enclosure.
Easy to set-up.
Looks good sitting on the shelf.
Does what it says it will do.
Power synch with host PC.

Cons: There are a lot of rather bright lights on the front. However, the only ones that are distracting, as far as I'm concerned, are the four that run horizontally to the right of the power button. Those lights indicate activity on the drives and they flash as the drives are accessed. This can be distracting when the room is darkened for watching a movie and the movie is on one of these drives. I'm definitely going to find a way to dim those lights a bit.
The power connector being on the side of the box is a bit unusual, though it hasn't caused any problems for me. I think this would be less problematic if they had a compact 90 degree connector rather than a connector that sticks straight out the side of the unit.

Other Thoughts: Earlier this year I built a really nice HTPC and though it had two 2TB drives built into the unit it became readily apparent I was going to need more storage space. Also, I decided it would be a good idea to set up a RAID array of some sort so I didn't have to rely on hard-copy backups of the files on the storage drives. I chose this external enclosure primarily for it's power synch capabilities.
So, I installed four WD 2TB drives, hooked it up to my HTPC via esata using a Star Tech esata card that supports Port Multiplier, then, using W7 software set up three 2TB RAID 1 arrays ( including the two 2TB drives in the HTPC). Everything worked together flawlessly and I'm quite pleased. Couldn't ask for a better outcome.

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  • Paul P.
  • 10/16/2013 5:23:10 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsPros and cons

Pros: Has esata connection and provides all necessary cables. Good quality at a good price.

Cons: I couldn't place 4 of the drive bay screws since I had sold it. Wanted replacement parts - just the screws but directed me to their web store where the screws can only be purchased with the drive bay bars. $13 or so with shipping for screws! Very irritating customer service. Also, if reselling, you'll get bids for near 45% of the original purchase value. For me, I'm going to avoid Mediasonic.

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

  • Jay N.
  • 9/21/2013 6:59:20 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsHigh hopes dashed

Pros: Cheap, fan on off switch, usb 2.0/esata. Easy to install drives. Good looking.

Cons: Arrived broken. Feel of enclosure was cheap plasticy. Front door was flimsy. Drive bay seemed a bit too big, drives did not fit snuggly.

Other Thoughts: If you have a working one, probably a decent solution. Having arrived broken, I have concerns for longevity of hardware so going to just return it.

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

  • Kim R.
  • 6/11/2013 12:27:04 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsExcellent enclosure

Pros: Works great. All drives are easy to locate. Setup is straightforward. Performance has been fast and solid.

Cons: Front door falls off too easily. Lights are too bright

Other Thoughts: Bought this to extend an old Mac Mini to a small home server for media and files. Using 3 2TB Green drives. Runs quiet, cool, and steams beautifully. Definitely going to grab another one of these when I get around to it.

Some people mentioned the cord being on the side as a con. This is not an issue for me. It's flat and sticks out about 2.5, maybe 3 cm (1/2") on the right from the front. It's not in the way, but I figured I'd bring up a little more info on why it may bother others.

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

  • Jason B.
  • 4/18/2013 11:57:46 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsGood Enclosure

Pros: The build quality on this enclosure is good, all of the drives fit securely. Keeps green power drives quite cool, works over USB 2.0 and eSata.

Cons: The power cable for this enclosure is on the side which makes it difficult to place if your workspace is at all crowded. It does not always recognize drives properly over USB 2.0 and requires a port multiplier to recognize multiple drives over eSata.

Other Thoughts: I had 4 WD 1TB Green drives running in this for over a year and it worked great as a RAID 10 setup using my port multiplier RAID controller. The raid controller card (in my system not the enclosure) failed and I had a difficult time getting the drives to show up on USB 2.0. Luckily I had just backed up the data on the array to a 2TB single drive.

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  • Eric L.
  • 4/7/2013 11:22:33 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsTop Notch Quality & Value

Pros: 4 bay with support for 2tb drives
esata 3gbps
solid build quality
excellent price
Easy to swap out drives

Cons: usb 2.0
could have better ventilation
far too many BRIGHT blinking leds, you can either live with it, tape over it, or disassemble and unsolder/break of the smd leds, but its not a big deal.

Other Thoughts: Have owned this enclosure for over a year now, and am very happy with it. A few cons, but overall never had any problems, and its worked perfectly with any drive i've thrown at it, including 2.5" satas for temporary transfers without having to open my tower case.

Make sure your esata controller is port multiplier compatible, usb 2.0 is too slow for sata drives imho.

5400rpm drives work well in the enclosure and stay cool, but you may want to beef up the fan or mod the enclosure if you want 7200's. 10k's prob would bottleneck at the 3.0gbp speeds, and overheat if you tried any kind of raid setup. Old velociraptors (sata II) you can get away with, assuming you only put one or two in the case and add another fan up front.

Overall, its a great enclosure. For the price its a good deal, especially considering its build quality. Backup/jbod storage is where this excells, but for speed freaks who want to raid up 7200 or 10k drives, you may want to look elsewhere. Not a con though, its not designed for that application. SATA II is more than enough for fast raid speeds with a few 5200 rpm drives in raid 0 or 1. Anything above that will hit a bottleneck and you need a sata III enclosure/controller.

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Item#: N82E16817576001
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