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Item#: N82E16817576009

Mediasonic HF2-SU3S2 3.5" Black SATA I/II/III USB3.0 & eSATA 4 Bay External Enclosure

  • 3.5"
  • USB3.0 & eSATA
  • Up to 4TB
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The Mediasonic HF2-SU3S2 Pro Box is a 4-Bay Enclosure for 3.5" SATA I/II hard disk drive. It supports four HDDs of different brands and capacities up to 4TB per drive. Dual eSATA and USB 3.0 external interface enable a blistering fast data transfer speed of up to 6Gbps and 5Gbps respectively, and switching between USB and eSATA is as simple as pressing a button. (Motherboard's SATA port MUST support Port Multiplier in order for your computer to recognize a multiple hard drive if the unit is connected via eSATA)

  • newegg HDD X 4 Supported The Mediasonic HF2-SU3S2 Pro Box supports up to four HDDs in a single unit, with a capacity of up to 4TB per drive, providing an amazing solution for transporting data or backing up your system.
  • newegg Dual Interface Support The Mediasonic HF2-SU3S2 Pro Box supports the eSATA interface for an ultra-fast data transfer speed of up to 6Gbps and USB 3.0 interface to achieve an even faster speed of up to 5Gbps. The one-button interface selection allows you to choose your desired interface by pressing just one button.
  • newegg Forced Convection Process The Forced Convection Process helps speed up the air circulation and heat ventilation to effectively cool the drive and whole system for stable operation and an extended lifespan.
  • newegg SMART FAN With a thermal-sensor built in, the Mediasonic HF2-SU3S2 Pro Box also comes with auto/manual modes and three levels of speed for best system cooling, as well as the perfect balance between thermal performance and noise levels.
  • newegg Power Sync The Mediasonic HF2-SU3S2 Pro Box will power off when the computer is shut down, reducing device wear and power consumption.

Learn more about the Mediasonic HF2-SU3S2

Model

Brand
Mediasonic
Model
HF2-SU3S2

Spec

Color
Black
Size
3.5"
AC Adapter
Yes
Internal Interface
SATA I/II/III
External Interface
USB3.0 & eSATA
Maximum Capacity (per Bay)
Up to 4TB
Fan
Yes
Specifications
Supporting OS: Windows 2000 / XP / VISTA / Windows 7, Mac OS 10.3 or later

Power Adapter: 100V to 240V

Safety Specification: CE / FCC / Rohs
Features
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

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

Dimensions
8.47" (D) x 4.96" (W) x 6.53"(H)
Weight
3.97lbs. (excluding hard drive)

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 Mediasonic HF2-SU3S2

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  • Curt C.
  • 12/19/2014 12:05:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsperfect for my needs

Pros: I just needed JOBD capability. I had no need for raid. I presently only have two 2GB HDD's installed , but they where recognized immediately and up and running. Unit turns off and back on again with computer...that's a plus. All LED's are blue which match my scheme.

Cons: Fan is too loud; even on low setting. It's louder than all 5 of my case fans put together. Will eventually install a better fan.

Other Thoughts: I am using the USB3 interface because using the eSATA only recognized my 1st drive despite my motherboard claiming my eSATA port supports port multiplier. Yes, I do have AHCI enabled in bios.

Did you find this review helpful? Yes No

  • Ricci R.
  • 10/21/2014 12:06:39 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsMakes a nice Media Server

Pros: Cheap. Appears to be well built. Works with Seagate and Hitachi 3 TB drives. the Porbox's onboard usb hub is recognized by my WDTV Live (3rd Gen).

Cons: Cooling fan somewhat noisy. JBOD only, no RAID. But for the price that's expected.

Other Thoughts: Bought this to use as an external media storage box for my WDTV Live (3rd Gen). Had been using four 3TB external drives thru an external usb hub previously. Installed the new 3TB drives into the probox. Hooked it up to a usb 3 port on my pc. Recognized all 4 drives (JBOD) with no problems on Windows 7. Very stable. I copied several TB's of data into the box with no drops.

After setup, I hooked the loaded probox to one of the usb ports on my WDTV Live. Like magic the 4 drives in the probox showed up as local disks and the WDTV was able to stream the files from the probox to the tv, including mkv files. But, after about 10 minutes the usb connection would be dropped. Tried it on multiple mkv files and they would drop eventually.

Went to the Mediasonic site to see if they had a firmware update for the probox. No such luck. Went to the WDTV Live site and found that my streamer box firmware was way out of date. Updated the WDTV firmware and have not had a dropped connection since. For my application (JBOD not RAID), this little jewel has worked out perfectly.

I have a Samsung F8500 plasma tv. Hooked the Probox into one of the usb ports and the TV's native OS displays all 4 drives individually and plays every file I have tried. Including both mkv and flac.

The only negative I have encountered is the noisy fan. It is not quiet. You do get used to it's presence and don't notice it eventaully. I opened up the probox case and inspected the fan, looks like a generic 100 mm case fan. No label or id visible. I was going to replace it, but now I'm used to the background hum. So I won't bother for now.

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

  • Reyyan A.
  • 10/20/2014 11:06:56 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsMediasonic HF2-SU3S2

Pros: Inexpensive compared to other options, Runs quiet, Looks good

Cons: - If it's not on a UPS and the power goes off, it does not turn back ON when power comes back (unlike the computer it is connected to), so if ran unattended, it must be on a UPS for continues operation.

- The electronic board (SATA backplane where the drives are connected to) is not replaceable. In fact it can be, as it's only held in place with 4 screws, had MediaSonic chose to sell the part separately. So if it fails you have the throw the whole unit away which is a shame and is wasteful.

- Mediasonic tech support (web forum) lacks professionalism and MediaSonic does not provide a phone number for support.

Other Thoughts: This is my second unit, the first one was a USB2 version (SU2S2) and lasted about 3 years before the SATA backplane gave up the ghost, Can't seem to get straight answers from them to my simple questions like "is a replacement board available". This time I bought the USB3 version and hoping that I can get a better service life from this one although I am not highly optimistic. Price is the primary motivation for me in buying this brand.

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

  • Howard M.
  • 7/25/2014 3:11:25 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsWARNING

Pros: NONE

Cons: This device does not recognize dynamic disks so be sure if you order this device that you have your data backed up. Thank goodness I did. You will have to reformat your disks to GPT. Windows 8.1 does not recognize this device either. I had to purchase some driver up software in order to use it. Get ready to see " Can't find Item" " Try again" and oh yea my favorite "does not recognize U.S.B". It took me the better part of two days to back up 12 T.B.'s of data.

0 out of 7 people found this review helpful. Did you? Yes No

  • Gabriel L.
  • 7/12/2014 8:18:04 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsThermals need improvement

Pros: Works good. Nice single drive throughput on both interfaces. No problems whatsoever setting up, it's quite easy. Price is good. Does not put drives on sleep/spin down, unlike a few other enclosures that ignore OS setting completely.

Cons: The metal plate on the front (one behind door) screws up the thermals on this device. After removing it, temps dropped 5 degrees C on all 4 drives with fan speed on 2. It needs to be modded in order to let proper airflow go through and still use it.
Although I managed to drop the temps by removing the plate, thermals could be improved. The enclosure has a hard time cooling 4 3 TB 7200 RPM drives by default. Before removing the plate, a single drive on idle would reach 46C and on load up to 51-52 C with the fan on full throttle. This led to all other drives having abnormal temperatures on idle (46+). After removing the plate, temps became a little more bearable, 45-46 for a single 7200 RPM drive on load with the others on idle resting at 39-41 with the fan on 2. Using the fan on speed 3 (slowest), yielded absurd high temperatures with the plate and still subpar without the plate.
The enclosure is fast, as long as one drive is on load. The moment you load two or three drives, the controller chip bloats and throughput goes down considerably, compared to other enclosures/external setups using a single eSATA or USB 3.0 line, even though the eSATA/USB 3.0 lines still have enough juice.

Other Thoughts: It's almost, almost tool less. If the enclosure had been made 2 cm thicker, it could have been completely tool less with a push to eject button. Would have been nice swapping drives without having to deal with two screws and a handle. Still beats a full tray though.

The 2 discounted eggs is because of the subpar thermals the device has.

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

  • Donald T.
  • 7/11/2014 5:30:28 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsOdd but Functional

Pros: + The device does work and supports multiple drives using a USB 3 interface.
+ The device sustains very reasonable speeds from what I honestly expected from the product.

Cons: - Did take a while to get functional (maybe an hour or two of messing around with it, before I became smart)
- Fan can be freaking loud, not really a con for me since I run a desk fan and my tower is like a jet taking off regardless.
- The eSATA interface didn't really want to work with me. I didn't play around with it much, but the device recognized it was plugged in by eSATA, Windows just didn't recognize it. I didn't check if my BIOS recognized it, however.

Other Thoughts: The device is very, very useful to me already. I only have two drives in it right now, and one is temporary, but I plan on filling it to the brim with whatever I can fit in it.
It did take a little playing around to get it to work. I tried using the eSATA interface that is on the front of my tower (my motherboard doesn't have an eSATA port), and it simply didn't work (yes, it was plugged in, etc). As well, using the front USB ports on my tower caused the connection to drop out, quite a lot. I since moved it to a USB 3 port on the back of my computer, that is part of the motherboard, and I've had no drop-outs since. It appears that the front USB ports possibly cannot sustain the drive enclosure, but maybe my tower just came with some weird USB 3 ports (because the ports work with everything else just fine).

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  • Eric G.
  • 7/3/2014 10:56:22 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsWorks as advertised. Louder than PC!

Pros: This Probox is a great solution for a 4-bay JBOD, and can do RAID through your controller if it supports port multiplying. I myself have an eSATA port built into my motherboard, but it does not support a hardware port multiplier; meaning my BIOS only detected ONE hard drive on slot 1 of the Probox; BUT, after downloading the proper chipset drivers, Windows 7 was able to detect all 4 hard drives installed.

A word of caution though, it seems that hot-swapping isn't available when you have an eSATA controller that doesn't support port multiplying at the hardware level (at least for my situation). Pulling out/installing drives while the system was running confused the heck out of Windows and it would just hang. I also lost an ENTIRE drive while testing this (luckily there was nothing important on it [steam games]). I'm sure on newer systems this shouldn't be a problem, though.

All in all, a great little unit!

Cons: On the down side, this unit is pretty loud, even on the lowest fan setting, and doesn't really provide any form of heat dissipation because there's not really any room behind the PCB to move air around. It's basically louder than my computer itself!

Other Thoughts: If you can live with a bit of loudness, this is a great unit and works as advertised. Supported all of my random brand/size hard drives without a hitch, although in my case, I MUST shut down the computer before removing/installing new drives for them to be properly recognized.

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

  • Ravi R.
  • 6/25/2014 2:29:36 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat HD Bay!

Pros: Well built.
Made in Taiwan not China and you can see the quality,
Built in Fan that controls the temperature and easily replaceable. And various fan modes.
Different sync modes.
eSata and USB 3 connectivity.

Cons: None really so far. Had it only for a few days.
The electrical plug is 5 pin instead of two pin.

Other Thoughts: I was struggling with the Toshiba Canvio external desktop drive (USB 3.0) with my new Dell Precision T3610. The drive kept disconnecting and the hard disk was not even readable by Windows 8.1. I suspected that USB interface in my Dell was the culprit but then I chose to buy this item and see if it makes any difference.

Have been running it for a few days and no issues. I actually broke open the Toshiba Canvio 3 TB drive enclosure and pulled out the drive (DT01ABA300) and stuck it into this unit and it works like a charm.

By biggest fear is USB getting disconnected as many have wrote in their reviews. The USB 3 controller on my Dell is made by Renesas and I did a clean install of Windows 8.1 Pro with all the drivers.

So in the worst case USB 3 connectivity is flaky I can always buy a eSATA PCI card and go that route.

All in all a great unit.

Regarding the door that many complained about. Its not an issue at all. The door is designed to come off ONLY if you open it all the way down. It is designed to come off so that it becomes easy to install the 4th HD in the bottom. The door has small notches that slide into the tabs in the bottom. Slide it in, pull the door all the way up and its snug fit and wont come off.

Did you find this review helpful? Yes No

  • Min H.
  • 6/24/2014 10:13:40 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsnot bad.

Pros: It is working with 100~150MB/s via USB3.0

Unit powers off automatically after PC shuts off.

Cons: But this is not what I expected since eSATA port is defective and causing my whole system freezes after 30 sec use. It may be just my bad luck. I can't even return this thing because I already tossed empty box and stuff into trashcan a week ago after confirming that it is working with 2x4TB HDDs for 10 sec.

Unit will not power on by itself while PC is on. You need to push the button to use.

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  • Philippe L.
  • 6/19/2014 6:10:22 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat product!!!

Pros: Very easy to setup and compact compared to my 5 bay Sans Digital TowerRaid 5

Cons: The AC Adapter is placed to the right of the enclosure instead of behind it, can get stuck in other cables.

Other Thoughts: Would have bought another one of those instead of the Sans Digital enclosure I bought, its a lot more expensive and it comes with an eSATA raid controller that is always disconnecting.

Did you find this review helpful? Yes No

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Item#: N82E16817576009
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