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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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  • 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 3 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.

Did you find this review helpful? 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.

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  • 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.

Did you find this review helpful? Yes No

  • 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

  • terry r.
  • 6/17/2014 11:37:52 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsPerforming flawlessly so far

Pros: Had everything needed to get up and running, including screws and a screwdriver to attach the drive handles to your HDD's. Easy peasy getting it hooked up and installing a couple of drives. I stuck 1 1TB used drive in bay 1 and a new 1TB drive I ordered with this enclosure in bay 2. I don't have E-sata on the PC I'm using this on so I went with the USB3 plug provided. I am getting a sustained transfer rate of 30-35MB per second which comes to a bit over 2GB per minute. I performed a mass file copy in Windows to drive 1 of the Mediasonic probox of 1,500,000 files totaling 898GB in size. It's been about 6 and a half hours now and the dialog box shows about 1 hour remains before it is finished.

Cons: It wasn't free and won't cook me dinner? No really, I can think of no cons to be honest. I got a good price on it with fast delivery (Thanks Newegg!) and the hardware seems pretty solid.

Other Thoughts: I have experienced zero problems so far with random dismounts like many other reviewers have complained about. Either the hardware I chose for my system is just THAT good, or Mediasonic perhaps fixed the USB controller chip issues.My system specs are as follows:
ASUS M578L-M USB3 with latest BIOS (1801)
AMD FX 6200 6-core CPU over clocked to 4.10ghz
OS drive is a Samsung EVO 830 SSD 64GB SATA III (connected via SATA II though)
12GB of 10667khz DDR3 ram
Cooling via a Corsair H60 hydro series pre-filled water cooling unit. and 1 80MM fan on the radiator and 1 80MM fan on front of a Media center style case about the size and shape of a very small microwave oven.Temps under load run 135F -150F on average and I keep my pc on 24/7.
Oh and I'm using the ASMedia USB controller driver and software that came with the Motherboard.
Lastly, I'm running Win7 with all security updates installed but nearly NO other updates. (I distrust windows and Bill Gates VERY, VERY much and refuse to clog my system up with tons of worthless updates.)

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  • Anonymous
  • 6/2/2014 6:11:10 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Works as advertised.

Cons: None yet; not enough usage.

Did you find this review helpful? Yes No

  • Blake R.
  • 5/22/2014 12:32:13 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

2 out of 5 eggsAwesome till the end.

Pros: 4 bay device, even after the power supply short-circuited, it can run still, but at half of the performance. Supports 4tb drives with a total of 16tbs. Feels well built and cools itself more effectively than my Vantec HX4 and less heat comes out of my Mediasonice HF2-SU3S2.

I love how I can enclose the drives in the probox and I love that it has USB 3.0.

Cons: Got this last year on December 15, 2013 and now the power supply short-circuited itself. Horrible support (I feel like I was being a bit ignored and I got someone who writes poor English and understands very little of it in the process). Both my Sync and Interface buttons do nothing. Its just like any other basic bay device in terms of having problems when transferring data between drives in device.

Other Thoughts: Honestly I loved this product when I got it and it worked strong following the use I had it. I had two mediamax 2tb (e-bay seller of non-name brand HDs) hard drives, and two Seagate 3tb hard drives in this bad boy and I never worried about those drives or the unit. It was built pretty tough and all the parts needed were included (unlike that for my Vantec HX4 4 bay drive). I honestly would of written a good review if it weren't for their lack of customer service, which can't understand my messages and reply with broken English that is so horrible I can't even understand it.

Overall this has been a great product for me even though it has failed horribly and I can't get a straight and clear answer from customer service.

It may be worth the shot to buy it, as it does what I needed and may for many others, but expect it to fail as mine had and be wary when facing their customer service.

Finally I would buy a 8 bay from Mediasonic, if I could count on their customer service as well as their products to be more reliable. I'm just happy though my drives still live after my probox failed.

I gave this 2 out of 5 eggs because of customer service and its reliability as it didn't last even for a year.

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

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