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Item#: N82E16816322001

Mediasonic HFR2-S3B RAID 0 / 1 / 3 / 5 / 10 4 3.5" Drive Bays USB 2.0 eSATA Firewire 400 (1 Port) Firewire 800 (2 Port) PRORAID Box 4 Bay Raid Enclosure with USB 2.0, eSATA & FireWire 400/800

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  • SATA 3Gb/s
  • 4 3.5" Drive Bays
  • RAID 0 / 1 / 3 / 5 / 10

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Getting the flexibility of external hard drives combined with the security of a RAID array has never been easier! Mediasonic’s HFR2-S3B accommodates four 3.5’’ SATA I/II hard drives, and each drive can be up to a whopping 2000GB. It connects to your PC with Windows or Mac OS through hot-swappable USB 2.0 or eSATA connection as well as FireWire 400/800 ports.

You will never need to worry about your hard disk drive malfunctioning with the RAID technology. The Mediasonic HFR2-S3B integrates a hardware RAID controller to support RAID 0/1/3/5/10 configurations while reducing the load of the server. A RAID control button makes the setup easy. A smart fan with auto/manual mode and 3-level speed combines with the built-in thermal-sensor to keep the drives cool and running at peak levels.

  • newegg Four-Bay Hardware RAID The Mediasonic HFR2-S3B supports four 3.5" SATA I/II hard drives for superior expandability. Built-in hardware RAID controller eliminates OS compatibility issues and reduces the load of the server.
  • newegg RAID Function The Mediasonic HFR2-S3B supports multiple RAID modes including RAID 0, 1, 3, 5 and 10 to ensure data integrity.
  • newegg Multiple Interfaces The Mediasonic HFR2-S3B features USB 2.0, eSATA and FireWire 400/800 interfaces to provide best transfer rate and best compatibility. Transfer rates can reach up to 480Mbps via USB 2.0; 3.0Gbps via eSATA; or 800Mbps via Firewire 800.
  • newegg Built-in Fan and Thermal-Sensor The Mediasonic HFR2-S3B features an intelligent fan with built-in thermal-sensor for increased overall airflow and heat dissipation to ensure drive stability.

Learn more about the Mediasonic HFR2-S3B

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Mediasonic HFR2-S3B

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  • Stephen G.
  • 5/23/2015 8:45:42 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: No issues after five years

Cons: None

Did you find this review helpful? Yes No

  • John T.
  • 10/5/2011 6:42:59 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Addition to Media Centre

Pros: I love this. I have filled it with 4 3TB Drives. Yes 3 TB. I contacted the company and they told me that it will work with 3 TB drives. So I have 12 TB that I have dedicated for my media centre.

I do not hear any fan noise, even when there is nothing else running in the room. As it is part of my Media Centre, I am not sitting right beside it.

Was supper easy to set up. The Firewire works great with my Mac Mini. I even have an additional 3 TB external drive hooked to it through a Firewire connection. I have left my iTunes data on this external drive. Everything works perfectly.

I had no problem setting up after reading the instructions on the included disk a few times.

Also works great in my network, as my Mac Book has no problem connecting to it through my WIFI.

Cons: None really. Yeah the 2 TB limit in the posted documentation was a little annoying, but this was probably produced before 3 TB drives were around,

Other Thoughts: Since I have connected the external drive through the Firewire connection into the system, I am now going to buy a second one to connect the same way. Of course I really do not need another 12 TB's of space, yet. But I want to see if daisy chaining them will work. Plus buying the unit and drives when I don't need them will allow me to spread the cost out, or wait till things go on sale.

This drive system has been great for my media centre. Its big, quiet, easy to set up, affordable and works.

The media centre consists of a Mac Mini running Plex and iTunes. The data travels through an Onkyo receiver through HDMI cable. The system has Kef speakers in a 7.1 configuration. The display is a 47 in monitor / TV flat screen.

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

  • 6/13/2011 8:11:07 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSatisfied with RAID-10 Enclosure

Pros: Small, quiet and platform independent. I bought this enclosure on sale from NewEgg for $119.99 Jan/2011. It had "RAID 10" (not RAID 0+1) which was what I was looking for. Most of the other 4-Disc enclosures were usually RAID 0+1. All of the other "RAID 10" 4-Disc enclosure sold for $199 to over $300. I'm using it with a Mac and it only took a few minutes to set up with the Mac's "Disc Utility". I would recommend downloading the instruction book from Mediasonics web site (though its pretty week) because the included instruction sheet is almost useless. Their's also a few You-Tube video's which I found helpful. Its being used with four 2-TB Hitachi 7200 RPM HD's in RAID 10 hooked up via Firewire to store my EyeTV captures in HD. The enclosure cools the drives just fine and the fan is vert quiet. Its also built like a tank.....very heavy. As I said its platform independent so you don't need a RAID card to get RAID, simply load your drives, plug it in via USB or Firewire then format it.

Cons: Doesn't accept 3-TB Drives only 2-TB or smaller. The blue light show it emits while being accessed may annoy you if set up in a darkened room. Its included instruction are weak and the instructions on Mediasonics web site could be better. Search You-Tube for a couple of videos on how to set it up. Their very helpful.

Other Thoughts: Great deal if you catch it on sale. I'm waiting on a sale so I can buy another.

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  • Greg S.
  • 5/26/2011 11:06:56 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsNo auto power on after power failure

Pros: Device is compact and has great connection options.

Cons: Won't work in server configuration as device will not power on after power failure.

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  • Ernesto B.
  • 4/25/2011 6:01:47 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsNetwork Drive

Pros: Easy to set up, quick to format on mac system

Cons: The fan is a little noisy, but otherwise none

Other Thoughts: I bought this unit to use as a network drive over an Airport Extreme. I was a little worried that it wouldn't work, but my macbook pro recognized it without a problem. I have it set up with 4 2TB Samsung drives on a Raid 1+0 set up. I tried to get Time Machine to back up over the wireless to the network drive, but I have had no success.

Overall, a great buy.

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

  • Bill D.
  • 4/20/2011 2:06:54 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat Little Box

Pros: Small size enclosure
Cool and Quiet
Can't argue with the price

Cons: Raid 5 apparantly not supported for WD20EARS 2TB Green drives

Other Thoughts: I intitially set the box up with a RAID 5 array, but I kept getting an failure messages with one of the WD drives. I switched it to a different bay, same message, so I exchanged that drive. Fairly quick procedure to accomplish, then I reset the mode, formatted again, and I was good to go. But then I got another drive failure light. Checked with Mediasonic and they pointed out that the WD20EARS is only designed for RAID 0 or RAID 1. So I set up a RAID 0 array, and went from under 6TB to more that 7TB, with speeds of up to 130MB/S. The downside of that arrangement is that when the first of the four drives fail, I lose all data in the array. I am therefore not putting any critical data on the device: only imaging my DVD collection and recorded shows.

I could switch to enterprise level drives, but, given the substantial cost in doing so, I cannot justify that expense: it would double the cost of the 20EARS

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

  • Wei Z.
  • 4/3/2011 6:21:19 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggs

Pros: small, quiet, affordable

Cons: lack of support. the disk is a bit hard to slot in properly. take long hours to format the device (in my case, took a few days to format a the array built with 4 WD 2TB disks)

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  • Albert Y.
  • 3/11/2011 8:32:47 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsGlitch in setup process

Pros: Once it was set up, it worked like a charm. I took advantage of the free 2TB Samsung HD deal and bought another 3 for a total of 8TB. Setting it up as a RAID5, I have 5.45TB which is about right since I understand you lose about 1 HD's worth of space in this mode.

Cons: Tried setting it up using an eSATA connection initially and it only showed 1.45TB of space despite having 8TB installed. Couldn't figure out why until I read a review somewhere that setup might not work using eSATA so switched to USB, got it recognized then went back to eSATA for a final format. Strange. If not for this glitch I would've given it 4 eggs.

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

  • William C.
  • 3/11/2011 7:49:48 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks Great in Linux (with proper setup)

Pros: I bought this unit because of the great sale price & the fact that it works will Windows, Mac OS, and Linux (though linux isn't documented). It's very nice that it has connections AND cables for USB 2.0/eSATA, & Firewire 400/800. RAID type was very easy to set up. The unit is very solidly constructed.

Cons: The documentation for the jumper settings were a little confusing because the picture & the arrows explaining switch placement do not match up. If the jumpers are not set properly, extra drives will show up as error/failed.

Other Thoughts: Once the jumpers were set up properly, the unit plugged into my iMac running OS X 10.6 and worked perfectly via Disk Utility. I plugged the unit into 2 Linux (CentOS 5/RHEL5 -2.6.18 kernel) machines and via USB I was only able to see the unit as 2199GB (it should have been 6TB - 4x2TB at RAID 5). This may have been a USB issue or my machine hardware issue. When I plugged it into the second linux machine via a Rosewill Silicon Image RC-209-EX PCI External e-SATA card it saw it as a 6TB volume.
The trick to getting this to work under linux is using the parted utility instead of fdisk. Here is the procedure that worked for me:
as root: 1) fdisk -l to see the drive letter assigned to the unit
2) parted /dev/sdN <- N being the drive letter assigned
3) mklabel gpt <- you need GPT to see volumes larger than 2 TB - other types work, too
4) mkpart primary 0 6001G <- I wanted 1 large partition - this can be any size
5) quit
6) mkfs.ext3 /dev/sdN1
Mount the drive & edit /etc/fstab

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

  • Joseph L.
  • 3/3/2011 8:34:04 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsLove it.

Pros: Much smaller than I thought, not particularly loud with fan on automatic and disks being accessed aggressively (moving numerous TBs of files to them right after adding to Windows 7 64bit Pro).

Installation was very easy, the provided mini-screwdriver was a nice touch and helped me get everything setup without diving into my toolbox.

Handles the 4 x 2TB Samsung's without issue. Need to read on the site to ensure you get everything working properly as the provided documentation was virtually non-existent.

Dip switches in the back under a plastic cover tells the system how many disks are attached. When you add this to windows 7, I had to initialize as GPT to have the full 6TB Raid5 space appear. From that point on, its been wonderful.

Cons: I'm using USB at the moment which is slow even if you set the device for performance in Windows (where you need to use the "Safe to remove device" function) instead of being able to just unplug the usb device safely without any further action. Getting an actual transfer rate of about 8MB/s.

Looking to add a Mini PCIe esata or firewire 800 card to get better speed out of this. The HTPC its attached to is an Ion with a tv card already using the 1x PCIx slot.

Other Thoughts: Bought this on special for $199.99 including 2TB Samsung disk include. I bought another 3 matching Samsung 2TB disks to go with it.

Will handle 3TB disks according to the site.

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

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