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SIIG, Inc > 
Item#: N82E16817270017

SIIG SC-SA0412-S1 2.5" & 3.5" Black USB 2.0 Dual Bay external docking station

  • 2.5" & 3.5"
  • USB 2.0
  • Up to 2TB
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SIIG's Cool Dual SATA to USB 2.0 Docking features two hard disk drive docking bays to support 2.5" or 3.5" SATA drives along with a built-in cooling fan for lowering operating temperature to extend hard drive life. It supports Hi-Speed USB 2.0 data transfer rates of up to 480Mb/s, SATA I/II (150/300) hard disk drives, SATA II hot-plug, SATA II NCQ, plug-and-play and is hot-swappable for instant connection and removal without first powering your system off. Simply connect the Cool Dual SATA to USB 2.0 Docking to an available USB 2.0 or USB 1.1 port and enjoy fast data transfers and super convenient storage expansion that this smart tool brings to you.

The Cool Dual SATA to USB 2.0 Docking is fully compliant with USB 1.1 and USB 2.0 specification and comes with a USB 2.0 cable, 5V/12V (2A) AC adapter, and comprehensive user's manual. It is also fully compatible with a wide variety of Windows and Mac OS operating systems and is backed by SIIG's limited 2-year warranty.

Learn more about the SIIG, Inc SC-SA0412-S1




2.5" & 3.5"
Internal Interface
External Interface
USB 2.0
Maximum Capacity (per Bay)
Up to 2TB
Supports SATA 150/300, SATA II hot-plug and NCQ

Power - DC 12V/5V 2A

Supports Hi-Speed USB (up to 480Mbps)
Two hard drive docking bays

Plug and Play - no additional drivers needed

Supports Hot-Swap

Silent cooling fan extends hard drive life by lowering its operating temperature


Operating Systems Supported
Windows 7 (32/64bit) / Vista (32/64bit) / XP (32/64bit) / Server 2003 & 2008 (32/64bit) / 2000 sp4

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 SIIG, Inc SC-SA0412-S1

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  • Wade L.
  • 5/1/2014 11:56:21 AM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsPretty Decent

Pros: Does what it should. I have 4 of these, 3 which have been in use over a year.

Cons: The power button will wear out. If one of these fails on you, it will probably be that button. It will eventually start sticking and you have to pull it out in order to push it back in to turn the device on.

The fans.. I'd rather have my drives run a little hot than listen to the fan noise all day. I only use WD Green 2TB drives in the (store my BD collection on them), so heat really isn't a problem

Other Thoughts: Best of all the docking bays I've used so far, and that covers a few different brands. Been very reliable.

Did you find this review helpful? Yes No

  • John K.
  • 6/16/2013 8:43:48 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsGreat Product for the Money

Pros: Dual Bay

Cons: Bright Light but...

Other Thoughts: Read LadyCuddles review below. I'd have to agree with everything she wrote. I bought mine locally about a month ago (found it here but needed it that day) after I started experiencing some flakiness with my on-board SATA connections. Works great. Slapped in two WD 640GB black data drives that I'd pulled and they went right back to working well as always. Yes, the front light is bright but I have the unit sitting sideways. You could also dim it with clear tape or nail polish or.... The fan is there but normally not too noticeable and I work from home. Mine's about two feet away right now and it runs around the clock, same as my computer. I'm not switching out these two drives with others so the powering down doesn't bother me either. I use an internal hot-swappable front-bay unit for other drives that I need to switch out more often. Solidly built, good price for a dual bay unit (even better when it's on sale!), worked right out of the box. Great for most anyone unless you want/need an absolutely silent work area or can't figure out a creative way to dim the light and/or you're swapping out drives every hour and even then, the process only takes a few extra seconds.

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  • Casey H.
  • 12/28/2012 9:30:42 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsNice Docking Station

Pros: I bought this docking station, one for its price, two for its ability to handle up to 2 2TB SATA drives, and lastly, three because I wanted just a USB connection. Some docking stations have more connections, like having both USB and eSATA cable connections, but I didnt need the higher speed. I have to agree the fan noise is noticeable, but as I only have had it running for a day now, its really not that loud. If you have a monster gaming desktop computer case, along with all the extra cooling fans, you may actually have more fan noise coming from your case than this device. I also need to agree with the LED brightness. I have two Fantom external HD cases (which have blue LEDs) and both a Logitech blue back lit keyboard and a blue LED mouse pad, and none of them are as bright as the LEDs on this unit. Not a big deal, but if you like to have your computer environment "dark", these LEDs will almost light the room. The unit works perfectly for my Debian Linux install, once connected and powered up, it instantly detected the drives. I also purchased two Samsung 1 TB SATA drives, and they were drop in simple and quickly formatted in the docking station.

Cons: The LEDs are bright, and could be a bit too much in certain computer environments.

The fan can be heard, not overtly loud, at this early time of usage, but could be an issue if you like a quiet environment.

You do need to power off the docking station to remove a drive, even if its just one drive. (as suggested in the manual). Not exactly "hot swappable"

Even though the unit is plastic, it feels, and has a nice weight to it. The unit is also not just USB powered, and comes with both a USB cable and a AC/DC power pack (not one of this huge transformer plugs that go into the wall, but a regular power cable that goes to the transformer that then goes into the unit, like on a LCD/LED computer monitot)

Other Thoughts: For the price, its not a bad purchase. You can buy better, along with more money, but it does what it advertises.

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  • Rohan P.
  • 6/28/2011 11:28:21 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggs

Pros: Easy to use! Has not failed on any drive yet.

Cons: A little fan noise but thats to be expected.

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  • Dale P.
  • 3/18/2010 9:00:01 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorkes well for me

Pros: Handles two 2TB Seagates, with no problems at all. Easiest drive installation I have ever had.

Cons: None so far

Other Thoughts: I've read the reviews about how terribly noisy these docks are, but fans make some noise. A fan that is silent isn't working. The noise, and the brightness of the led's is not a problem for me at all. Bottom line,, it works flawlessly.

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

  • Shahan O.
  • 2/2/2010 9:12:44 AM
  • Tech Level: High
  • Ownership: less than 1 day

1 out of 5 eggsworthless

Pros: Doesn't smell, but then I've only had it for a few hours.

Cons: Ridiculously loud, led lights way too bright, sporadic hard drive connectivity, power button requires pushing all the way inside the case to stick, no "eject" button to help unseat the hard drives, no way to swap out one drive without unmounting both. USB cable too short. Power cable too short. Barely heavy enough to stay balanced with just one drive inserted.

Other Thoughts: Picked this up at Fry's. It's going right back.

2 out of 5 people found this review helpful. Did you? Yes No

  • David G.
  • 12/30/2009 1:24:23 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsVery noisy

Pros: The dual dock does as advertised: Enable easy slip in access of two SATA disks

Cons: The docking station is so loud that it really cannot be used in a home environment. The fan noise is ridiculous. I cannot understate this: THE DOCK IS VERY LOUD. I only turn it on when I'm leaving the my room and I'm backing up my data. Unquestionably it is too loud to have in a room where you're trying to sleep, but it is also too loud to work in peace. It is only appropriate in a datacenter environment where there is other loud machines.

Another aspect of the dock that makes it unsuitable for home use is the blue LEDs are insanely bright. Not a huge con, but just another reason to not recommend this product

Other Thoughts: Overall I do not recommend this dock. I've used others that are much better built

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

  • Matthew H.
  • 11/19/2009 2:56:02 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

1 out of 5 eggsFragile and flaky

Pros: It looks like a toaster.

Cons: A toaster would have been more useful.

Other Thoughts: Purchased this device at a local electronics store for the purpose of plugging it into a linux server and swapping backup drives in and out.

It worked exactly twice: once in the windows machine which I was using to test the device, and once in the linux server where it was to live. After that, it started throwing -71 and -62 errors in any linux machine, and windows just reported that the device was malfunctioning. Returning it for money back.

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

  • Joseph E.
  • 10/21/2009 1:16:44 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

3 out of 5 eggsSIIG dual SATA dock

Pros: This is a decent dock for 2 large SATA drives. I'm able to safely and easily dock 2 1.5TB Seagate drives without any noticeable difficulty. No drivers to install either, which is a nice clean benefit.

Cons: LED's are extremely bright! Too bright to leave on the desk shining towards you when working. Also... this device does NOT power up/down with the PC which is a somewhat moderate annoyance. It seems that for a good brand name, they could have included this feature. The Western Digital and Seagate external USB HD's I have all power up/down with the PC - why not SIIG?

Other Thoughts: The drives do run hot to the touch - it won't burn you, but it is definitely warmer than I care to have most of my equipment run - even with the built-in fan. I'm not terribly concerned about drive longevity since I really only use this for incremental backup, but it may be worth considering, especially since your drives will essentially be "hanging" outside in the free air and will collect dust (which also causes heat dissipation issues).

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

  • Brian R.
  • 10/19/2009 9:42:02 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

3 out of 5 eggsFan is pretty loud

Pros: The fan does cool the drives very well. Although I've been running it ith heavy use and the fan disabled and it seems to air cool decently anyway.

Cons: The fan is pretty dang loud. Also the LED's are exceedingly bright.

Other Thoughts: Will probably put this one in the work bag and buy something fanless or with fans that are actually quiet instead.

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

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