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Item#: N82E16817153112

Thermaltake BlacX Duet (ST0014U) ABS Plastic 2.5" & 3.5" Black SATA I/II/III USB2.0 & eSATA Dual Hard Drives Docking Station

  • 2.5" & 3.5"
  • USB2.0 & eSATA
  • Up to 2TB per bay
  • ABS Plastic
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BlacX Duet (ST0014U) Dual Hard Drive Docking Station

Thermaltake BlacX Duet eSATA and USB Docking Station easily connects all 2.5in. or 3.5in. SATA hard drives, allowing a PC or MAC system to instantly access and store data onto two hard drives.

Hard Drives


  • Read and Write Two Hard Drives Simultaneously
  • Supports All 2.5in. and 3.5in. SATA Hard Drives up to 2TB
  • Hot-Swap Capability for Rapid Multi HDDs Access and Exchange
  • Supports eSATA Transfer Speed up to 3.0Gbps
  • Supports USB 2.0 Transfer Speed up to 480Mbps
  • Windows and Mac OS Compatible
  • Rapid Data Access and Exchange with Single eSATA or USB Cable Connection
  • 8r-Over Docking Station Design Maximizes Heat Dissipation and Exhaust
  • RoHS Compliance
  • SSG (Solid State Grip) Technology: Anti-Slippery Grasp Base
Hard Drives


  • HDD Interface: Two 2.5in. / 3.5in. SATA I / II
  • Host Interface: SATA to eSATA / USB 2.0
  • eSATA Transfer Rate: up to 3.0Gbps (Max)
  • USB 2.0 Transfer Rate: up to 480Mbps (Max)
  • SATA Compatible: SATA I and II
  • HDD Compatible: All 2.5in. or 3.5in. SATA
  • OS Compatible:
    Windows 7 / Vista / 2003 / 2000 / XP
    Mac OS X and later
  • Material: ABS Plastic
  • Power: DC 12V / 3A
  • Dimensions (WxDxH):
    5.51in. x 4.76in. x 2.74in.
    (140mm x 120.82mm x 69.49mm)

Disk Installation
Hard Drives Hard Drives


Learn more about the Thermaltake BlacX Duet (ST0014U)

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the Thermaltake BlacX Duet (ST0014U)

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  • Alan H.
  • 1/1/2015 8:43:14 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsWorks well with Thunderbolt adapter

Pros: Same as my earlier review

Cons: Same as my earlier review

Other Thoughts: This is an update to my earlier review. I now have it hooked up to a LaCie eSATA Hub to allow it to work with a new iMac. This combination works very well, and is great alternative to a hard-or-impossible-to-find Thunderbolt 3.5" hard disk docking station.

Did you find this review helpful? Yes No

  • Zack G.
  • 12/24/2014 10:46:02 PM
  • Tech Level: High
  • Ownership: more than 1 year

1 out of 5 eggsDoesnt work anymore...

Pros: Easy to use.
Convenient way to hook up drives.
Aesthetically pleasing.

Cons: I have owned three of these. Unfortunately all three have died after around 6 months of use.

I assumed that the first one dieing was my fault since I used it a lot to hook up drives. After the second one died I thought, "Hey, wait a minute... these are made to hook up drives. Why should they die if I use it?".

Im on my third one and it just died which is what prompted me to write this review. No longer works through esata or USB. Also, I have noticed that the power buttons get very finicky over time. This unit (my third one) has an extremely sensitive power button but it was not always like this. If I apply even a smidgen of pressure then the switch underneath is activated/deactivated.

Other Thoughts: I tried to like these. I purchased three and gave Thermaltake nearly $100+ of my hard earned money. I should have purchased something else (cheaper) after the first one. I used to love Thermaltake products but these make me a sad panda.

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  • Christopher W.
  • 9/4/2014 6:59:44 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsDied in 3 months

Pros: Worked great when it worked
RMA process was smooth and fast

Cons: Died in 3 months. Would not recognize a drive.

Other Thoughts: Lets see how the replacement works

Did you find this review helpful? Yes No

  • Alissa E.
  • 6/15/2014 2:15:37 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks great

Pros: Simple to use, easy to set up, does exactly what it says it does.

Cons: none

Other Thoughts: I use this primarily with the esata port and data transfers are quick and painless. Occasionally I use the USB for connections to a secondary computer and it works great there to. Highly recommend for anyone that transfers data from old to new computers a lot.

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

  • Robert P.
  • 5/31/2014 2:20:58 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsBlacX Duet eSATA Interface

Pros: Seems better constructed than the single drive BlacX.

Cons: Very misleading specs would lead you to believe that one connection (eSATA or USB 2.0) enables both drives. That is true of USB 2.0, but if your motherboard does not support port multiply, the eSATA connection will read only the first of the two drives. This is not in the documentation, specs or advertisement. I discovered it after purchase while searching their site for an explanation as to how to get both drives to work. It was a footnote to their three question FAQ on this unit. So, make sure you're mobo will support port multiply if you want to use the eSATA connection.

Other Thoughts: I bought this to replace a single drive BlacX unit. Unbelievably, after I decided to get the Duet unit but before I ordered it, the single unit quit working (2 years of use).

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  • Erik L.
  • 4/19/2014 8:30:53 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

1 out of 5 eggsUnpredictable, unreliable

Pros: It's small

Cons: Drives come and go erratically and won't stay spinned up. I returned it. Tried with multiple drives.

Manufacturer Response:

Dear Customer,
We at Thermaltake apologize for any inconvenience this may have caused. We can replace it through warranty service. Please contact Customer Service for RMA instructions.
Thermaltake USA Customer Service
Toll Free: 1-800-988-1088 M-F 9:00AM~5:30PM (P.S.T)

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  • Timothy M.
  • 3/23/2014 5:01:14 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsKeeps breaking

Pros: When they work, they work well.

Cons: I've owned going on 3 of these, two of the dual and one of the single. They keep breaking somehow! Either one port will stop working or, now with my current, the SCSI port stops working. Now I am left transferring/backing up TBs of data at USB 2.0 rates. Yikes.

Be aware, you can't pull out one drive even if you eject the other because it will eject the other as well (at least on a Mac).

Other Thoughts: Like I said, when they work, I love them, but currently I am 0/3 on ones that last more then a couple months.

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

  • Franklin A.
  • 3/14/2014 6:44:34 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsDock Shows Signs of Defect Within Three Months

Pros: It's as easy to operate as can be expected from such a device.

Cons: The unit shipped to me stopped working within three months of minor use.
Every time I power the unit on, with two drives docked, one of two things happens: 1) The drives disconnect from my computer less than one minute later. 2) Only one of the two drives connects to my computer, and then less than a minute later that one drive disconnects spontaneously. This occurs whether connected via USB or eSATA.

Other Thoughts: I hope the RMA process will revive my confidence in this manufacturer. Thankfully, the warranty period is 3 years long.

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

  • James E.
  • 2/20/2014 1:26:04 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Connected via eSATA and performs as expected. Supports a single or dual drives. Also able to move data between the two drives in the dock.

Cons: none

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

  • Timothy D.
  • 2/3/2014 9:22:11 AM
  • Tech Level: High
  • Ownership: more than 1 year

3 out of 5 eggsNot as well-made as the single drive version

Pros: Two drives are better than one, right?
generally plug-and-play, no manual driver install needed
Does support at least some >2TB drives.

Cons: disconnects BOTH drives upon removing or inserting a drive.
Tansfer speed is poor

Other Thoughts: The original BlackX was my absolute favorite USB to SATA hard drive dock. It always worked on any system without drives, never disconnected randomly, just a solid product. This one is much less satisfying. The two drive slots seem to work as one unit. If you add or remove a drive, and there's another one present, it will disconnect both drives from Windows. Likewise when you insert a drive or use the "safely remove" option in windows. So you have to keep that in mind. I generally power it off whenever I take out or add a drive, then power back on. Sometimes it's tricky to get the drive to be recognized in Windows at first, but it always works after some on/off troubleshooting. I haven't tested this on OSX or linux but I think it's a hardware problem with the USB to SATA controller in this model.

Contrary to the specs on Newegg, it does recognize my 4TB hard drives with GPT.

Two separate BlackX drives would be better than this Duet thing.

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Item#: N82E16817153112
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