ORICO 6139U3 USB 3.0 Transparent Hard Drive Dock Review

Hi everyone, ORICO 6139U3 USB 3.0 Transparent Hard Drive Dock is another product from ORICO Transparent Series. Yes, enjoy the nice and stylish transparent outlook. And USB3.0 SuperSpeed data transfer speed up to 5Gbps with UASP protocol support. Furthermore, is does not need additional driver and support hot-swapping, easy and quick tool-free installation. Sound great? Let’s have a closer look then…

Special Thanks
This review is possible thanks to below companies. Be sure to check them out…

Package Content & Design
ORICO 6139U3 and all other accessories come well protected with plastic covers in environment friendly packaging. Besides the dock, you can find 2A AC power adaptor, USB 3.0 cable and user manual in both Chinese and English languages. That’s it.

Build quality is excellent as usual with quality PC material as casing. And enjoy the black PCB board and all the electronic components. Compare to HDD enclosure, dock is much easier to use as you can install both 2.5″ and 3.5″ drive there. No installation tool is needed as well. As you can see from the photo below, there is a blue LED light indicator in the middle.

There are 2 C shape anti-skid pads that provide stability at the bottom of the dock.

Alright, here are the USB 3.0 port, DC input and power on / off switch.


  • Material: PC Material
  • Color: White and Transparent
  • Supported Specification: 2.5/3.5 inch HDD and SSD
  • Output Interface: USB3.0/Type-B
  • Dimension: 78mm/3in *60mm/2in *145/6in
  • Power Supply: 12V
  • Indicator Light: Blue When Power On, Blue and Red Light Flicker When Reading and Writing
  • Supported System: Windows/MAC/Linux
  • Supported Capacity: 8TB Max

Performance Result
ORICO 6139U3 support HDD up to 8TB. Great to use for laptop, desktop and even as NAS for wireless router (for my case). Yes, it helps to dissipate heat fast without any casing / housing that cover the hard drive. Comes with USB Attached SCSI Protocol – UASP support. And suitable for most major systems like Window, Mac OS and Linux. How does it perform? Check out below results from Kingston SSDNow UV400 SSD.

In short, ORICO 6139U3 manages to push Kingston SSDNow UV400 SSD to the highest in both reading and writing speed. 417 MB/s read and 431 MB/s write in CrystalDiskMark sequential Q32T1 test. Much better result in ATTO Disk Benchmark as usual. Similar performance on AS SSD Benchmark and slightly slower in Anvil’s Storage Utilities benchmark.


  • Fast performance with UASP support
  • Excellent build quality
  • Support both 2.5″ & 3.5″ hard drive
  • Portable


  • None so far

The best performing hard drive dock that I have try. Period. All the benchmark results tell the great story. Still need more information? ORICO Website can help. And buy yours at GearBest, Amazon.


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