AKiTiO Thunder3 Duo Pro with Hardware RAID

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Thunderbolt 3/USB 3.1 2-bay storage enclosure is designed to house up to two 2.5-inch or 3.5-inch drives. Hardware Raid (Enclosure Only-no drives included)
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AKiTiO Thunder3 Duo Pro

akitio thunder3 duo pro features

External Thunderbolt™ 3 & USB 3.1 Gen 1 Storage Solution

This dual bay RAID storage enclosure can reach data transfer speeds of up to 785 MB per second while simultaneously providing two 4K video signal streams. For added convenience and flexibility, the AKiTiO Thunder3 Duo Pro can accommodate both 2.5-inch and 3.5-inch drives. It is completely "tool-less", so drives can be easily installed or uninstalled.

  • Thunderbolt 3 for lightning fast transfer speeds up to 40 Gbps
  • Triple connectivity featuring Thunderbolt 3, USB 3.1 Gen 1 and DisplayPort
  • Second Thunderbolt 3 port supports Thunderbolt 3, USB 3.1 (10 Gbps), and DisplayPort devices
  • Hardware RAID controller (RAID 0, RAID 1, SPAN, Non-RAID)
  • Tool-less drive installation for 2.5-inch and 3.5-inch drives
  • Built-in fan for active cooling with power switch
  • Dedicated DisplayPort for additional 4K monitor
  • Kensington security lock slot

Triple Connectivity

akitio thunder3 duo pro connectivity

Thunderbolt™ 3

Thunderbolt 3 brings Thunderbolt to USB-C at speeds up to 40 Gbps, creating one compact port that does it all – delivering the fastest, most versatile connection to any dock, display, or data device. For the first time, one computer port connects to Thunderbolt devices, every display, and billions of USB devices. A single cable now provides four times the data and twice the video bandwidth of any other cable, while also supplying power to bus-powered devices.

The second Thunderbolt 3 port on the AKiTiO Thunder3 Duo Pro operates the same as a Thunderbolt 3 computer port by supporting Thunderbolt 3 (up to 5 daisy chained), USB 3.1 (10 Gbps), and DisplayPort devices.

USB 3.1 Gen 1

To assure backwards compatibility with systems that only offer USB connectivity, the AKiTiO Thunder3 Duo Pro also comes with a SuperSpeed USB Type-B port. This interface is also known as USB 3.1 Gen 1 or USB 3.0 at speeds of up to 5 Gbps.


The dedicated DisplayPort connector makes it easy to connect an additional monitor to extend your workspace. This video output capability requires a Thunderbolt 3 connection to the computer and will free up the second Thunderbolt 3 port for Thunderbolt 3 (up to 5 daisy chained), USB 3.1 (10 Gbps), and DisplayPort devices.

Hardware RAID Controller

akitio thunder3 duo pro raid controller

Optimized for every environment

With the built-in hardware RAID controller, the choice is all yours! You can mirror the drives with RAID 1 as a reliable backup for your important data, you can stripe the drives with RAID 0 for optimal performance and maximum speed or you can select SPAN to combine the drives for extra large storage capacities.

OS independent RAID set

A big advantage of the built-in hardware RAID controller is that the RAID set is OS independent, so the storage drive can be moved from one system to the other with ease. Because the RAID set is managed inside the AKiTiO Thunder3 Duo Pro, there is nothing else do be set up on the computer.

2-Lane PCIe to SATA controller

The PCIe to SATA controller makes use of two PCIe lanes. When using Non-RAID and Thunderbolt, this makes it possible for a single SSD to run at full SATA 6Gb/s speeds and deliver transfer rates in read over 500MB/s.

Versatile Storage Solution

akitio thunder3 duo pro tool less

Compatible with Thunderbolt 3 and USB computers

The AKiTiO Thunder3 Duo Pro was designed for both Thunderbolt 3 and USB computers. The device can be connected via Thunderbolt 3 (USB-C) or USB 3.1 Gen 1 (Type-B) interfaces.

Tool-less drive installation

For added convenience and flexibility, the AKiTiO Thunder3 Duo Pro can accommodate both 2.5-inch and 3.5-inch drives. The assembly is completely tool-less, so drives can be easily installed or uninstalled no matter where you are.

Noiseless 0dB operation

For quiet environments, the built-in fan can be turned off completely. The fan switch is accessible from the outside, so the enclosure does not have to be opened. In combination with solid state drives (SSD's), this will result in a completely noiseless storage solution.


The AKiTiO Thunder3 Duo Pro provides users the ability to edit and playback multiple streams of HD and/or 4K content with enough headroom to daisy-chain multiple 4K displays simultaneously.

The transfer speeds for this benchmark were obtained using the AJA System Test tool with 1GB test files at 5K resolution. These results closely reflect the real-world performance but the actual transfer rates can vary depending on the test environment

For the traditional spinning hard disk drives, in this test, the maximum transfer rate for a single drive is around 200 MB/s. This is the reason why only the speeds for a RAID 0 set exceed 200 MB/s and the rest of the results are almost identical.

For the solid state drives, the maximum transfer speed of the USB interface has been reached at around 400 MB/s. A Thunderbolt computer is required in order to take advantage of the speeds those SSD's can reach, even for a single SSD.

The maximum speed of two SATA 6Gb/s SSD's in the AKiTiO Thunder3 Duo Pro is around 700-800 MB/s. For even higher transfer rates, please consider striping two AKiTIO Thunder3 Duo Pro units or using the AKiTiO Thunder3 PCIe SSD instead. 

akitio thunder3 duo pro benchmark

ModelAKiTiO Thunder3 Duo Pro
Part No.
  • T3DP-T3DU3IS-AKTU (without drives)
  • T3DP-T3DU3IS-AKTUH (2 x 1TB SSDs)
  • CE
  • FCC
  • VCCI
  • Thunderbolt
  • 2-year limited warranty
Case material
  • High quality aluminum for optimized heat dissipation
  • Up to two 2.5" or 3.5" SATA hard disk drives or solid state drives
  • Capacity 80GB - 10TB per drive
  • Two hard drives of identical capacity are recommended
RAID mode
  • Non-RAID
  • SPAN
  • RAID 0 striping
  • RAID 1 mirroring
  • 2 x Thunderbolt 3 (USB-C) ports
  • 1 x USB 3.1 Gen 1 (Type-B) SuperSpeed port is backwards compatible with USB 2.0
  • 1 x DisplayPort 1.1
Data transfer
  • Thunderbolt 3 up to 40 Gbps
  • USB 3.1 up to 5 Gbps
  • DisplayPort 1.1a (4K at 60 Hz)
System requirements (PC)
  • Windows 7 and later
  • Computer with Thunderbolt 3 or USB 3.1 Gen 1 (USB 3.0) port
System requirements (Mac)Not supported
System environment
  • Operating Temperature: 5C ~ 35C
  • Storage Temperature: -20C ~ 60C
  • Relative Humidity: 5% ~ 95% (non-condensing)
Power supply
  • External power supply (UL, cUL, CE, TUV approved)
  • Input: AC 100-240V, 50Hz-60Hz
  • Output: DC +12V/7.5A
Fan noise level
  • 14.5 dB(A) when fan is turned on
Dimensions (LxWxH)
  • 9.37 inches x 5.63 inches x 3.7 inches
  • 23.8cm x 14.3cm x 9.4cm
Package contents
  • AKiTiO Thunder3 Duo Pro
  • Thunderbolt 3 USB-C cable
  • USB 3.1 Gen 1 (Type-A to Type-B) cable
  • Power adapter
  • Setup guide
  • Retail Box Size: 13 x 10.1 x 4.8 in. (33.1 x 25.7 x 12.3 cm)
  • Carton Size (6pcs per carton): 20.8 x 15.4 x 13.9 in. (52.8 x 39 x 35.3 cm)
  • Gross Weight: 2.83 kg (retail box), 18 kg (carton)
  • This Thunderbolt product is not compatible with Mac OS X.
  • This product was designed for use with the fan on and passed engineering tests with the fan on. We have added a fan switch that can turn off the fan when a low-noise environment is needed. However, the device should only be used for short periods of time with the fan in the OFF position as prolonged use may cause the device to overheat and this may cause damage to the system, cause issues to data integrity, reduce system reliability and/or shorten the lifespan of the electrical components. For best results, we recommend that the device not be used continuously for more than one hour with the fan in the OFF position.
  • This product has components or design elements that are patented or patent pending.
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