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NT2 U3.1C
Dual-Bay RAID Enclosure

USB-C / SATA 6.0GB/s
AKiTiO's High Performance Compact RAID Storage Enclosure
Designed to house two 3.5" SATA drives, this compact RAID storage enclosure makes it easy to either increase your storage capacity, backup your data or create a high-performance storage volume for video editing. The USB 3.1 Gen 2 interface assures super-fast transfer rates of up to 10Gbps and with the USB-C connector, the NT2 U31C is compatible with USB 3.1 as well as Thunderbolt 3 computers.
SuperSpeed USB 10Gbps (USB 3.1 Gen 2)
By incorporating the latest SuperSpeed USB 10Gbps (USB 3.1 Gen 2) technology, the NT2 U31C is able to deliver up to twice the speed of the USB 3.1 Gen 1 and the older USB 3.0 devices. The USB-C connection is compatible with both USB 3.1 and Thunderbolt 3 computers. At the same time, when using the included USB-C to USB Type A adapter cable, the device is still backwards compatible with the widely used USB 3.0 and even USB 2.0 technology.
Compact Dual-Bay Design
This dual-bay storage enclosure is designed to house up to two 3.5-inch SATA drives with the option to create a RAID set according to your own preferences. The small footprint makes this the ideal storage expansion for your crowded desktop.
Hardware RAID Controller
Utilizing the built-in hardware RAID controller, you can mirror the drives as a reliable backup for your important data, stripe the drives for optimal disk speeds or you can combine the drives for a large storage volume. Setting it to Non-RAID, the drives can be seen and managed as two individual disks.

Product Specifications:

AKiTiO Part Number


RoHS Compliant

  • Yes


  • CE
  • FCC
  • VCCI
  • BSMI
  • RCM

Number of Bays

  • (2) 3.5" SATA drives (80GB - 12TB per HDD)
  • For RAID 0 & 1, two hard drives of identical capacity are recommended

Housing Material

  • High quality aluminum

PC Compatibility

  • Windows 7 and later
  • Computer with USB Type-C connector or otherwise a USB-C to USB Type A adapter cable is required

Mac OS Compatibility

  • macOS 10.12.4 and later
  • Computer with USB Type-C connector or otherwise a USB-C to USB Type A adapter cable is required

RAID Modes Supported

  • Non-RAID
  • RAID 0 striping
  • RAID 1 mirroring
  • SPAN


  • (1) USB-C port supporting USB 3.1 Gen 2 (backwards compatible with USB 3.0 and 2.0)

Data Rates

  • USB 3.1 Gen 2: up to 10Gbps
  • USB 3.1 Gen 1: up to 5Gbps

Power Supply

  • External power supply
  • UL, cUL, CE, TUV approved

AC Input

  • 100-240V, 50-60Hz

DC Output

  • +12V/3A


  • Environmental (Operating)
    • Temperature (°F) 41° — 95°
    • Temperature (°C) 5° — 35°
  • Environmental (Non-Operating)
    • Temperature (°F) −4° — 140°
    • Temperature (°C) −20° — 60°


  • Height: 3.2" (81 mm)
  • Length: 7.2" (182 mm)
  • Width: 4.8" (123 mm)


  • External power supply includes NEMA 1-15 ungrounded (Type A) connection only.
  • This product is backwards compatible with USB 3.0 and USB 2.0 but for best performance, a USB 3.1 Gen 2 host is recommended. The USB-C to USB Type-A adapter cable is included.
  • This product is not compatible with the Surface Pro 3.
Manufacturer provided specifications for AKiTiO p/n AK-NT2C-U31AA-AKTU UPC#: 888038002728



  • NT2 U3.1C storage enclosure
  • USB 3.1 Gen 2 cable (1m, USB-C to USB-C)
  • USB 3.1 Gen 2 cable (1m, USB-C to USB Type A)
  • Power adapter
  • Setup guide
AKiTiO NT2 U31C Dual-Bay RAID Enclosure Mfr P/N: AK-NT2C-U31AA-AKTU OWC SKU: AKTNT2CU31AA Configurable hardware RAID controller (Non-RAID, RAID 0, RAID 1, SPAN). Compatible with Thunderbolt 3 and USB Type-C. Includes USB-C to USB-C cable, USB-C to USB Type A cable. 2 Year AKiTiO Limited Warranty Ships: Same Day only $118.85
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