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SK-2500 U3

As of December 1, 2017, the SK-2500 U3 has been discontinued and this model is no longer being manufactured, sold or maintained.

The SK-2500 U3 was a compact, portable and simple to use aluminum enclosure designed for 2.5" SATA hard drives. It had a USB 3.0 interface with a single Mini USB 3.0 SuperSpeed port.

This model has been replaced by the Neutrino U3, which offers the same kind of design and features.



SK-2500 U3

The SK-2500 laptop hard drive enclosure provides a combination of cutting-edge technology, durability, flexibility and portability. The incorporation of the latest USB 3.0 technology provides users with super fast transfer rates up to 10 times faster than USB 2.0. Slim, compact and simple to use, this portable aluminum enclosure is designed for the latest 2.5" SATA hard drives.


  • USB 3.0 SuperSpeed interface
  • USB 2.0 backwards compatible
  • Designed for 2.5" drives up to 12.5mm
  • Large heatsink for passive cooling
  • Durable, compact and portable
  • Stackable
  • Fanless


akitio sk2500 u3 angle  akitio sk2500 u3 front  akitio sk2500 u3 rear



Model SK-2500 U3
Part No.
  • SK2-U3AA1-AKT (without drive)
  • CE
  • FCC
  • VCCI
  • 2-year limited warranty
Case material
  • High quality aluminum for optimized heat dissipation
  • 2.5" SATA-I, SATA-II or SATA-III hard disk drive or solid state drive
  • Capacity 20GB - 1TB
  • Height 7mm - 12.5mm
  • 1x Mini USB 3.0 SuperSpeed port (backwards compatible with USB 2.0)
Data transfer
  • USB 3.0 up to 5Gbps (625MB/s) *
  • USB 2.0 up to 480Mbps (60MB/s)
System requirements (PC)
  • USB 3.0: Windows XP or above
  • USB 2.0: Windows XP or above
  • Your hardware device must have the correct corresponding port (e.g. USB 3.0, USB 2.0 or PCI card)
System requirements (Mac)
  • USB 3.0: Mac OS 10.7 or above
  • USB 2.0: Mac OS 10.2 or above
  • Your hardware device must have the correct corresponding port (e.g. USB 3.0, USB 2.0 or PCI card)
System environment
  • Operating Temperature: 5°C ~ 35°C
  • Storage Temperature: -20°C ~ 60°C
  • Relative Humidity: 5% ~ 95% (non-condensing)
Power supply
  • Bus Power 5V/900mA (host computer has to provide sufficient USB bus power)
  • Optional power supply (DC +5.2V/2A)
Dimensions (LxWxH)
  • 4.9 inches x 3.1 inches x 0.9 inches
  • 12.5cm x 7.8cm x 2.4cm
Package contents
  • SK-2500 enclosure (HDD not included)
  • USB 3.0 cable
  • User manual
  • Retail Box Size: 8.9 x 6.2 x 1.6 in. (22.7 x 15.7 x 4 cm)
  • Carton Size (20pcs per carton): 17.7 x 13.1 x 10.2 in. (45 x 33.4 x 26 cm)
  • PCI card with corresponding USB 3.0 driver required for use with Mac.