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The 2-Port SuperSpeed USB 3.0 PCI ExpressCard/34 Adapter from Sonnet adds two SuperSpeed USB 3.0 ports to any computer with an ExpressCard/34 slot, such as an older MacBook Pro or PC notebook computer. Harness the full potential of the latest hard drives and SSDs with the USB 3.0 interface, which supports data transfer rates of up to 5 Gbps. In addition, this adapter supports hot-swappable storage connections.
In the Box
Sonnet 2-Port SuperSpeed USB 3.0 PCI ExpressCard/34 Adapter
Limited 1-Year Warranty
Table of Contents
ExpressCard/34, PCI Express 2.0 interface
Mac OS X: USB 3.0 and 2.0 hard drives, SSDs, thumb drives, and media readers
Windows: Supports industry standard USB 3.0, 2.0, and 1.1 peripherals
Mac OS X driver for this card does not support non-storage devices, iPods, iPhones, USB 3.0 hubs, and bus-powered 2.5" drives & SSDs. USB 3.0 cables are required to support USB 3.0 transfer speeds.
Peripheral Power Available
Provided by computer's USB 2.0 port via USB cable
Power output by the USB 2.0 port may be insufficient to support USB 3.0 bus-powered 2.5" hard drives or SSDs
Number of Ports
2 x External USB 3.0 Type-A
Interface Transfer Rate (Max)
USB 3.0: 5 Gbps
ExpressCard/34: 250 MB/s
The values mentioned are theoretical interface data transfer speeds. The real world transfer speed as per Sonnet's internal test is approximately 200 MB/s.
Complies with OHCI (Open Host Controller Interface), EHCI (Enhanced Host Controller Interface), and xHCI (eXtensible Host Controller Interface) standards
Number of Devices Supported
Up to 31
Supports hot-pluggable and hot swappable device connection
Mac OS Compatibility
OS X Version 10.8.5 and higher, OS X Yosemite compatible