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We recommend Sonnet USB 3.0 ExpressCard/34: 2 Port ExpressCard/34 to SuperSpeed USB 3.0 Host Adapter. (Mfr P/N: USB3-2PMA-E34) from Sonnet Technologies for $67.50 as a suitable alternative.

Sonnet Technologies

USB 3.0 ExpressCard/34
2 Port ExpressCard/34 to SuperSpeed USB 3.0 Host Adapter

Mac / PC / ExpressCard/34 / USB 3.0
Exploit the Full Potential of the Latest HDDs and SSDs
10 Times Faster Data Transfer
Add SuperSpeed USB Connections to Your Mac or PC
Your MacBook Pro or PC notebook computer has USB 2.0 ports, and they've served you well. Talk about compatibility—keyboards, mice, printers, scanners, joysticks, digital cameras, flash drives—what couldn't you plug in? Talk about performance—well, that's where USB ports 2.0 are merely passable—they limit data transfer speeds to around 25–30 MB/s. For most peripherals, that's perfectly adequate, but when you connect an external drive and expect great performance, that bottleneck is a problem—video editing, backing up, and other data-intensive activities suffer as a result.
No More Bottleneck
Enter Sonnet's USB 3.0 ExpressCard/34 adapter(1), the bottleneck breaker! This Sonnet host controller is based on the new USB 3.0 standard that offers up to 10x the performance of the decade-old USB 2.0 interface. A single hard drive with a USB 3.0 interface is capable of transferring data at up to 125 MB/s, while SSDs (solid state drives) are capable of even faster transfers—insert Sonnet's USB 3.0 ExpressCard/34 adapter into your notebook computer's ExpressCard slot to exploit the full performance potential of these fast drives.
Versatility Included
Sonnet's USB 3.0 ExpressCard/34 works in ExpressCard/34 and ExpressCard/54 slots. This card supports hot-swappable storage connections. Insert Sonnet's USB 3.0 ExpressCard/34 adapter into your MacBook Pro or PC notebook to experience the super speed of USB 3.0 connectivity firsthand.
*The Mac OS X driver for this card does not support non-storage devices.3 iPods and iPhones are not supported. USB 3.0 hubs are not supported. Bus-powered 2.5" drives or SSDs are not supported.

Product Specifications:

Sonnet Part Number

  • USB3-2PM-E34

Form Factor

  • ExpressCard/34
  • PCI Express 2.0 interface

Chipset

  • NEC

External Connectivity

  • 2 x USB 3.0 ports

Internal Connectivity

  • None

Data Transfer Rate

  • USB 3.0 – Up to 300MB/sec2
  • USB 2.0 – Up to 60MB/sec
  • USB 1.1 – Up to 1.5MB/sec

Mac System Requirements

  • MacBook Pro (with ExpressCard slot)
  • OS X Version 10.6.8 or later1

PC System Requirements

  • PC notebook (with ExpressCard slot)
  • Windows XP or later

Power

  • 2.5W maximum (500mA@5V)4

Hot Plug Support

  • Yes

Hot Swap Support

  • Yes

Agency Approvals & Compliance

  • OHCI (Open Host Controller Interface)
  • EHCI (Enhanced Host Controller Interface)
  • xHCI (eXtensible Host Controller Interface)

Dimensions

  • 4.4" x 1.3" x 0.2" (113 x 34 x 4 mm)

Weight

  • 0.45 lbs (204 g)

Warranty

Notes:
  1. When upgrading to OS X 10.9 (Mavericks) you must reinstall your product's Sonnet driver software.
  2. USB 3.0 devices require USB 3.0 cables to support USB 3.0 (SuperSpeed) transfer speeds (up to 5 Gb/s). Use of USB 2.0 cables between USB 3.0 devices and USB 3.0 ExpressCard/34 is supported, but data transfers are limited to USB 2.0 speeds (up to 480 Mb/s).
  3. Not compatible with Transcend USB 3.0 Super Speed Multi-Card Reader or with USB 3.0 duplicator stations, such as the Addonics Mini HDD Duplicator Station.
  4. This is insufficient power to support USB 3.0 bus-powered 2.5" hard drives or SSDs. It is generally sufficient to support flash drives.
Manufacturer provided specifications for Sonnet Technologies p/n USB3-2PM-E34 UPC#: 732311008702
This product is compatible with... Learn how to find your Mac's model ID
MacBook Pro Unibody
MacBook Pro (17-inch 2011)
(October, 2011)
Model ID: MacBookPro8,3
2.4GHz, 2.5GHz
MacBook Pro Unibody
MacBook Pro (17-inch Early 2011)
(February, 2011)
Model ID: MacBookPro8,3
2.2GHz, 2.3GHz
MacBook Pro Unibody
MacBook Pro (17-inch Mid 2010)
(April, 2010)
Model ID: MacBookPro6,1
2.53GHz, 2.66GHz, 2.8GHz
MacBook Pro Unibody
MacBook Pro (17-inch Mid 2009)
(June, 2009)
Model ID: MacBookPro5,2
2.8GHz, 3.06GHz
MacBook Pro Unibody
MacBook Pro (17-inch Early 2009)
(January, 2009)
Model ID: MacBookPro5,2
2.66GHz, 2.93GHz
MacBook Pro
MacBook Pro (17-inch Early 2008)
(February, 2008)
Model ID: MacBookPro4,1
2.5GHz, 2.6GHz
MacBook Pro
MacBook Pro (17-inch Mid/Late 2007)
(June, 2007)
Model ID: MacBookPro3,1
2.4GHz, 2.6GHz
MacBook Pro
MacBook Pro (17-inch Core 2 Duo)
(October, 2006)
Model ID: MacBookPro2,1
2.33GHz
MacBook Pro
MacBook Pro (17-inch)
(April, 2006)
Model ID: MacBookPro1,2
2.16GHz
MacBook Pro Unibody
MacBook Pro (15-inch Late 2008)
(October, 2008)
Model ID: MacBookPro5,1
2.4GHz, 2.53GHz, 2.66GHz 2.8GHz
MacBook Pro
MacBook Pro (15-inch Early 2008)
(February, 2008)
Model ID: MacBookPro4,1
2.4GHz, 2.5GHz, 2.6GHz
MacBook Pro
MacBook Pro (15-inch Mid/Late 2007)
(June, 2007)
Model ID: MacBookPro3,1
2.2GHz, 2.4GHz, 2.6GHz
MacBook Pro
MacBook Pro (15-inch Core 2 Duo)
(October, 2006)
Model ID: MacBookPro2,2
2.16GHz, 2.33GHz
MacBook Pro
MacBook Pro (15-inch Glossy)
(May, 2006)
Model ID: MacBookPro1,1
2.0GHz, 2.16GHz
MacBook Pro
MacBook Pro (15-inch)
(January, 2006)
Model ID: MacBookPro1,1
1.83GHz, 2.0GHz, 2.16GHz
PC Laptop
PC/intel Laptops
Running Windows XP or Windows 7 with available ExpressCard/34 slot

Customer Ratings

Write a Review 3.6 / 5 2 out of 3 (67%) reviewers would recommend this product
Verified Buyer
Reviewer: Anonymous Location: Hong Kong Age: Over 65 Experience Level: Hobbiest Owned Product: over 6 months
Rating: 5/5 This product has great features... February 26, 2014 This product has great features for one Notebook used as one Desktop computer! The ideal size would be a slim one-port model to leave permanently in the ExpressCard slot. It would be very appreciated for transport of notebook. The second port is unusable for one mini HDD without the addition of an external power supply.

I would recommend this item to a friend!

Verified Buyer
Reviewer: Marianco Location: Carmel, CA Age: 45-54 Experience Level: Power User Owned Product: less than a month
Rating: 3/5 May not be compatible with USB 3.0 Hubs June 23, 2012 I read the fine print. 1. You have to download the Mac Driver from the Sonnet Website. 2. This SUPPORTS BUS POWERED HARD DRIVES - but you have to buy the optional USB-to-DC auxilliary power cable (available at OWC) and attach it to one of the MacBook Pros's USB Ports so you can get 500 mA power on ONE of the USB 3.0 Ports, not both. Thus only one hard drive can be bus powered. 500 mA is enough to power most drives and OWC's Mercury Elite-AL Pro enclosure. 2. The Mac OS X Driver has LIMITATIONS (which OyenDigital USB 3.0 cards do not have). It only supports USB 3.0 hard drives, Sonnet's media reader and Lexar's Compact Flash/SD reader. 3.) First, the killer limitation for me is that the driver doesn't support USB 3.0 HUBS. This means I can't buy 4-port powered USB 3.0 HUBs and run 4 or more external hard drives off of this USB 3.0 adapter. Since NO USB 3.0 external drives allow you to daisy-chain hard drives, this limitation is difficult to accept. It limits the adapter to two external hard drives (one bus powered if you also use up a USB 2.0 port). 4.) Second, another serious limitation is that the driver doesn't support USB-connected external displays. Since USB 3.0 external displays for the Mac are coming soon and have much better performance than USB 2.0 external displays, this is a serious limitation for a future desired capability. Certainly, the 2012 MacBook Pro Retina Display with built-in USB 3.0 ports won't have this limitation. 5. Since the current driver does not support non-storage USB devices, this means USB 3.0 scanners won't be supported either.

I would recommend this item to a friend!

Verified Buyer
Reviewer: galynwae Location: Walla Walla, WA Age: 55-65 Experience Level: Power User Owned Product: less than a month
Rating: 3/5 Beware September 7, 2011 Read the fine print. Does NOT support bus powered hard drives. I have not found one that will operate on the low power passed through these ports, using a 2011 MBP 17.

Sonnet Technologies USB 3.0 ExpressCard/34 2 Port ExpressCard/34 to SuperSpeed USB 3.0 Host Adapter. Mfr P/N: USB3-2PM-E34 OWC SKU: STIUSB32PME34 Simple way to add two SuperSpeed USB 3.0 ports to a MacBook Pro or PC notebook computer with ExpressCard/34 slot. Sonnet Technologies 1 Year Limited Warranty
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