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  • Sonnet USB 3.0 ExpressCard/34 (2-Ports, Macintosh/Windows) USB3-2PM-E34
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Sonnet USB 3.0 ExpressCard/34 (2-Ports, Macintosh/Windows) USB3-2PM-E34


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  • Simple way to add two SuperSpeed USB 3.0 ports to a MacBook Pro or PC notebook computer with ExpressCard/34 slot
  • Transfers data up to 10x faster than over USB 2.0 connections
  • Supports hot-swappable device connection-plug in and disconnect peripherals without shutting off your computer
  • Powered ports support bus-powered drives
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Frequently Bought Together

Sonnet USB 3.0 ExpressCard/34 (2-Ports, Macintosh/Windows) USB3-2PM-E34 + Lexar Professional USB 3.0 Dual-Slot Reader (LRW300URBNA)
Price for both: $108.07

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Technical Details

  • DC in Jack
  • Mac Compatible

Product Details

  • Product Dimensions: 8 x 6 x 1.5 inches ; 3.2 ounces
  • Shipping Weight: 3.5 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0057567P0
  • Item model number: USB3-2PM-E34
  • Average Customer Review: 1.9 out of 5 stars  See all reviews (26 customer reviews)
  • Date first available at Amazon.com: June 15, 2011

Product Description

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. Enter Sonnet's USB 3.0 ExpressCard/34 adapter, 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(1).Sonnet's USB 3.0 ExpressCard/34 works in ExpressCard/34 and ExpressCard/54 slots. Each of this card's ports supports bus-powered peripherals (devices that work without a separate power supply, including some external drives and scanners). Not only is this card backward-compatible with your USB 2.0 and USB 1.1 peripherals, it also supports hot-swappable device connection. 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.

Customer Reviews

It would be very hard to suggest this product to a friend.
B Carter
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.
James Katt
I am disappointed, it won't boot my MacBook Pro 17" (2006) OS X 10.6.8.
John Holland

Most Helpful Customer Reviews

39 of 42 people found the following review helpful By harold on January 5, 2012
Verified Purchase
I bought this item at the end of October, did not even open it until mid-December, and has since fried 3 hard drives. I used this in a brand new 17" Macbook Pro, initially with a Seagate 7200rpm 1tb usb 3.0 desk drive. Working great for first five minutes, got a hard drive has been disconnected error message, and plugged it back in. Worked fine for another 5 minutes, same thing happened again. Happened about 2 or 3 more times until drive fried. Of course, I lost a bunch of my clients' important information.

I tried a Western Digital portable drive which did the exact same thing, even with the 3.5mm power adapter plugged in. Great for five minutes, error message, try plugging in again, wait a half hour to load, great for five minutes, error message.... until yet again another drive goes dead.

Again, tried, with a third drive (I REALLY wanted that USB 3.0 option on my Mac) with an Echo ExpressCard via thunderbolt, and the SAME THING.

Sonnet will not refund the product, and as this is outside the 30-day return policy from Amazon, I can't return it either. I will again attempt to contact Amazon and Sonnet for a refund considering this is more than unacceptable. Do not purchase this for your Mac.
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19 of 19 people found the following review helpful By Scott on June 22, 2012
Verified Purchase
I bought a this and a brand new Crucial 512gb SSD drive, with an OWC USB 3.0 enclosure. The OWC enclosure is fantastic and so is the Crucial SSD, until after using the Sonnet Express card on my 2011 Macbook Pro 17". Within a few minutes it fried my $400.00 drive. I thought maybe I did something wrong, until I researched this and found reviews stating the same thing happened to them with other drives. I'm out the cash for the drive and the POS Sonnet, because their support and service is also a POS. I'm sure others have been successful, but no one should have a product that fries hard drives. I was afraid to use it again and took great joy in running over it with one of the forklifts at my place of business.

Now I have the new Macbook Air and Macbook Pro, both with built in USB 3.0 and they work beautifully!!

Stay away from Sonnet....

I Love Amazon!! (Even though this time I purchased elsewhere) If I had purchased from Amazon, they probably would have gladly helped me out in this situation.

I hope this helps someone from making the same mistakes.

Cheers,
Scott
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14 of 14 people found the following review helpful By James Katt on July 1, 2012
I bought this for my MacBook Pros.

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.

3. The Mac OS X Driver has SERIOUS LIMITATIONS. It only supports USB 3.0 hard drives, Sonnet's media reader and Lexar's Compact Flash/SD reader. The PC Drivers works for any 3.0 peripheral.

4. The Mac OS X Driver DOES NOT SUPPORT USB 3.0 HUBS. They do not show up when plugged in. 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).

5. 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.

6. Since the current driver does not support non-storage USB devices, this means USB 3.0 scanners won't be supported either.
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11 of 12 people found the following review helpful By V. Guido on November 25, 2011
Verified Purchase
I was anxious to add USB 3.0 capability to my MacBook Pro when I read about this device. However, the description did not say it only improves your speed with certain devices. I have a 3.0 SD Card reader/write and a two 3.0 external hard drives. Both hard drives required a power chord (sold separately). My goal was to help speed up the writes we are doing to many, many SD Cards. This device made no difference. Writing approximately 2 gig to an SD Card using my 2.0 ports was only slightly slower than the 3.0 ports this card gave me (e.g 45 minutes vs. 40 minutes on average). I guess you have to buy Sonnet devices gain the real speed of this express card. Maybe! Very disappointing.
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19 of 24 people found the following review helpful By Craig S. Burnett on January 12, 2012
Verified Purchase
Bought this card to use in the Echo ExpressCard|34 Thunderbolt adapter made BY THE SAME COMPANY, Sonnet Tech. This card does NOT work with their Thunderbolt adapter.

Just spoke to customer support at Sonnet, and the gentleman told me that during the development of the Thunderbolt adapter, they HOPED it would be compatible, but it is not, and will not be for the foreseeable future.

I stupidly assumed that a company wouldn't market an adapter that couldn't be used with ONE OF ITS OWN PRODUCTS.

DO NOT BUY this adapter for use in the Echo ExpressCard|34 Thunderbolt Adapter. By my experience and the company's own admission, IT WILL NOT WORK.
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