Mac Pro with card slots OS X You may also like. That being the case, if you connect any USB devices which aren’t self powered, then they will be drawing 5V directly from the PCI bus through the card. I purchased an externally powered USB 3. This item doesn’t belong on this page. Don’t waist your time with this card on a Mac Pro!

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There are four ports and each port is it’s own separate port meaning that each one has a built in charger and each one is independent of the other 3.

For further details see delivery estimates in cart.

Sonnet Allegro Pro USB 3.0 PCIe Card 691163149257

This card is not stable on a Mac Pro. Ports 4 x USB 3. USB Battery Charging 1. Rated 5 out of 5 by Neill F. This item doesn’t belong on this page. Industry standard USB 3.

It don’t work with all drives and I got transfert error on some drives. In Stock Update Location close. Also, I think this card is in conflict with the bluetooht because my magic mouse is going offline and online randomly. My thought is that if one goes out, the other 3 will still be usable we will see how that works out. Don’t waist your time with this card on a Mac Pro! I have purchased Sonnet extras for years and when I saw that Sonnet made this, I knew I would have support for the life of the product.


The card performs well.

And it turned out that it only worked for PC. Place your order by 5pm Mon Dec 31 and your order will ship the same day. Trending Price New.

Sonnet Allegro Pro USB PCIe Card | eBay

See any errors on this page? I admit it was my fault for not looking closer, but do companies really this stupid? It’s not thunderbolt however, the pre coffee can mac pro apparently cannot support thunderbolt Easy install only on Mac Pro and I did not need to install nay drives – worked out of the box.

Sonnet Port Expansion Cards. maac

Allegro USB PCIe Computer Card | Sonnet

I use it in my mac pro 12 core Rated 1 out of 5 by Usg from Don’t waist your time with this card! I am certainly no geek among geeks but I have been a Mac user since early and while I have a few PCs, Macs are still the best hands down.


I have not run the USB 3.

I haven’t done any scientific comparisons with USB 2. For exemple, I got transfert error message on a G-Raid mini and no problem on a Lacie. So I did my research on the Sonnet card.

Save alleggo Port Expansion Cards Trending price is based on prices over last 90 days. Overall, after installing the card it made my system lock up and slightly unstable.

And I’m happy to report that it does!! Please check your local sales tax laws. Show More Show Less.