So I did my research on the Sonnet card. I purchased an externally powered USB 3. Ports 4 x USB 3. Got the card to work under Yosemite but had issues. My external Lacie quadra drives dismounted themselves everyday at least twice per day.

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So I did my research on the Sonnet card. Trending Price New. Please check your local sales tax laws. Be the first to review this item. Show less Show more. In Stock Update Location close. Place allwgro order by 5pm Mon Dec 31 and your order will ship the same day.

And it turned out that it only worked for PC. USB Battery Charging 1.

And I’m happy to report that it does!! It don’t work with all drives and I got transfert error on some drives. For allegeo, I got transfert error message on a G-Raid mini and no problem on a Lacie.

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Order in the next 0: Don’t waist your time with this card on a Mac Pro! The speed was nice but it caused the Mac Pro running Snow Leopard to lose Bluetooth connectivity and my mouse functionality was lost.


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. Rated 1 out of 5 by Anonymous from Pccie waist your time with this card!

Oddity with Sonnet Allegro Pro USB PCIe card | MacRumors Forums

You may also like. My thought is that if one goes out, the other 3 will still be usable we will see how that works out.

I have not run the USB 3. Sonnet Port Expansion Cards.

They clearly state that it works with Mac. Also, I think this card is in conflict with allegroo bluetooht because my magic mouse is going offline and online randomly.

Sonnet Allegro Pro USB 3.0 PCIe Card 691163149257

Show More Show Less. Read full review Verified purchase: Enter new zip code to refresh estimated delivery time. This item doesn’t belong on this page. My external Lacie quadra drives dismounted themselves everyday at least twice per day. International pcei are processed the next shipping day. So it seems that everything now needs a USB connection and preferably one that charges a battery or powers the unit.


Sonnet USBPM-E Allegro 4-Port USB PCI Express USBPM-E

Rated 5 out of 5 by Neill F. You plug it into an open PCIe slot and that’s it–no muss no fuss. Free Expedited Shipping vueqwuaaxctc. 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.

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