Be the first to review this item. Opening and saving files much snappier. This slideshow requires JavaScript. Ask Different works best with JavaScript enabled. Post as a guest Name. The results here are a bit mixed, we can see that small inconsistencies get amplified by the raid controller causing erratic performance with drops. Mac Pro Throughput Mac Pro:

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OWC Dyllon 11 2. The reported performance is impressive as always for reads reaching a staggering higher than anything else has reported however writes are much lower This last time I did an OS X re-install my system just went and switched over to my internal disk and I keep getting a message that my Mercury Accelsior ejected improperly.

It is a PCIe 2.

Another weird thing is that my new External Hard drive goes with it at the same time, but my older hard drive also connected through one of the two eSata ports on the Mercury Accelsior stays connected? See the specifications tab for affected solutions where System Sleep mode MUST be disabled in order to ensure reliable operation. Boots fine and is much faster, although one of my external WD drives causes the boot process to lock if it is on at accelsiog time.

This is a known issue though and has nothing to do with the E2.

OWC Mercury Accelsior E2 Review

Rated 5 out of 5 by Scott from Great upgrade option for older Mac I’m a digital artist, illustrator, designer and photographer. Mac Pro Throughput Mac Pro: This high performance upgrade is designed and built in the U.


Sign up using Facebook. Faster boot, Photoshop and Illustrator open and save much faster as well. Email Required, but never shown. They said the old one checked out ok even though I did their tests at home before I sent it in.

These models have two x16 PCIe 2.

Opening and saving files much snappier. I got the Disk recognized and began to update it to Yosemite and update all my software.

Allowing system sleep to occur while one of the affected external drives is connected via the Accelsior E2 eSATA ports could result in loss of data following wake from sleep. Although this may vary based on the settings used obviously marvell the vendor for the raid controller on board has some work to do if a simple software raid can best their hardware accelerated controller. So, I am at a complete loss. Intelligent “recycling” for advanced free space management gradually re-writes data across the Mercury Accelsior E2 over time to ensure data never gets corrupted.

Post Your Answer Discard By clicking “Post Your Answer”, accelxior acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Yosemite didn’t cut it. Ask Different works best with JavaScript enabled. Installed a a few minutes. The eSATA ports do not support hot-swapping.


The Mercury Accelsior E2 delivers near instant startup and app launching.

: Mercury Accelsior ‘E2’ eSATA 6G Speed with HDD / SSD

Installs quickly and easily in PCI slot. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

There are also two eSATA ports on the card so merxury can connect your external storage drives to the system.

You do have an option accflsior download a driver for Mac Pro computers, which ensures proper powering down of Mercury Accelsior E2 during sleep and shutdown actions.

PCmark 8 includes a variety of real 2e scenarios using predetermined runs of real world software of which it records the time required to complete them and reports them.

So who is the drive for? When trying to install the new one, the only way I could get it to show up was by using an old DVD of Snow Leopard major reason why I like to have software on disk! Running the early versions of No Longer Available Update Location close.