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OWC Envoy Pro EX SSD
Blazingly fast Thunderbolt 3 SSD!

Up to 4TB capacity, USB-C compatible.

USB-C model also available


Great for travel or for desktop!

Mercury Accelsior 'E2' PCIe SSD with Dual eSATA Ports

Last updated 2013-04-06 - Send Feedback
Related: eSATA, Other World Computing, SSD, storage

See the other pages of this OWC Mercury Accelsior PCIe SSD review for an overview and test results.

The OWC Mercury Accelsior E2 appeared in late April 2013 (notes based on production cards received for testing in early April).

The 'E2' value proposition

The Accelsior was already a terrific value on the ultra high performance front, but the addition of eSATA ports is a very practical benefit: it cuts out the need for an extra PCIe card for eSATA (saves money, adds convenience), and it provides legacy connectivity for eSATA backup drives.

The Accelsior E2 variant sports dual eSATA ports, a boon for anyone looking to have both eSATA connectivity and a PCIe SSD; on a 2008-2012 Mac Pro this saves a precious PCIe slot (there are only three open slots).

The Accelsior E2 can be used on any Mac with Thunderbolt in the OWC Mercury Helios enclosure, thus adding both a PCIe SSD and dual eSATA ports.

Read about the OWC Mercury Accelsior E2 upgrade process on the next page.

OWC Mercury Accelsior E2 PCIe SSD (with flash modules), and prior Accelsior (without flash modules)
OWC Accelsior 4M2 PCIe SSD
6000 MB/sec!
Mac or PC.


Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
Save Big $$$$ on Memory for 2019 Mac Pro

Up to 65% better pricing than Apple

Lloyd recommends 32GB RDIMM modules for most users (more expensive LRDIMMS are for 512GB or more).



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