We're sorry, but this item is no longer for sale. However, there may be more Internal Hard Drives & SSDs items available.
OWC Mercury Accelsior E2
SSD to PCIe 2.0 Adapter Card with Dual eSATA Ports for Mac Pro (2006 - 2012), Mac Pro (Late 2019 - Current), and PC Towers
Mfr P/N: SSDPHW2ES2UP OWC SKU: OWCSSDPHW2ES2UP
Highlights
- A cost-effective upgrade solution for owners of the original Accelsior PCIe SSD
- Use the blades from your original OWC Mercury Accelsior PCIe SSD, or just use it for the 2x eSATA ports
- 3 Year OWC Limited Warranty
All the great features of the original Accelsior PCIe SSD PLUS two eSATA expansion ports for additional external storage capacity!
Connect to Variety of OWC and NewerTech Storage Solutions
Use Your Existing Blades Or Upgrade To Larger Capacity
All The Same Great Accelsior Features
- Up to 820MB/s
- Capacity up to 960GB
- PCIe 2.0 x 2 SSD
- Two eSATA ports
The Ultimate External SSD for Thunderbolt Macs
Includes
- (1) OWC Mercury Accelsior E2 SSD to PCIe Adapter Card
- (1) Quick Start Guide for OWC Mercury Accelsior E2
- 3 Year OWC Limited Warranty
An eSATA 6Gb/s connecting cable is required to connect an external eSATA drive (available separately).
Specs
Formatted Capacity
- 0GiB
Drive Format
- Unformatted (Instructions on formatting here)
Form Factor
- Low Profile PCI Express
Drive Interface
- PCIe 2.0 x2, AHCI
Dimensions
- Height: 12.0 cm (4.7 in)
- Length: 18.0 cm (7.1 in)
- Width: 2.1 cm (0.8 in)
Weight
- 85.0 g (0.19 lbs)
RoHS Compliant
- Yes
Reach Certification
- Yes
Ambient Temperature
- Operating: 32°F to 158°F (0°C to 70°C)
- Non-Operating: -67°F to 302°F (-55°C to 150°C)
Idle (Typical)
- 0.0 bels
Seek (Typical)
- 0.0 bels
Benchmarks
Truth in Numbers: Another OWC Difference
There are many attributes that define “The OWC Difference.” By listing real-world performance tests of OWC solutions, we’re confident you’ll be completely satisfied with your technology investment.
macOS Test Results
QuickBench - 2010 Mac Pro

Videos
SSD Blade Install Video
Customer Reviews
- Reviewer:Shoboshi
Got this to make an old Mac Pro feel fast, and it does. I'm still using that 2009 Mac Pro and, other than the fact that I can no longer upgrade past El Capitan, I do not have a compelling reason to move to the next Mac Pro, just yet.
I would recommend this product to a friend!
- Reviewer:whyaduck
amazing increase in speed... Thank you very much !!!
I would recommend this product to a friend!
- Reviewer:smalltrees
- From:Great NW
- Age:55-65
- Experience:Power User
- Owned Product:less than a month