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OWC Envoy Express

World’s first Thunderbolt 3 M.2 NVME SSD enclosure.

Super fast, bus-powered, 3.3 oz, DIY easy, rugged and compact!


See also OWC Express 4M2
√ No more slow and noisy hard drives!

Example of Verifying Data Integrity

As part of the OWC Mercury Accelsior E2 flash module swap process, I wanted to be certain that all data was intact, with rigor.

diglloydTools

This is easy with the right tools— use Integrity Checker update before the change, and IntegrityChecker verify after the flash module swap. Suspicious files: 0. It’s not just nice to have certainty, it’s essential.

For the 480GB single-volume Accelsior and the pair of RAID-0 striped Accelsiors, I used the command line version of IntegrityChecker to verify perfect data integrity before and after the swap (a GUI version can be used also).

Verification results

diglloyd:~ lloyd$ ic verify Scratch
IntegrityChecker(tm) v1.2 64-bit, diglloydTools 2.2.0, 2012-12-15 18:05
Copyright 2006-2012 DIGLLOYD INC. All Rights Reserved
Use of this software requires a license. See https://macperformanceguide.com/Software-License.html
OS X 10.8.3, 24 CPU cores, 81920MB memory
Friday, April 5, 2013 10:19:41 PM Pacific Daylight Time
ic verify Scratch
Using threads = 6, read buffer size = 4096K, num buffers = 36
Looking for files in "/Volumes/Scratch"...
1000...2000...3000...4000...5000...6000...7000...8000...8391 files found in 0.20 seconds.
Reading hash data from 2241 .ic files...100...200...300...400...500...600...700...800...
900...1000...1100...1200...1300...1400...1500...1600...1700...1800...1900...2000...
2100...2200...2238 hash-data files read in 0.52 seconds.
Selecting files for hashing...
Preparing to hash 6127 files...
Files prepared, hashing 6127 files...
0%:      3 files @ 0.2MB/sec, processed 256.1K
1%:    243 files @ 1099.7MB/sec, processed 2.34GB
1%:    249 files @ 837.4MB/sec, processed 3.28GB
2%:    351 files @ 1098.9MB/sec, processed 5.37GB
.
.
.
99%:   6119 files @ 1131.4MB/sec, processed 335.9GB
100%:   6122 files @ 1131.7MB/sec, processed 337.6GB
Finished reading 6127 files of 6127
100%:   6127 files @ 1128.0MB/sec, processed 337.6GB
Processed 337.6GB in 306.5 seconds @ 1128.0MB/sec
...
============================================================
ic verify Scratch (summary)
Friday, April 5, 2013 10:24:49 PM Pacific Daylight Time
============================================================
# Files with stored hash: 6127
# Files missing: 0
# Files hashed: 6127
# Files without hashes: 13
# Files whose size has changed: 0
# Files whose date changed: 1
# Files whose content changed (same size): 0
# Suspicious files: 0
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!
OWC Accelsior 4M2 PCIe SSD
6000 MB/sec!
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Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
OWC Thunderblade Thunderbolt 3 SSD

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√ No more slow and noisy hard drives!

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