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OWC Thunderblade Thunderbolt 3 SSD

Blazing fast, up to 16TB.

YEE HAH!



√ No more slow and noisy hard drives!

Apple’s Fusion Drive Technology

2012-10-31 - Send Feedback
Related: hard drive, SSD, storage

With the new MacMini and new iMac, Apple offers its new “Fusion” drive, which front-ends a hard drive with a 128GB SSD (probably 120GB in reality, given Apple’s checkered history in mis-stating capacity).

Write operations hit the SSD drive first and thus are relatively fast compared to the hard drive, and some files are also stored on the SSD for fast access (OS files, applications).

Benefits of a Fusion volume

Generally speaking, Fusion is a good idea for the majority of users that use their machines for casual to moderate use:

  • Terrific out-of-the-box performance, since everything is on the fast SSD.
  • Simple all-in-one approach ideal for most Mac users.
  • Fusion maintains a 4GB buffer on the SSD, so that most file saves, file downloads, Finder duplicate, etc all benefit from SSD speeds (so long as 4GB or less at any one time).
  • Transparent overflow to hard drive as needed.
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Accessories • batteries • cables, docks • hard drives and SSDs • Mac hardware • new and pre-owned Macs • Thunderbolt
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Downsides of a Fusion volume

Fusion is not the best choice for guaranteed performance, nor does it offer peak speed or as much SSD capacity as alternatives.

  • Relatively expensive compared to 3rd-party larger capacity and higher performance SSD.
  • No ability to guarantee performance for critical files.
  • Not of benefit for high performance environments which can easily overflow the 4GB write buffer and/or regularly use large files and/or files that never make it onto the SSD.
  • No evidence of smart migration in real world usage, see Does Fusion Actually Migrate Files?. This undermines the theoretical benefits for users with larger numbers of files.

You can set up your own Fusion drive on any Mac with appropriate hardware.

 

OWC Envoy Pro Elektron

Ultra-high performance across entire capacity, outperforms the competition.

Tiny, bus-powered, rugged, compact!


√ No more slow and noisy hard drives!
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!
Mac or PC.


Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
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