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Designed for the most demanding needs of photographers and videographers.
Connect and charge all of your devices through a single Thunderbolt or USB-C port.


Consult with Lloyd to determine the ideal setup for your particular workflow including CPU cores, GPU, memory, SSD, internal and external storage, backup and fault tolerance, color management, whether for video or still photography, including what is best for Photoshop, Lightroom, Capture One, focus stacking, panoramas, etc.

MPG still recommends getting at least a 2TB Apple SSD when ordering the 2019 Mac Pro, but this looks like a no-brainer.

Learn more about the OWC Accelsior 4M2 PCIe SSD, available in 1TB, 2TB, 4TB, 8TB and 0TB DIY.

Get twice the storage at up to twice the speed for about the same cost!

Get 16TB SSD (two 8TB PCIe cards) for about $3000 versus about $2600 for a single Apple 8TB SSD in the 2019 Mac Pro.

With two 8TB PCIe SSD cards set up as a RAID-0, the speed should be 3X to 4X the speed of the Apple SSD. Somewhere around 9 to 12 GB/sec, my guess is ~10 GB/sec real world.

Get OWC Accelsior 4M2 PCIe SSD at

OWC Accelsior 4M2 PCIe SSD


WOODSTOCK, IL – December 19, 2019 - OWC®; a leading zero emissions Mac and PC technology company and one of the world’s most respected manufacturers of hard drives, SSDs, Mac & PC docking solutions and performance upgrade kits, today announced the all-new Accelsior 4M2 ultra high-performance PCIe M.2 NVMe internal SSD that delivers over 6,000MB/s real-world speeds in capacities up to 8TB. The Accelsior 4M2 is the fastest SSD ever built by OWC and is the perfect storage solution for large format video editing, VR/AR/MR environments, extreme gaming, compute-intensive applications and other high bandwidth needs.

Incredible Versatility

Whether you have the 2019 Mac Pro , a 2012 Mac Pro 2012 or 2010, or PC tower, the Accelsior 4M2 delivers the blazing performance, unstoppable reliability and stunning versatility that are the hallmarks of OWC’s brand reputation. As a half-length x8/x16 compatible card, this game-changer offers true versatility, so users can install it in full-length PCIe 3.0 or 2.0 slots as well. Even Thunderbolt 3-equipped laptops can experience the performance boosting benefits of Accelsior 4M2 with Plug-and-Play ease using the OWC Mercury Helios 3S PCIe expansion chassis (sold separately). In other words, it’s incredibly versatile.

Insane Performance

Accelsior 4M2 was designed to address each of its four NVMe blade style drives at full x4 PCIe speeds, so whether users are running a single drive on the Accelsior 4M2 or running four in JBOD, each drive has the capability to run at full speed. Oh, and if over 6,000MB/s of real-world speed and 8TB of capacity isn’t enough to meet the task, users can RAID two Accelsior 4M2 cards together to experience out of this world exponential performance. With NVMe SSDs powering its heartbeat, Accelsior 4M2 offers the fastest data rates ever delivered by an OWC SSD. In other words, it’s insanely fast.

Easy and Complete Drive Health Monitoring, TRIM, and Performance Management

Accelsior 4M2 includes SoftRAID Pro to ensure you get the maximum, steady performance, protection and monitoring against drive failure, and plug and play simplicity. SoftRAID is the only solution with robust drive health monitoring and reporting capabilities and full TRIM support for attached external and PCIe slot NVMe drives under MacOS. SoftRAID’s easy setup makes it customize storage to the RAID volume(s) your applications need by helping you through the entire process. Ready to go Plug-and-Play or just decide what you’re use requirements are for desired RAIDs and how much space to allocate to it. It's that simple to create your preference of speed and/or redundancy attributes of your data volume.

Change Your Reality

Accelsior 4M2 offers performance gains in so many diverse ways that it will literally change the paradigm for storage applications. For 4K and 8K video and VR environments it allows streaming and editing without a glitch, plus faster previews, renders, and processing in VFX programs. Keep page scenery and textures looking sharp and flowing uninterrupted in virtual reality environments and ensure augmented reality visualizations look life-like. Hard core gamers can change game levels seamlessly and play flight/driving/MMO games with continuously changing scenery and heavily personal preference modded games without micro-stuttering.


  • Supercharges Macs and PCs - ideal for Mac Pro 2019, Mac Pro 2012 or 2010, and PC towers
  • Work faster – over 6,000MB/s real-world speed in RAID 0 OWC
  • Aura P12 powered solutions – advanced PCIe 3.0 M.2 NVMe Technology
  • Store more – store up to 8TB of critical footage, images, files and games
  • Bootable – start working in seconds Slot-powered – no extra power cables needed
  • Includes SoftRAID: robust software for TRIM, healthy monitoring and custom creation and management of advanced RAID sets
  • Deployment ready – pre-configured solutions undergo performance verification
  • Silent cooling – finned heat sink cover for fan-less operation
  • Highly versatile – installs into a full-height, half-length x8 or x16 PCIe 3.0 or 2.0
  • Plug and Play – no drivers needed
  • Worry-free – up to 5-year OWC Limited Warranty

Pricing & Availability

The Accelsior 4M2 SSD is available now for pre-order at in capacities from 0GB (add your own drives) starting at $249.99, or from 1TB to 8TB with pricing starting at $519.99. It will begin shipping the week of December 30th.

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