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Four-Slot Thunderbolt 5 (80Gb/s) External Storage Solution with SoftRAID
Mfr P/N: OWC SKU:
For Quebec residents: See the Availability Guarantee Disclosure below.
For Quebec residents: In compliance with Bill 29, OWC does not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided by manufacturer warranties, if any, remain in place. If you have further questions, please contact us.
You asked for it. We delivered. Express 4M2 Ultra combines everything creative professionals like you dreamed about: the freedom to choose any NVMe M.2 drive, the flexibility to configure your storage exactly how you need it, and the dramatically improved efficiency of your workflow with Thunderbolt 5 bandwidth. Now you can build a desktop powerhouse RAID with your choice of drives and experience up to 6622MB/s performance that turns massive 12K RAW video files, 8K multi-cam sequences, and monster photo libraries into effortless workflows. Prefer it ready to go? Configure yours with NVMe SSDs pre-installed in 4TB, 8TB, 16TB, and 32TB. From backing up media cards on set to working through intense VFX compositing in post, Express 4M2 Ultra delivers the customization and speed you need to stay ahead of deadlines.
Choose the bare enclosure and DIY build your own RAID or go DIFY (Do It For You) with NVMe SSDs pre-installed in 4TB, 8TB, 16TB, and 32TB capacities.
Up to 6622MB/s1 real-world speed for 12K RAW video, 8K multi-cam sequences, batch processing of high-res images, and large data sets.
Daisy chain up to five additional Thunderbolt devices plus one USB peripheral via the second Thunderbolt 5 port.
DIY easy install four NVMe M.2 2280 or 2242 single or double-sided PCIe 3.0/4.0/5.0 SSDs based on your current budget and performance needs. With support for RAID 0/1/4/5/10/JBOD via SoftRAID or another RAID utility, you decide the RAID level that meets your workflow needs.
A smart adaptive fan quietly activates inside the solid aircraft-grade aluminum body only when needed to keep your drives running at full speed without the noise that breaks creative focus or thermal throttling that kills productivity.
The DIY design lets you swap in faster, larger drives as they become available without having to buy a new enclosure while taking advantage of Thunderbolt 5's incredible speed to cut your ingestion times in half.
Use with Thunderbolt 5, 4, and USB4 Macs and PCs as well as Thunderbolt 3 Macs.
Start with up to 32TB today in a single enclosure and expand up to 128TB as one volume through daisy chaining additional Express 4M2 Ultras.
Includes Thunderbolt 5 80Gb/s cable.
Start with up to 32TB in a single compact enclosure. When you need more capacity, daisy-chain additional Express 4M2 Ultra units through the second Thunderbolt 5 port to create one huge, unified volume instead of juggling multiple drive letters or splitting projects across locations. Four enclosures give you 128TB and beyond. The second Thunderbolt 5 port also lets you connect up to five additional Thunderbolt devices plus one USB peripheral. Your workspace grows exactly how you need it. Production companies building shared storage arrays and solo creators future-proofing their setup get the same limitless scalability.
Engineered to support any NVMe M.2 2280 or 2242 SSD, this compact powerhouse gives you total freedom to choose your preferred brand, capacity and performance level, whether it’s bleeding-edge fast PCIe 5.0/4.0 drives or mid-level speed PCIe 3.0 drives you may already own.1 Add up to a massive 8.0TB capacity per drive for 32TB total. When tomorrow's 16TB drives hit the market, you can easily boost your Express 4M2 Ultra's capacity without buying a new enclosure. Your storage. Your choice. Your future.
Express 4M2 Ultra is the fastest DIY multiple NVMe SSD enclosure we offer and was purposefully built to harness Thunderbolt 5's incredible 80Gb/s bandwidth. Experience up to 6622MB/s performance with your Mac or PC. Connect to Thunderbolt 4 or USB4 systems and still get speeds up to 3200MB/s. Even Thunderbolt 3 Macs tap into blazing performance. You're never locked out, and you're always ready for your next system upgrade.
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Express 4M2 Ultra Connected to... |
Runs As |
Real-World Speed Up to |
|---|---|---|
|
Mac computer with Apple silicon M3/M4/M5 or newer with Thunderbolt 5 |
Thunderbolt 5 (80Gb/s) |
6622MB/s |
|
Mac computer with Apple silicon M-series with Thunderbolt 3/4 |
Thunderbolt 4 (40Gb/s) |
3200MB/s |
|
PC with Thunderbolt 5 |
Thunderbolt 5 (80Gb/s) |
6622MB/s |
|
PC with USB4/Thunderbolt 4 |
USB4 (40Gb/s) |
3200MB/s |
|
Intel Mac computer with Thunderbolt 3 |
Thunderbolt 3 (40Gb/s) |
2800MB/s |
In the fast-paced, tight-budget world of filmmaking where time is money, every minute saved is critical. When you're juggling multiple cameras or offloading a variety of media cards simultaneously, you’ll keep your production running ahead of schedule by ingesting over twice as fast with Express 4M2 Ultra vs 40Gb/s storage.
High-performance NVMe drives in RAID configurations generate serious heat. Whether you're rendering 8K footage, ingesting multiple media cards, or running intensive database operations, you get maximum performance without the noise that breaks creative focus or the thermal throttling that kills productivity. Express 4M2 Ultra's solid aircraft-grade aluminum body provides passive cooling and rugged protection, while a smart adaptive fan quietly activates only during sustained workloads.
More than just great song lyrics, you need to consider which PCIe SSD generation is appropriate for your unique needs. Check out the speeds you can experience when using different generation SSDs in Express 4M2 Ultra:
|
PCI Generation |
Single Drive or JBOD |
RAID 0 |
|---|---|---|
|
PCI Express 5.0 Engineered for higher sustained write performance, maintaining peak speeds longer during massive transfers and parallel offloads. |
Up to 1600MB/s |
Up to 6622MB/s |
|
PCI Express 4.0 Delivers full Thunderbolt 5 bandwidth with an ideal balance of speed, efficiency, and value for most professional workflows. |
Up to 1600MB/s |
Up to 6622MB/s |
|
PCI Express 3.0 Perfect for repurposing existing drives, delivering impressive performance for many real-world production tasks. |
Up to 950MB/s |
Up to 3800MB/s |
SoftRAID is the world’s fastest and most flexible application to configure, maintain, and protect your RAID volumes on Mac and PC. OWC enclosures include 3 Years of SoftRAID Premium.
Select OWC solutions and enclosures include 3 Years of SoftRAID Premium! See Includes section for details.
Strada turns your storage solution into a serious archival library at a fraction of what you would pay for equivalent cloud storage. With Strada (strada.tech), your remote team members can access, share, review, and edit files as if this drive was sitting right next to them. No costly cloud subscription. No time-consuming uploads. No shipping drives back and forth. Just because your hardware must stay in your studio doesn’t mean your files have to. Every qualifying OWC drive ships with Strada licenses included for 3 months, so your team can be working together the day it arrives.
Anyone can put a bunch of components in a housing and call it an enclosure or a drive. OWC is not just anyone. We’re a group of filmmakers, musicians, designers, content creators, and parents just like you wanting to capture and preserve that irreplaceable moment. Our data storage products go through countless hours of ongoing development testing and certification processes. We then subject them to extreme real-world abuses. The priority for some storage devices is to be a mass-produced, lowest price commodity. We do it differently because the reliability of your data and the longevity of an OWC product is priority #1.
Since 1988, our mission has focused on maximizing the usefulness and longevity of your technology investment. Our business operations share that same sustainability commitment. As the first 100% on-site wind powered technology manufacturer/distributor in the U.S., we now generate excess power. 97% of solid waste is recycled. These and other actions have resulted in our headquarters being Energy Star® and LEED® Platinum certified. Learn more about our passion for the planet we share at macsales.com/green
