Other World Computing (OWC) has announced from NAB 2026, OWC Booth N2373, the launch of the OWC Express 4M2 Ultra, the first certified Thunderbolt 5 four-slot NVMe M.2 SSD enclosure.
Built for professionals seeking the fastest DIY RAID performance in a compact design, the OWC Express 4M2 Ultra enables customers to install their choice of NVMe M.2 drives and configure RAID 0, 1, 4, 5 or 10, as well as JBOD, for speeds of up to 6622MB/s. A solid aircraft-grade aluminium body and smart adaptive fan provide effective and quiet thermal management. A second Thunderbolt 5 port enables daisy chaining of up to five additional Thunderbolt devices, including additional Express 4M2 Ultra enclosures that can be combined into a single large-capacity volume. The OWC Express 4M2 Ultra is compatible with Thunderbolt 5, 4, 3 (Mac only), and USB4 systems.
“The OWC Express 4M2 Ultra is the fastest compact DIY NVMe RAID. Period. Thunderbolt 5 unlocks extraordinary bandwidth, and we designed this enclosure to let professionals harness every bit of it using the drives they trust and the RAID configuration their workflow demands,” said Larry O’Connor, Founder and CEO of Other World Computing (OWC). “Thunderbolt 5. Your drives… your RAID… it is about putting complete control, maximum performance and future-ready scalability into a single compact solution.”
OWC Express 4M2 Ultra Features/Benefits:
Up to 6622MB/s real-world performance: Build your own high-speed NVMe RAID with Thunderbolt 5 for fast transfers and intensive 8K+ video workflows.
Use your choice of NVMe drives: DIY flexibility to install four M.2 2280 or 2242 NVMe SSDs.
RAID ready: Easily manage RAID 0/1/4/5/10/JBOD with SoftRAID or use your preferred RAID utility.
Massive storage in a small footprint: Install up to 32TB with minimal desk space.
Expandable capacity: Connect additional Express 4M2 Ultra enclosures as a single volume for large storage space without sacrificing speed.
Connect all your devices: Second Thunderbolt port for connecting up to five additional Thunderbolt devices plus one USB peripheral.
Smart thermal management: Solid aircraft-grade aluminium housing with smart adaptive fan quietly keeps drives running efficiently.
Highly compatible: Use with Thunderbolt 5, 4 and USB4 Macs and PCs, as well as Thunderbolt 3 Macs.
The OWC Express 4M2 Ultra is available for pre-order now, starting at $399.99 for non-SoftRAID models and $549.99 with SoftRAID. The Express 4M2 Ultra will begin shipping in Q3 2026. To learn more and purchase, please visit: https://www.owc.com/solutions/express-4m2-ultra
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