OWC Express 4M2 Ultra 32TB is a four-slot Thunderbolt 5 (80Gb/s) NVMe RAID enclosure pre-configured with SoftRAID for immediate use.
The unit ships with NVMe SSDs installed and RAID-configured, offering up to 6622MB/s over Thunderbolt 5 and compatibility with Thunderbolt 4/USB4 and Thunderbolt 3 systems.
Expandable to 128TB via daisy chaining and includes 3 Years of SoftRAID Premium plus a Thunderbolt 5 cable.
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OWC Express 4M2 Ultra 232TB is a four-slot Thunderbolt 5 (80Gb/s) NVMe RAID storage solution pre-configured with SoftRAID so it arrives ready to deploy for high-bandwidth editing and media offload.
The enclosure balances maximum NVMe performance, predictable RAID protection and daisy-chain expandability to support demanding production and post workflows.
Express 4M2 Ultra 232TB delivers up to 6622MB/s real-world performance when connected over Thunderbolt 5 (80Gb/s). When connected to Thunderbolt 4 or USB4 systems performance is up to 3200MB/s, and Thunderbolt 3 systems can reach up to 2800MB/s.
The unit ships with 32TB of NVMe capacity installed and supports up to 8.0TB per drive for a 32TB total in a single enclosure, and it can be expanded up to 128TB as one volume by daisy chaining additional Express 4M2 Ultra units.
NVMe SSDs are installed and RAID-configured via SoftRAID before shipping; SoftRAID Premium is included for 3 Years and supports RAID 0/1/4/5/10/JBOD plus predictive health monitoring and cross-platform APFS/HFS+ sharing features.
Use with Thunderbolt 5, Thunderbolt 4 and USB4 Macs and PCs as well as Thunderbolt 3 Macs; the enclosure includes a Thunderbolt 5 80Gb/s cable and provides a second Thunderbolt 5 port that connects up to five additional Thunderbolt devices plus one USB peripheral.
The four M.2 slots accept NVMe M.2 2242 and 2280 single- or double-sided PCIe 3.0/4.0/5.0 SSDs, enabling DIY upgrades and the ability to choose capacity and performance based on workflow needs.
The Express 4M2 Ultra uses a solid aircraft-grade aluminum body for passive cooling and protection, with a smart adaptive fan that quietly activates only during sustained workloads to maintain full drive speed without excessive noise.
The product includes a Thunderbolt 5 80Gb/s cable, 3 Years of SoftRAID Premium, and 2 Strada licenses for 90 days; the unit carries a 2 Year OWC Limited Warranty.
| Brand | OWC |
| Model | Express 4M2 Ultra 232TB |
| Manufacturer SKU | OWCTB5ULT4MT32 |
| Interface | Thunderbolt 5 (80Gb/s) |
| Ports | Two Thunderbolt 5 ports (host plus second port for daisy chaining) |
| Real-World Speed (Thunderbolt 5) | Up to 6622MB/s |
| Real-World Speed (Thunderbolt 4 / USB4) | Up to 3200MB/s |
| Real-World Speed (Thunderbolt 3) | Up to 2800MB/s |
| Maximum Capacity (single enclosure) | Up to 32TB |
| Per-Drive Maximum Capacity | Up to 8.0TB per drive |
| Expandable Capacity | Expandable to 128TB via daisy chaining additional Express 4M2 Ultra units |
| Drive Bays | Four NVMe M.2 slots |
| Supported Drive Sizes | M.2 2280 and 2242 (single- or double-sided) |
| Supported SSD Generations | PCIe 3.0 / PCIe 4.0 / PCIe 5.0 |
| RAID Levels | RAID 0 / 1 / 4 / 5 / 10 / JBOD |
| Pre-Configuration | NVMe SSDs installed and RAID-configured with SoftRAID before shipping |
| Included Cable | Thunderbolt 5 80Gb/s cable |
| SoftRAID | SoftRAID Premium included for 3 Years (includes predictive health monitoring, RAID management and APFS/HFS+ cross-platform sharing) |
| Strada Licenses | 2 Strada licenses for 90 days |
| Daisy Chain Support | Daisy chain up to five additional Thunderbolt devices plus one USB peripheral |
| Thermal / Chassis | Solid aircraft-grade aluminum body with smart adaptive fan that activates only during sustained workloads |
| Multi-Camera Ingest | Ingest over twice as fast vs 40Gb/s storage |
| PCIe Generation Performance Notes | Up to 6622MB/s achieved with PCIe 4.0 and later SSDs. PCIe 3.0 SSDs are limited up to 3800MB/s. PCI Express 5.0: Up to 1600MB/s single drive or JBOD and up to 6622MB/s in RAID 0. PCI Express 4.0: Delivers full Thunderbolt 5 bandwidth. PCI Express 3.0: Up to 950MB/s single drive or JBOD and up to 3800MB/s in RAID 0. |
| Compatibility | Use with Thunderbolt 5, Thunderbolt 4, USB4 Macs and PCs, and Thunderbolt 3 Macs |
| Warranty | 2 Year OWC Limited Warranty |
Generally, next working day delivery services (UK Mainland) are available on standard OWC Delivery orders placed before 2 pm (subject to stock availability).
Non-timed deliveries should be delivered between 9 am and 6 pm.
Orders placed after 2 pm on Fridays and weekends will be processed as normal the following Monday.
Orders placed on Bank Holidays will be processed the next working day.
If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.
Please note: these product details are for guide purposes only, and may contain errors.
We always recommend double-checking the product specs and features on the the manufacturer website, or contact us if unsure before ordering.
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