OWC - Express 4M2 Four-Slot USB4 (40Gb/s) External Storage Enclosure for NVMe M.2 SSDs (Enclosure with SoftRAID)

We heard you loud and clear (pun intended) when you said you loved everything about the Express 4M2 but wanted it quieter. After adding smart adaptive fans that only turn on when needed for near silent operation, we decided to give it USB4 connectivity for the optimum blend of compatibility, performance, and affordability. Now you can build a desktop/shuttle high-performance RAID with your choice of NVMe M.2 SSDs and get up to 3200MB/s performance with USB4, Thunderbolt, and USB-C Macs and PCs.

OWC Express 1M2 Ultra-fast, compatible, and reliable portable USB4 NVMe SSD. Choose DIY or ready-to-run solutions. Built to maximize the incredible speed capabilities of USB4, the Express 1M2 is OWC’s fastest portable SSD. It offers the power of choice to either build a drive or select the convenience of an OWC Aura powered solution and experience data transfers up to 3836MB/s with most Macs and PCs from 2020 and newer. Creative professionals and performance enthusiasts can also enjoy highly effective uses - like editing 4K video - and flexible compatibility with millions of yesterday’s Thunderbolt and USB-C machines and devices. Anyone can put a bunch of components in a housing and call it an enclosure or a drive. Or cut corners and just focus on speed to grab eyeballs. OWC is not just anyone. We’re a group of filmmakers, musicians, designers, content creators, and parents wanting to capture and preserve that irreplaceable moment. Like all OWC storage products, the Express 1M2 underwent rigorous development testing and certification processes. It was then subjected to extreme real-world use and abuse.

The Satechi DotDisk 80Gbps SSD Enclosure brings desktop-class performance to a compact, refined design built for modern creative and professional workflows. Engineered for USB4 V2, DotDisk delivers up to 80Gbps transfer speeds, offering performance comparable to next-generation Thunderbolt-class storage. Large project folders, high-resolution media, and data-intensive workloads move faster, helping reduce wait times during transfers, backups, and exports. To maintain consistent performance, DotDisk features active cooling system that helps prevent thermal throttling during long sessions. The precision-milled aluminum enclosure improves heat dissipation while providing durability and a clean, desk-first aesthetic that fits naturally into modern setups. Designed to grow with your needs, DotDisk supports 2280 NVMe SSDs up to 8TB, allowing you to upgrade storage over time without replacing the enclosure. This modular approach extends product lifespan while offering flexibility as projects and libraries expand. DotDisk is optimized for Thunderbolt 5 and USB4 V2, with backward compatibility for Thunderbolt 4, USB4 devices. Actual transfer speeds depend on the capabilities of the connected host device. Each enclosure includes a 30cm Thunderbolt 5 cable, thermal pad, screwdriver, replacement screws, and user manual for simple setup. Fast and thoughtfully designed, DotDisk delivers high-performance storage that feels calm, reliable, and built to last.