OWC Express 4M2 Four-Slot USB4 (40Gb/s) External NVMe M.2 SSD Enclosure

The OWC Express 4M2 family provides a versatile, high-performance external storage solution for creative professionals and power users. The four-slot USB4 (40Gb/s) enclosure supports NVMe M.2 2230, 2242 and 2280 SSDs and delivers real-world throughput up to 3200MB/s. Constructed from aircraft-grade aluminum, the enclosure offers rugged protection and efficient heat dissipation, while adaptive near-silent cooling fans engage only as needed. The product includes a 1.0M USB‑C 40Gb/s cable and an external power supply, and offers flexible software RAID support — RAID modes such as RAID 0/1/4/5/1+0 (10) and JBOD are supported via SoftRAID where available, along with Apple Disk Utility and Windows Disk Management/Storage Spaces. Broad compatibility with USB4, Thunderbolt and USB‑C Macs and PCs makes the Express 4M2 suitable for fast external storage, backup, and media workflows. Backed by a 2-year limited warranty.

• Worry-free: 2 Year OWC Limited Warranty
• Complete: Includes USB-C 40Gb/s cable
• Built for RAID: Certain models include OWC SoftRAID; the fastest and most flexible RAID 0/1/4/5/1+0 (10) tool. Also supports Apple Disk Utility RAID, Windows Disk Management RAID, and Windows Storage Spaces
• DIY easy: Use your choice of NVMe M.2 2230, 2242, or 2280 SSDs
• Near Silent Operation: Engineered with smart, adaptive fans that activate only when needed or under heavy load, making it ideal for uninterrupted creative focus
• Highly Reliable: Aircraft grade aluminum offers rugged protection of installed SSDs plus effective heat dissipation to keep everything cool for consistent top speed
• Highly Compatible: Use with USB4, Thunderbolt, and USB-C Macs and PCs
• Highly Capable: Up to 3200MB/s real-world performance