OWC Express 4M2 4-Bay USB4 External SSD Enclosure with SoftRAID

BH #OWUS4EXP4M2S • MFR #OWCUS4EXP4M2S
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OWC Express 4M2 4-Bay USB4 External SSD Enclosure with SoftRAID
Key Features
  • 4 x NVMe M.2 SSD Slots
  • Supports M.2 2230, 2242, and 2280 SSDs
  • 40 Gb/s USB4 Interface
  • Up to 3200 MB/s Data Transfer Speed
Built to handle high speed backups, multiple media card offloads, and intense raw photo and 8K video editing sessions, the Express 4M2 4-Bay USB4 External SSD Enclosure from OWC / Other World Computing is designed for DITs and filmmakers, professional video editors, VFX artists, colorists, photographers, and other creative. Equipped with four NVMe M.2 SSD slots, the Express 4M2 supports four M.2 2230, 2242, or 2280 SSDs. Depending on your choice of SSD, data transfers speeds can reach as high as 3200 MB/s. OWC built the Express 4M2 with a software RAID controller that supports RAID 0, 1, 4, 5, 6, and 10, each of which provides performance, data redundancy, or a combination of both. For those who do not need a RAID, JBOD is also available.
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is the Softraid license perpetual ?

is the Softraid license perpetual ?
Asked by: Bernhard
The OWC Express 4M2 4-Bay USB4 External SSD Enclosure with SoftRAID (B&H # OWUS4EXP4M2S) will come bundled with SoftRAID Premium for three years. After three years, you'll have the option to either maintain a free plan with limited features or upgrade to SoftRAID premium.
Answered by: Luis F
Date published: 2025-12-09

Can this enclosure be used with WD Black 8TB ...

Can this enclosure be used with WD Black 8TB SN850X WITH the heatsink on the chips? Will they fit in the enclosure?
Asked by: Timothy
No, the OWC Express 4M2 4-Bay USB4 External SSD Enclosure does not fit the WD 8TB WD_BLACK SN850X Gaming Internal NVMe PCIe 4.0 SSD with Heatsink, BH # WEWDBB9H0080.
Answered by: JP A
Date published: 2025-08-13

If I select the SSD enclosure without softraid, ...

If I select the SSD enclosure without softraid, will I still be able to use RAID 0/1/5/10 via mechanical interface or JBOD only?
Asked by: Mark
You can use Apple's RAID assistant to do a software raid.
Answered by: David
Date published: 2025-12-01

Could this be used for a pc?

Could this be used for a pc?
Asked by: Nael
Yes, this OWC Express 4M2 4-Bay USB4 External SSD Enclosure is compatible with Windows PCs.
Answered by: Jordan K
Date published: 2025-10-23
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