Terramaster D1 SSD review: Cool-running, 10Gbps IP67-rated DIY storage
The Terramaster D1 SSD is a compact, IP67-rated external SSD enclosure that delivers reliable 10Gbps performance with efficient cooling under normal conditions. When connected via a Thunderbolt 5 port, it unexpectedly enumerated as an internal NVMe drive, achieving speeds of up to 4GBps read and 2GBps write, far exceeding its rated performance. This anomalous behavior, while impressive, led to system instability and is not recommended for regular use.
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Reviews Terramaster D1 SSD review: Cool-running, 10Gbps IP67-rated DIY storage Rugged and weatherized, the D1 SSD enclosure is a good 10Gbps performer normally, but threw us a curveball when attached to a Thunderbolt port by enumerating as internal NVMe storage and performing like such. By Jon Jacobi Contributor, PCWorld May 1, 2026 4:00 am PDT Image: Jon L. Jacobi At a glanceExpert's Rating Pros Only $40 IP67 weatherizing Super efficient cooling via finned design Good 10Gbps performance Cons Short two-year warranty Connected as NVMe on a Thunderbolt port with bizarrely fast performance (and system issues) Our Verdict TerraMaster’s 10Gbps D1 SSD enclosure delivers good 10Gbps performance in a heat-shedding, weatherized design under normal circumstances.
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