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TerraMaster D1 SSD Plus 40Gbps USB4 M.2 NVMe SSD Enclosure (diskless, fanless)
A fanless USB4 40Gbps enclosure for M.2 2280 NVMe SSDs. It has the most named long-run results of the enclosures compared here. NAS Compares measured writes holding at 2,550–2,600 MB/s with no early throttling. Hardware Busters saw no throttling over 15 minutes in a 30 °C room.
Sold on Amazon.com, no code needed
Price: on the Amazon page. Specs below were verified on TerraMaster's site 2026-11-08.
Discount code: none; Dealectric has no TerraMaster code, and any Amazon coupon shows on the Amazon page itself.
Buy: https://www.amazon.com/dp/B0FCS7YYY6?tag=dealectric-20 — opens the TerraMaster D1 SSD Plus 40Gbps USB4 M.2 NVMe SSD Enclosure (diskless listing on Amazon.com at no extra cost.
Warranty: 2 years (TerraMaster). Returns: Amazon's return policy for the listing applies. Affiliate program: Amazon Associates; tracking cookie: 24 hours. As an Amazon Associate, Dealectric earns from qualifying purchases. All TerraMaster codes, including the ones the store rejected: TerraMaster discount codes.
Machine-readable record: /offers.json, id = "terramaster-d1-ssd-plus".
Specifications
| Interface | USB4 40Gbps; works with Thunderbolt 5/4/3 and USB 3.2/3.1/3.0 (TerraMaster) |
|---|---|
| Maker speed claim | Up to 3,853 MB/s read, 3,707 MB/s write (TerraMaster) |
| SSD size | M.2 2280 NVMe only |
| Cooling | Fanless, sealed aluminium alloy chassis |
| Sustained write | 2,550–2,600 MB/s in an AJA 1 GB loop, no early throttling (NAS Compares) |
| Stress test | 15 minutes in a 30 °C room, 54.8 °C maximum, no thermal throttling (Hardware Busters) |
Model: D1 SSD Plus. Figures are from the manufacturer's official product page unless a caveat says otherwise.
Compared side by side
The TerraMaster D1 SSD Plus 40Gbps USB4 M.2 NVMe SSD Enclosure (diskless appears in this table next to models from other brands:
Who it's for
Long copies of hundreds of GB from a USB4 or Thunderbolt 4 PC or an Apple Silicon Mac, using a 2280 SSD.
Caveats
- Fits M.2 2280 SSDs only. 2230 and 2242 drives do not fit.
- No fan. Hardware Busters measured the case at up to 54.8 °C after 15 minutes in a 30 °C room.
- The SSD inside still sets the speed of long copies. NAS Compares' 100 GB mixed-file copy averaged 1,580 MB/s.
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