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Compact silver aluminium enclosure with cooling vents and Thunderbolt cable attached

Acasis

Acasis TBU405Air Thunderbolt 3 NVME M.2 drive enclosure

SKU CH-M7CC-YCDFA

Thunderbolt 3 NVME M.2 enclosure with built-in cooling fan supports up to 8TB and tool-free 2280 drive installation

  • SizeM.2
  • TypeEnclosure
  • Thunderbolt 3Yes
  • Maximum Capacity (per Bay)Up to 8TB
  • FanYes
  • Operating Systems SupportedWindows / Mac / Linux
  • Built-in cooling fan and vented aluminium keep the drive cool
  • Tool-free M.2 2280 installation lets you swap SSDs in seconds
  • Thunderbolt 3 40 Gbps link delivers up to 2805 MB/s read and 2734 MB/s write
  • Compact 9-ounce design fits in a pocket for travel
  • Works with Thunderbolt 3/4, USB4, Windows, macOS and Linux

Thunderbolt 3 NVME enclosure

The Acasis TBU405Air is a compact Thunderbolt 3 NVME M.2 enclosure designed for users who need fast external storage on laptops or desktops with Thunderbolt 3, Thunderbolt 4 or USB4 ports. It accepts single-sided and double-sided 2280 drives and requires no tools for installation. The aluminium shell includes a built-in cooling fan and thermal pads to manage drive temperature during sustained workloads.

8TB capacity with active cooling

Each bay supports drives up to 8TB, giving ample headroom for large media libraries, project files or system backups. In testing with a Samsung 980 EVO Plus on a MacBook Pro the enclosure reached sequential reads of 2805MB/s and writes of 2734MB/s, though actual throughput varies with the host system and the drive installed. The integrated fan and corrugated aluminium body help maintain those speeds under load without thermal throttling.

Upgrade from slower USB enclosures

This unit replaces USB 3.2, 3.1, 3.0 or 2.0 enclosures that cannot saturate modern NVME drives, and it is not compatible with those older USB interfaces. The jump is worthwhile when the host provides Thunderbolt 3, Thunderbolt 4 or USB4 and the workflow demands sustained transfer rates above what USB 3.x can deliver. Buyers whose computers only offer USB-A or USB-C without Thunderbolt or USB4 should choose a different model.

Points forts

  • Built-in cooling fan and vented aluminium keep the drive cool
  • Tool-free M.2 2280 installation lets you swap SSDs in seconds
  • Thunderbolt 3 40 Gbps link delivers up to 2805 MB/s read and 2734 MB/s write
  • Compact 9-ounce design fits in a pocket for travel
  • Works with Thunderbolt 3/4, USB4, Windows, macOS and Linux

Caractéristiques

BrandAcasis
SeriesThunderbolt 3 40Gbps Enclosure
ModelTBU405Air
SizeM.2
TypeEnclosure
Thunderbolt 3Yes
Maximum Capacity (per Bay)Up to 8TB
FanYes
Operating Systems SupportedWindows / Mac / Linux
Weight9 ounces

Questions sur cet article

Will the TBU405Air work with my older USB 3.2 or USB 3.0 ports?

The TBU405Air only operates with Thunderbolt 3, Thunderbolt 4 and USB4.0 interfaces. It is not compatible with USB 3.2, 3.1, 3.0 or 2.0 ports. For those connections you would need the TBU401 or TBU405 model instead.

How can I verify the enclosure is delivering the expected 40Gbps throughput after setup?

Run a benchmark such as Blackmagic Disk Speed Test or CrystalDiskMark with an NVME SSD installed. On a Thunderbolt 3 host you should see sequential reads near 2805 and writes near 2734, matching the reference result with a Samsung 980 EVO Plus.

What comes in the box and what must I supply myself?

The package includes the aluminum enclosure with built-in fan, a Thunderbolt 3 cable and extra thermal pads. You must provide an M.2 2280 NVME SSD (M-key or B&M-key). No screwdriver is required for installation.

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