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Silver rectangular NVMe enclosure with visible cooling fan and side ventilation slots

Acasis

Acasis TBU401 PRO Thunderbolt 4/3 USB4 NVMe Enclosure 40Gbps Active Cooling Fan

SKU CH-GP3Q-SPRDT

Thunderbolt 4/3 and USB4 enclosure holds any M.2 NVMe SSD up to 8 TB and cools it with a built-in fan to keep temperatures below 35 °C

  • TypeSSD Box
  • Up to 40Gbps transfer speed with Thunderbolt 4/3 and USB4 support
  • Active cooling fan keeps SSD below 35°C during extended use
  • Intel certified JHL7440 chip ensures broad compatibility across Thunderbolt and USB standards
  • Supports M.2 NVMe drives up to 8TB in 2230/2242/2260/2280 form factors
  • Plug-and-play setup with multiple cooling solutions including thermal pad and side vents

Acasis TBU401 PRO 40Gbps Enclosure

The Acasis TBU401 PRO is a Thunderbolt 4/3 and USB4 enclosure for M.2 NVMe SSDs. It uses an Intel certified JHL7440 controller to deliver up to 40Gbps transfer speeds. A built-in cooling fan and thermal pad keep the drive below 35°C during sustained workloads. The aluminium shell adds durability and helps dissipate heat.

Suits Thunderbolt or USB4 hosts needing fast

Ideal for users with Thunderbolt 3, Thunderbolt 4, USB4 or older USB 3.2, 3.1, 3.0 and 2.0 ports who want plug-and-play NVMe performance. The active fan makes it reliable for long transfers or heavy I/O. Not suited for buyers whose systems lack Thunderbolt or USB4 connectivity, or who need to install an SSD that already has a heatsink attached.

Fits 2230 2242 2260 2280 M-key

The enclosure accepts all common M.2 lengths from 2230 to 2280 in both M-key and B+M key layouts. Maximum supported capacity is 8TB. An SSD with a pre-fitted heatsink will not fit because of the thickness constraint, so a bare drive is required.

Highlights

  • Up to 40Gbps transfer speed with Thunderbolt 4/3 and USB4 support
  • Active cooling fan keeps SSD below 35°C during extended use
  • Intel certified JHL7440 chip ensures broad compatibility across Thunderbolt and USB standards
  • Supports M.2 NVMe drives up to 8TB in 2230/2242/2260/2280 form factors
  • Plug-and-play setup with multiple cooling solutions including thermal pad and side vents

Specifications

TypeSSD Box

Questions about this item

How loud is the built-in fan when the Acasis TBU401 PRO runs all day?

The active cooling fan keeps the SSD below 35 °C during extended use; the enclosure uses a low-noise fan design intended for quiet desktop operation.

What host port and cable does the Acasis TBU401 PRO need to reach 40 Gbps?

A Thunderbolt 4, Thunderbolt 3 or USB4 port and a certified 40 Gbps cable are required; the enclosure uses the Intel JHL7440 controller for full bandwidth.

Will my older USB 3.2 or USB 3.0 laptop work with the Acasis TBU401 PRO?

Yes — the JHL7440 controller is backwards compatible with USB 3.2, 3.1 and 3.0, though speeds will drop to the host port's maximum.

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