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Silver rectangular enclosure with cooling vents and multiple ports visible

Acasis

Acasis TBU405Plus 40Gbps drive enclosure with 2×DP 1.4 4K60 2×USB 3.1 10Gbps

SKU CH-0CGK-2H7FG MPN TBU405Plus

A 40 Gbps enclosure dock adds two DisplayPort 1.4 4K60 outputs and two 10 Gbps USB ports while housing an M.2 SSD up to 8 TB

  • Up to 40Gbps data transfer with an installed M.2 SSD
  • Dual 4K60 display output via two DP 1.4 ports
  • Two USB 3.1 10Gbps ports for fast peripheral connections
  • Tool-free M.2 SSD installation with a built-in cooling fan
  • Supports up to 8TB of SSD storage capacity

40Gbps SSD enclosure with dual DisplayPort

This 6-in-1 enclosure and dock holds an M.2 SSD up to 8TB and connects through a single 40Gbps USB4 port. Two DisplayPort 1.4 outputs each drive a 4K display at 60Hz or combine for a single 8K60 panel. Two additional USB 3.1 ports at 10Gbps and a built-in cooling fan complete the package. Tool-free installation makes drive swaps quick and simple.

Professionals needing two 4K displays

Users who only need a single video output or require HDMI instead of DisplayPort should consider the alternative TBU405Plus-H model. The unit does not supply laptop charging power, so a separate power adapter remains necessary. Buyers without a 40Gbps host port will not reach the advertised transfer rates.

40Gbps USB4 host connection required for full speed

The enclosure delivers measured sequential speeds up to 2800MB/s only when the host provides a genuine 40Gbps USB4 or Thunderbolt link. On slower USB 3.2, 3.1 or 3.0 ports the transfer rate falls to the host's limit. Verify your system port before purchase.

Highlights

  • Up to 40Gbps data transfer with an installed M.2 SSD
  • Dual 4K60 display output via two DP 1.4 ports
  • Two USB 3.1 10Gbps ports for fast peripheral connections
  • Tool-free M.2 SSD installation with a built-in cooling fan
  • Supports up to 8TB of SSD storage capacity

Specifications

BrandACASIS

Questions about this item

Which host port must my computer provide to reach the 40 Gbps link speed?

The enclosure connects through a USB4 port that operates at 40 Gbps; a Thunderbolt 3 or Thunderbolt 4 port will also negotiate that speed.

Will my existing USB 3.0 peripherals still function when plugged into the 10 Gbps downstream ports?

Yes, the two USB 3.1 Gen 2 ports are backward compatible with USB 3.0, 2.0 and 1.1 devices, so older drives, keyboards or mice will work at their native rates.

How can I confirm the installed SSD is delivering the advertised 2800 MB/s throughput?

Run a sequential read/write benchmark such as CrystalDiskMark or AS SSD on the mounted volume; sustained results near 2800 MB/s indicate the drive and the 40 Gbps link are performing as specified.

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