The Acasis USB4 enclosure (model TB406Pro) is a 40Gbps USB4 NVMe enclosure built for people who need serious speed from their M.2 SSD enclosure without the bulk. With pro-grade aluminum fin cooling and a fully fanless SSD enclosure design, it keeps your NVMe drive cool and quiet, even under heavy, sustained transfer loads.
40Gbps USB4 High-Speed Performance
Full 40Gbps USB4 bandwidth for near-native NVMe SSD read/write speeds.
Pro-Grade Aluminum Fin Cooling
Aluminum fin heatsink design pulls heat away from the drive to prevent thermal throttling.
Fanless Silent Operation
Zero noise, fanless SSD enclosure — ideal for quiet workspaces and studios.
Universal Mac & PC Compatibility
Plug-and-play compatibility across Mac and PC systems with USB4/Thunderbolt ports.
As a true NVMe SSD enclosure 40Gbps solution, the TB406Pro is built to unlock the full potential of modern M.2 SSD case USB4 setups — ideal for large file transfers, 4K/8K video editing, and fast backups where every second counts.
Instead of relying on a noisy fan, this silent NVMe enclosure with cooling fin uses a dense aluminum fin structure to dissipate heat passively — giving you sustained performance and a completely zero noise SSD enclosure experience.
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