40Gbps M.2 NVMe SSD Enclosure TBU405 PRO
#1
FREEGENE

ACASIS 40Gbps M.2 NVMe SSD Enclosure TBU405 PRO

Rating

Model: TBU405 PRO
$91.19(incl. tax)Amazon price as of 2025-09-29
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Product Overview

The ACASIS 40Gbps M.2 NVMe SSD Enclosure TBU405 PRO is designed for high-speed data transfer and efficient cooling. It features a built-in cooling fan and heat dissipation holes to protect the SSD from thermal throttling. Compatible with Thunderbolt 4/3 and USB4/3.2/3.0/2.0, it supports various SSD sizes (2280/2260/2242/2230). The enclosure is travel-friendly and comes with a 3-year warranty or lifetime technical support.

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Product Specifications

Supported SSD Type
NVMe
Supported SSD Size
2280/2260/2242/2230
Interface
Thunderbolt
Data Transfer Rate
4.25Gbps
Material
Aluminum
Cooling Solution
Cooling Fan
UASP Support
-
Trim Support
-
Power Source
-
Dimensions
-mm

Size & Weight

Weight
11.5 ounces
Hight
1.14 inches
Width
4.53 inches
Depth
6.1 inches

Features

Tool-Free Installation Function

The tool-free installation simplifies the process of installing or replacing an SSD, saving time and effort. It is very convenient for quick upgrades or maintenance, making it user-friendly for both beginners and experienced users.

External Heat Dissipation Function

The external heat dissipation design, with a heatsink and fan, effectively cools the SSD, preventing performance degradation due to thermal throttling and ensuring stable, sustained performance. This is crucial for maintaining high transfer speeds during prolonged use.

Write Protection Function

This enclosure does not have a write protection function, so it is impossible to prevent data from being written to the SSD. This might be a limitation for users who need to ensure data integrity during viewing or sharing.

UASP Support Function

It is not clear whether this enclosure supports UASP. Without UASP support, data transfer speeds might be limited compared to enclosures that support this protocol. UASP can significantly improve transfer speeds on compatible systems.

LED Indicator Function

The LED indicator provides a quick visual confirmation of the enclosure's operating status, making it easy to troubleshoot connection issues or confirm data transfer activity. This simple feature enhances the user experience by providing immediate feedback.

Multiple Size Support Function

Supporting multiple M.2 SSD sizes (2230, 2242, 2260, 2280) provides flexibility when upgrading or repurposing existing SSDs, making it a versatile choice for various storage needs. This ensures compatibility with a wide range of SSDs.

SHOPSTAFF Rating Score

#1
Ranked #1 out of 66 products in Category
4.7
Overall Rating

The ACASIS TBU405 PRO offers high-speed data transfer with effective cooling. It is suitable for users needing fast external storage for large files and demanding applications. The aluminum build and cooling fan enhance durability and performance.

Supported SSD Type and Size
5.0
This enclosure supports NVMe SSDs and multiple sizes, offering great flexibility for different storage needs and ensuring compatibility with high-speed drives. It accommodates various M.2 SSD lengths, making it versatile for different applications.
Interface and Transfer Speed
5.0
The Thunderbolt 4/USB4 interface provides ultra-fast transfer speeds, maximizing the potential of NVMe SSDs for rapid data access and transfers. It ensures efficient performance for large file transfers and demanding applications.
Cooling Solution
4.9
The combination of a heatsink and fan effectively dissipates heat, preventing thermal throttling and maintaining consistent performance during prolonged use. This ensures stable operation even under heavy workloads.
Build Quality and Material
4.7
The aluminum construction provides excellent durability and heat dissipation, ensuring the enclosure can withstand daily use and protect the valuable SSD inside. The robust build quality enhances its reliability and longevity.
Portability and Size
4.5
Its compact size makes it easy to carry, and although slightly larger than some ultra-portable options, the added cooling justifies the slight increase in size. It strikes a good balance between portability and functionality.
Ease of Installation
4.9
The tool-free design simplifies the installation process, allowing users to quickly and easily install or swap SSDs without needing any tools. This user-friendly design saves time and effort during setup.
Manufacturer Reliability and Warranty
4.5
ACASIS is known for producing reliable storage solutions, and this enclosure comes with a solid warranty, providing peace of mind for users. Their customer support and warranty service are generally reliable.
Cost Performance
4.2
Priced reasonably, it offers excellent performance and features compared to other enclosures in the same range, making it a worthwhile investment for those needing high-speed storage. It provides a good balance of price and performance.

Brand & Manufacturer Details

ACASIS
ACASIS develop and market a wide range of computer accessories & peripherals, including SSD Enclosues, USB Hubs, USB Docking Station, Capture Card and more.

Key Highlights

  • High transfer speeds with Thunderbolt 4/USB4
  • Effective cooling system with fan and heatsink
  • Tool-free installation
  • Compact and travel-friendly design

Considerations

  • Ensure proper SSD installation to avoid connector damage.
  • Regularly check the cooling fan for dust.
  • Use the included Thunderbolt cable for optimal performance.

Recommended For

  • Video editors
  • Photographers
  • Gamers
  • Professionals needing fast external storage
  • Users of Mac mini M4/M1/M2 Pro/Max

Not Recommended For

  • Users with SATA SSDs
  • Users needing write protection
  • none in particular

Suitable For

  • High-speed data transfer
  • Video editing
  • Gaming
  • External storage for demanding applications
  • Backups

Not Suitable For

  • Archiving infrequently accessed data
  • Low-intensity tasks
  • Environments requiring complete silence
  • none in particular

Frequently Asked Questions (FAQ)

Q.I'm not very tech-savvy. Is this enclosure easy to set up, even for someone with limited experience?
A.Staff confirmations indicate the enclosure is generally easy to use, but the included instructions may be incomplete. Some users recommend watching a YouTube video for visual guidance, especially regarding the plastic adapter and heat shield. The tool-less installation is a plus, and the device is reported to be immediately available once plugged in.
Q.I'm concerned about the enclosure getting too hot during large file transfers. How effective is the cooling system?
A.The ACASIS enclosure features a built-in cooling fan and heat dissipation holes. Staff confirmations mention that it runs cool even during large file transfers and doesn't get overly hot. One staff member noted a maximum temperature of 110 degrees F after transferring 4TB of data. The aluminum alloy construction also aids in heat transfer.
Q.I've seen some conflicting information about the actual data transfer speeds. Can I really expect 40Gbps?
A.While the enclosure is advertised as 40Gbps, staff confirmations clarify that the actual speeds are lower due to Thunderbolt limitations and reserved bandwidth for display output. The maximum achievable speed is around 3,000 MB/s. However, this is still considered very fast and a significant improvement over USB 3.0 enclosures. To reach the full potential, it needs to be paired with the right SSD and cable (included).
Q.I plan to use this with my Mac Mini. Is it fully compatible with Thunderbolt 4?
A.Yes, the ACASIS enclosure is fully compatible with Thunderbolt 3 and 4, making it suitable for use with Mac Mini M1/M2 Pro/Max models. Staff confirmations confirm it works great with both Mac and PC systems. For optimal performance, ensure you are using the included Thunderbolt 3/4 cable.
Q.I've heard some staff had issues with used products being sold as new. How can I ensure I receive a brand new, fully functional enclosure?
A.One staff confirmation mentioned receiving a used product initially, which caused connection issues. The staff member suggests that this might be an issue with Amazon's return process. To avoid this, carefully inspect the packaging upon arrival and ensure that all components are new and unused. If you encounter any issues, contact Amazon or the seller immediately for a replacement.

SHOPSTAFF Rating Ranking

#1

FREEGENE

40Gbps M.2 NVMe SSD Enclosure TBU405 PRO

$91.19(incl. tax)Amazon price as of 2025-09-27

40Gbps M.2 NVMe SSD enclosure with cooling fan, compatible with Thunderbolt 4/3 and USB4/3.2/3.0/2.0.

Supported SSD TypeNVMeSupported SSD Size2280/2260/2242/2230
InterfaceThunderboltData Transfer Rate4.25 Gbps
MaterialAluminumCooling SolutionCooling Fan
UASP Support-Trim Support-
Power Source-Dimensions- mm
Tool-Free Installation FunctionExternal Heat Dissipation FunctionWrite Protection FunctionUASP Support FunctionLED Indicator FunctionMultiple Size Support Function
4.7Overall Rating
5.0Supported SSD Type and Size
5.0Interface and Transfer Speed
4.9Cooling Solution
4.7Build Quality and Material
4.5Portability and Size
4.9Ease of Installation
4.5Manufacturer Reliability and Warranty
4.2Cost Performance
#2

FREEGENE

40Gbps M.2 NVMe SSD Enclosure TBU405 Air

$53.99(incl. tax)Amazon price as of 2025-09-27

40Gbps M.2 NVMe SSD enclosure compatible with Thunderbolt 4/3 USB4, tool-free installation, supports 2280/2260/2242/2230 SSD.

Supported SSD TypeNVMeSupported SSD Size2280/2260/2242/2230
InterfaceThunderbolt 4 / USB4Data Transfer Rate40 Gbps
MaterialAluminumCooling SolutionHeatsink
UASP SupportYesTrim SupportYes
Power SourceUSB bus-poweredDimensions - mm
Tool-Free Installation FunctionExternal Heat Dissipation FunctionWrite Protection FunctionUASP Support FunctionLED Indicator FunctionMultiple Size Support Function
4.6Overall Rating
5.0Supported SSD Type and Size
5.0Interface and Transfer Speed
4.5Cooling Solution
4.5Build Quality and Material
4.5Portability and Size
5.0Ease of Installation
4.0Manufacturer Reliability and Warranty
4.0Cost Performance
#3

FREEGENE

40Gbps M.2 NVMe SSD Enclosure TBU405

$75.99(incl. tax)Amazon price as of 2025-09-27

40Gbps M.2 NVMe SSD enclosure compatible with Thunderbolt 4/3 and USB, supporting multiple SSD sizes.

Supported SSD TypeNVMeSupported SSD Size2280/2260/2242/2230
InterfaceThunderbolt 4 / USB4Data Transfer Rate40 Gbps
MaterialAluminumCooling Solution-
UASP SupportYesTrim Support-
Power SourceUSB bus-poweredDimensions- mm
Tool-Free Installation FunctionExternal Heat Dissipation FunctionWrite Protection FunctionUASP Support FunctionLED Indicator FunctionMultiple Size Support Function
4.5Overall Rating
5.0Supported SSD Type and Size
5.0Interface and Transfer Speed
4.0Cooling Solution
4.5Build Quality and Material
4.5Portability and Size
4.9Ease of Installation
4.0Manufacturer Reliability and Warranty
4.0Cost Performance
#4

ASUS

ROG STRIX Arion ESD-S1C

$59.99(incl. tax)Amazon price as of 2025-09-27

Aluminum alloy M.2 NVMe SSD enclosure with USB 3.2 Gen 2 Type-C for up to 10 Gbps transfer speeds.

Supported SSD TypeNVMeSupported SSD Size2280/2260/2242/2230
InterfaceUSB 3.2 Gen 2Data Transfer Rate10 Gbps
MaterialAluminum AlloyCooling SolutionThermal Pads
UASP SupportYesTrim Support-
Power SourceUSB bus-poweredDimensions7.1 x 3.8 x 1.6 inches mm
Tool-Free Installation FunctionExternal Heat Dissipation FunctionWrite Protection FunctionUASP Support FunctionLED Indicator FunctionMultiple Size Support Function
4.5Overall Rating
5.0Supported SSD Type and Size
3.5Interface and Transfer Speed
4.5Cooling Solution
4.7Build Quality and Material
4.5Portability and Size
4.8Ease of Installation
4.5Manufacturer Reliability and Warranty
4.3Cost Performance
#5

WAVLINK

40Gbps PCIe NVMe SSD Enclosure U41F

$65.99(incl. tax)Amazon price as of 2025-09-27

40Gbps USB4 NVMe PCIe SSD Enclosure with aluminum alloy body, dual-sided perforated design, and built-in fan.

Supported SSD TypeNVMeSupported SSD Size2280
InterfaceUSB4Data Transfer Rate40 Gbps
MaterialAluminumCooling SolutionHeatsink & Fan
UASP SupportYesTrim SupportYes
Power SourceUSB bus-poweredDimensions119.38 x 50.8 x 17.78 mm
Tool-Free Installation FunctionExternal Heat Dissipation FunctionWrite Protection FunctionUASP Support FunctionLED Indicator FunctionMultiple Size Support Function
4.5Overall Rating
3.5Supported SSD Type and Size
5.0Interface and Transfer Speed
4.8Cooling Solution
4.7Build Quality and Material
4.5Portability and Size
4.9Ease of Installation
4.0Manufacturer Reliability and Warranty
4.3Cost Performance