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Acasis 40gbps M2 Nvme Comparison - August 2025
| 1 Best Choice  9.9Exceptional | 2  9.6Exceptional | 3  9.3Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelACASIS 40Gbps M.2 NVMe SSD Enclosure with Cooling Fan, Tool Free Installation, TBU401 Pro for M1 M2 Pro/Max, Compatible with Thunderbolt3/4/5,USB4/3.2/3.1/3.0/2, Support 2280/2260/2242/2230 B+M M-Key | Model ACASIS Mac mini Dock Dual Monitor with 40Gbps M.2 NVMe SSD Enclosure, Mac mini Hub with 2*DP1.4, 2*USBA 3.1, 1 USB C 10Gbps, Cooling Fan Design, Works for M1/M2, Compatible with USB4/3.2/3.1/3.0 | Model ACASIS 40Gbps M.2 NVMe SSD Enclosure, with Cooling Fan, TBU 405 Pro for M1 M2 Pro/Max, Compatible with Thunderbolt 4/3/USB3.2/3.1/3.0/2.0, M.2 Enclosure Support SSD 2280/2260/2242/2230 B+M M-Key |
BrandACASIS | Brand ACASIS | Brand FREEGENE |
Reviews | Reviews | Reviews  |
Tech Specs | ||
item weight10.8 ounces | item weight 14 ounces | item weight 11.5 ounces |
customer reviews4.5 4.5 out of 5 stars 509 ratings 4.5 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 401 ratings 4.4 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 399 ratings 4.4 out of 5 stars |
package dimensions5.71 x 3.94 x 1.54 inches | package dimensions 6.14 x 4.61 x 2.48 inches | package dimensions 6.1 x 4.53 x 1.14 inches |
Available On  | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1ACASIS19% OffACASIS 40Gbps M.2 NVMe SSD Enclosure with Cooling Fan, Tool Free Installation, TBU401 Pro for M1 M2 Pro/Max, Compatible with Thunderbolt3/4/5,USB4/3.2/3.1/3.0/2, Support 2280/2260/2242/2230 B+M M-Key
Main highlights- Widely Compatible: The ACASIS 40Gbps hard drive enclosure is the first choice for gamers, video editors, photographers and office workers. It supports M/B+M key NVMe SSDs up to 8TB and is compatible with Windows/Mac OS/Linux/Android sizes 2230/2242/2260/2280 without drivers (Note: SATA NGFF SSDs or mSATA SSDs are not supported).
- Why can't I reach the expected speed? --Expected read/write speeds are 2500-3000Mbps due to the 18Gbps available bandwidth of the Dp signal.
- UPGRADED TBU401 PRO BUILT-IN COOLING FAN: The 40GBps M.2 NVMe SSD Enclosure features a triple cooling mechanism.The pure aluminum alloy casing has excellent thermal conductivity, and the silicone thermal pads absorb and disperse heat generated by the hard drive. The high-speed cooling fan and cooling holes accelerate the cooling process, effectively reducing the hard disk temperature and improving the stability and reliability of the hard disk.
- Tool-less Installation: Nvme Enclosure 40gbps installs in 5 seconds without screws and is plug-and-play. Comes with certified Thunderbolt 4 cable and silicone thermal paste. Compact and portable design, perfect for long distance traveling.
- Lightning Fast 40Gbps: This 40Gbps M.2 NVME SSD enclosure is built-in with JHL7440+ RTL9210 dual chipset, supports UASP acceleration protocol, comes with USB4 compatible Type-C interface, and is compatible with Thunderbolt 3/4/5 for optimal speed. Tested on a MacBook Pro with Samsung 980 EVO Plus, read and write speeds were up to 2805.58MB/s and 2734.79MB/s respectively(speeds may vary by system).
- JHL7440 Intel Certified Chip: ACASIS 40Gbps M.2 SSD Enclosure is equipped with JHL7440 + RTL9210 chips, dual chips are more stable and reliable, better heat dissipation, fully compatible with thunderbolt3/4/5, USB4, backward compatible with USB3.2/3.1/3.0/2.0.
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9.6
2ACASIS
ACASIS Mac mini Dock Dual Monitor with 40Gbps M.2 NVMe SSD Enclosure, Mac mini Hub with 2*DP1.4, 2*USBA 3.1, 1 USB C 10Gbps, Cooling Fan Design, Works for M1/M2, Compatible with USB4/3.2/3.1/3.0
Main highlights- UNIVERSAL COMPATIBILITY: This M.2 NVMe Enclosure supports M1 M2 Pro/Max Mac devices and iPad Pro.Compatible with Windows, macOS and Linux. Compatible with USB 4/3.2/ 3.1/ 3.0/ 2.0 at respective speed limits to meet a variety of work and daily needs.
- Internal Storage Expansion –Our Mac Mini Dock supports 8TB M.2 SSD with read and write speed limit up to 2800mb/s and sizes 2230/2242/2260/2280 for convenient storage.
- Efficient Heat Dissipation: Built-in Fans and aluminum alloy body with metal thermal conduction slots ensure optimal temperature control during operation
- Dual Monitor Display: Expand up to two screens with resolutions up to 8K at 60Hz for single-screen use and 4K at 60Hz for dual-screen use. Perfect for video conferencing and home entertainment.
- 6-In-1 ACASIS Dock With 40gbps nvme enclosure–TBU405Plus features 2*DP1.4, 2*USBA 10Gbps, 1 USB C 10Gbps. Whether it's expanding screens, computer interfaces, or memory, this product has you covered.
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9.3
3FREEGENE
ACASIS 40Gbps M.2 NVMe SSD Enclosure, with Cooling Fan, TBU 405 Pro for M1 M2 Pro/Max, Compatible with Thunderbolt 4/3/USB3.2/3.1/3.0/2.0, M.2 Enclosure Support SSD 2280/2260/2242/2230 B+M M-Key
Main highlights- UPGRADED TBU405 PRO BUILT-IN COOLING FAN: We add a Built-in Cooling Fan and heat dissipation holes to the aluminum alloy shell to acheive better heat dissapation.（Note：SSD NOT INCLUDE, Before use, press the Switch button to turn on the fan）
- UNIVERSAL COMPATIBILITY: This M.2 NVMe Enclosure supports M1 Pro/Max Mac devices and iPad Pro.Compatible with Windows, macOS and Linux. Compatible with USB 4/3.2/ 3.1/ 3.0/ 2.0 at respective speed limits to meet a variety of work and daily needs.
- POCKET SIZE TRAVEL-FRIENDLY: This compact design make TBU 405 PRO easy to be carried in a handbag or pocket, nice for travel &business trips.
- LIGHTENING-FAST 40Gbps. Speed test with Samsung 980 EVO Plus on Macbook Pro, the Read / Write speed of ACASIS 40Gbps nvme enclosure reaches up to 2805MB/s / 2734MB/s(Different speed may vary from different system).
- JHL7440 INTEL CERTIFIED CHIP: Dual chip control, more stable and reliable, better heat dissipation, fully compatible with thunderbolt3/4, USB 4/3.2/3.1/3.0/2.0.（Note：SSD NOT INCLUDE）
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
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Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
