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The ACASIS 40Gbps M.2 NVMe SSD Enclosure (TBU 405) is a compact, aluminum-built external enclosure designed for M.2 2280 B+M M-Key SSDs. Certified with the JHL7440 dual-chip controller, it delivers ultra-fast data transfer speeds up to 40Gbps (2805MB/s read, 2734MB/s write) and supports universal compatibility across USB4, 3.2, 3.1, 3.0, and 2.0 interfaces. Perfectly tailored for M1/M2 Pro/Max Macs, iPad Pro, Windows, macOS, and Linux users, it combines portability with professional-grade performance for seamless, high-speed storage on the go.






| ASIN | B0BBZT42HC |
| Best Sellers Rank | #120,076 in Computers ( See Top 100 in Computers ) #541 in Enclosures |
| Brand | FREEGENE |
| Built-In Media | enclosure |
| Color | Space grey |
| Compatible Devices | Laptop |
| Customer Reviews | 4.3 4.3 out of 5 stars (515) |
| Data Transfer Rate | 600 Megabytes Per Second |
| Enclosure Material | Aluminum |
| Hard Disk Form Factor | 2.5 Inches |
| Hardware Interface | USB |
| Hardware Platform | Windows |
| Item Dimensions L x W x H | 10L x 6.1W x 1.5H centimeters |
| Item Weight | 0.16 Kilograms |
| Manufacturer | FREEGENE |
| Memory Storage Capacity | 8 TB |
| Supported Devices Quantity | 1 |
A**ー
「MP600 PRO XT CSSD-F8000GBMP600PXT」を内蔵して使っています。8TB と正常に認識されています。このNVMEは両面実装なので、その配慮もあると、もっと良かったです。
A**R
Works great speeds nearly 4,000Gbps great value
R**A
I’m thoroughly impressed with the ACASIS 40Gbps M.2 NVMe SSD Enclosure. The speed is outstanding—file transfers are incredibly fast and efficient, exactly what you’d expect from a 40Gbps-capable device. I’ve used it with several SSDs, and performance has been consistently smooth and reliable. The aluminum build is solid and professional, keeping the drive cool even during extended use. Setup was truly plug-and-play, and it worked seamlessly across my Mac and Windows devices. After 6 months of regular use, I can confidently say that I haven’t encountered a single issue. Whether for backups, large file transfers, or portable storage, this enclosure delivers top-tier performance and durability. Highly recommended for anyone who wants reliable, high-speed external SSD access.
B**N
I am using a pair of these SSD enclosures to provide 4TB (main data storage) and 8TB (TimeMachine backups). I have these guys configured as RAID-0 storage for speed. Speed is > 2GB/sec and < 3GB/sec for large sequential file copying. I wanted to keep costs down, so instead of getting TB5 enclosures and TB5 rated SSD chips, I got the less expensive TB4 versions. Plenty fast enough for my purposes. When push comes to shove, TB4 is just as good as TB5 for random access I/O - which is what 90% of my workload consists of. Make sure to turn on the fans (there is a button). When I ran my first TimeMachine backup, the 8TB enclosure got hit. The fan cooled it off VERY nicely. These enclosures can be daisy chained. I have the 8TB connected after the 4TB. Very nice. Dead quiet. Have been using these guys for about 2 months with no issues. Value for $$$ is excellent. I recommend for anyone serious about using SSD for their main data storage and first level backups. I have used these guys on a 27” iMac and am currently using them on a Mac Studio.
R**L
Performance is good. Works as expected. Value for money. Enclosure quality is also good.
Trustpilot
1 month ago
1 month ago