Rosewill 40Gbps M.2 NVMe SSD Enclosure with Cooling Fan, Transparent Back Plate, Support M.2 NVMe SSD up to 8TB, Compatible with Thunderbolt...

Supports up to 40Gbps speed via USB4, transferring 3GB files in 1 second. Tested on Thunderbolt 4 laptops, achieving 3700MB/s read and 3100MB/s write, 3x faster than common USB 3.2 enclosures Built-in silent cooling fan, dual-end airflow vents, plus included thermal pad and SSD heatsink-optimized cooling from both the enclosure and the SSD itself, keeping speeds stable even under heavy loads Supports M-Key NVMe SSDs in sizes 2230/2242/2260/2280, with up to 8TB capacity. Compatible with USB4, Thunderbolt 3/4 host devices at speeds up to 40Gbps, and backward compatible with USB 3.2/3.1/3.0 ports up to 10Gbps Compatible with USB4 and Thunderbolt 3/4 hosts (Mac M1/M2 and Intel 12th generation or newer). Older Thunderbolt versions and some USB ports may not support full 40Gbps speed M.2 NVMe PCIe SSDs (M Key & B+M Key) in sizes 2230, 2242, 2260, and 2280 Support macOS and Windows OS