Specification: Origin: Mainland China Type: Hard Drive Adapters Hign-concerned Chemical: None SSD length specification: Applicable to 2230/2242/2260/2280mm M.2 NGFF/Nvme dual-protocol SSD SSD interface: Applicable to SSDs with B key, M Key and B+M Key SATA protocol interfaces (applicable to SSDs with B key, M key and PCI e B+M Key NVMe protocol and SATA protocol interfaces), mSATA protocol SSD is not applicable Speed: Full speed 40Gbps Can two disks be used at the same time: Using PCIE+SATA to U.2 adapter card can be used at the same time, and it can also be used at the same time on server motherboards that support U.2 and SATA dual protocols, but when using 8643 to U.2 adapter cable and On ordinary motherboards with only PCIE channel but no SATA channel, only NVME SSD can be used. Product size: 100.00x70.00x8.00mm Product size: 3.94x2.76x0.31inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: M.2 SSD to U.2 Adapter 1. Dual Protocol Compatibility: This ssd adapter supports both Nvme PCIE and M.2 NGFF interfaces, providing versatile use for different types of SSDs. 2. High-Speed Transfer: Featuring a U.2 interface, the m.2 ssd to u.2 adapter delivers blazing-fast transfer speeds up to 40Gb/s, maximizing the read and write performance of your SSDs. 3. Multi-Bay Design: The pcie m.2 converter typically offers a dual-bay design, allowing simultaneous connection of two Nvme PCIE or M.2 NGFF solid-state drives for enhanced storage solutions. 4. Easy Installation and Use: The m.2 nvme sata-bus ngff ssd to u.2 sff-8639 adapter ensures a straightforward installation process. Simply insert your SSD into the enclosure and connect it to your computer's U.2 interface. 5. Multi-Platform Compatibility: The m.2 nvme sata u.2 pcb supports various operating systems, including compatible with Windows, Mac, and Linux, ensuring broad compatibility across different platforms.