Specification: Origin: Mainland China Type: PCI-E Riser Model Number: Hard Disk Adapter Size: 10x5x2cm/3.94x1.97x0.79inch Supported Hard Drives: MKey/BKey Hard Drive Transfer speed: 32Gbps (NVME),6Gbps (NGFF) Support System: for Windows Mac Linux 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: 1 x Full Height Stopper/Half Height Stopper(Optional) 2pcs x Locking Baffle Screws 1 x Chassis Screws 2pcs x Solid Plate Studs 2pcs x Locking Disc Screws 1 x Screwdriver 1. Versatile Compatibility: The M.2 NVMe NGFF SSD to PCIe SATA Dual-Disk SSD to PCI-E adapter card measures approximately 10x5x2cm in size. Its compact dimensions make it suitable for a wide range of computers and devices. The adapter supports MKey/BKey hard drives, making it compatible with various types of M.2 SSDs. MKey drives are typically NVMe protocol solid-state drives, while BKey drives are SATA protocol solid-state drives. 2. High-Speed Transfers: For MKey drives that support the NVMe protocol, the transfer speed can reach up to 32Gbps, providing an incredibly fast data transfer rate. This high speed of hard disk adapter helps boost system performance and file transfer speeds. For BKey drives that support the SATA protocol, the transfer speed is 6Gbps, which is the typical SATA 3.0 transfer rate. 3. Wide Compatibility: This riser card offers broad compatibility, supporting operating systems such as Windows, Mac, and Linux. This means it can be used with different types of computers and devices, whether they are desktops or laptops. 4. Dual-Drive Installation: With this expansion card, users can install two M.2 hard drives simultaneously on one computer, allowing for expanded storage capacity or the creation of multiple hard drive configurations. This convenience is ideal for users who require larger storage space or need to meet different requirements by using different types of hard drives. 5. Efficient and Flexible Storage Solution: By utilizing this SSD to PCI-E converter, you can efficiently manage your storage needs. Whether you want to increase your overall storage capacity or create a configuration with different types of hard drives, this adapter provides the flexibility and convenience required.