Specification: Origin: Mainland China Type: Cable Adapter Package: Yes Type: adapter card, adapter card with shell (optional) Shell material: aluminum alloy Supported hard drives: M.2 NVME, M.2 NGFF* Slot: U.2(SFF-8639) System: for Windows8/10/Linux Product size: 104.00x74.00x7.00mm Product size: 4.09x2.91x0.28inch Note: U.2 interface (not USB2.0, nor SATA) The U.2 interface, also known as SFF-8639, is an interface specification launched by the SSD Form Factor Work Group. U.2 not only supports the SATA-Express specification, but is also compatible with SAS, SATA and other specifications. Therefore, you can think of it as a four-channel version of the SATA-Express interface. Its theoretical bandwidth has reached 32Gbps, which is no different from the M.2 interface. 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 Adapter Card 1 X Adapter Card With Case 1.High-Speed Performance: This M.2 SSD to U.2 adapter leverages PC-E3.0X4 standard with NVMe protocol support, offering a significant leap in speed performance up to 32Gbps. This ensures high-speed data transmission, lowers latency, and reduces power consumption, making it an efficient tool for any tech savvy user. 2.Robust and Sturdy Design: Crafted from aluminum alloy, this M.2 NVMe SATA-Bus NGFF SSD to PCI-e U.2 SFF-8639adapter is resistant to wear and pressure. This robust construction provides constant protection to your hard drive, ensuring it remains safe even under stressful conditions. 3.Superior Heat Dissipation: The metallic outer casing of this PCIe M.2 adapter converter assists in heat dissipation, safeguarding your hard drive from overheating. This feature helps maintain stable read-write operations, ensuring optimal performance at all times. 4.Extended SSD Lifespan: By providing effective heat management, this hard disk adapter card contributes to extending your SSD's lifespan. This added advantage gives you peace of mind, knowing that your valued data is well-protected and your SSD will serve you longer. 5.Energy Efficient: With its low power consumption design, this M.2 NVME SSD To U.2 SFF-8639 adapter is not only performance-oriented but also energy efficient. This makes it an ideal choice for users who value high performance without compromising on energy efficiency.