This M.2 to U.2 Adapter turns the connector for a M2 PCIe SSD into a 36-pin SFF-8643 connector. This allows connecting the high performance 2.5" NVMe U.2 (SFF-8639) SSD to system via a SFF-8643 cable. Features: Add U.2 PCIe NVMe SSD performance to your desktop computer or server by connecting a U.2 SSD to an M.2 PCIe x4 host interface Supports one U.2 PCIe NVMe SSD with a Mini-SAS HD SFF-8643 connector Boost system performance by adding an enterprise-class U.2 PCIe NVMe SSD to your PC or server M2 PCIe SSD and M2 SATA SSD use the same type of connectors,The adapter is designed to work on only on M2 connectors that are designed for M2 PCIe SSD No drivers required for this converter Compatible with current PCIe standards and backward compatible with earlier releases Advantages: 1.Optimize your system performance by harnessing the increased speed and low latency of a U.2 PCIe-NVMe SSD 2.The U.2 to M.2 adapter is ideal for IT professionals, system integrators and installers, and enthusiasts who are building or upgrading a server or desktop computer. 3.The U.2 to M.2 adapter works with all desktop PCs and servers that have an M.2 PCIe x4 host interface. No drivers or software required for installation. Interface M.2 M-Key Connector Compatible Drive U.2 (PCIe NVMe SSD, SFF-8639) CONNECTOR(S) Connector SFF-8643 ENVIRONMENTAL PARAMETER Humidity 15% ~ 90% Operating Temperature 5°C to 50°C (41°F to 122°F) Storage Temperature -25°C to 70°C (-13°F to 158°F) PHYSICAL CHARACTERISTICS Dimension 80mm*22mm