Features: 1. Allows you to install 2.5 inch PCIe-NVMe U.2 SSD (like for Intel SSD 750 U.2) on PC system via slim PCIe 4.0 x4 card. 2. 1 x mini-SAS HD female connector (SFF-8643, 36 pin). System requirements: Empty PCIe 4.0 or PCIe 3.0 x4, x8, or x16 slots. 3. Transparent to the operating system and no drivers required. Support for Windows 10/8, for Windows Server 2012 R2, for Linux series, for Fedora, for SUSE, for Red Hat. 4. For OS X 2009, 2010 and 2012 models with High for Sierra OS installed, supports PCIe-NVMe SSD. 5. Convert the 2.5-inch PCIe-NVMe U.2 SSD to work in the PCIe x4 bus slot of the motherboard. PCIExpress 4.0 x4 Lane Host Adapter. 6. Support for PCIe 4.0 and PCIe 3.0 motherboards. Support for PCIe L1 power management substate via CLKREQ. 7. Low profile PCIe form factor. On-board low-profile PCIE support and full-size bracket included. Specifications: Item Type: SFF-8643 to PCI-E 4X Adapter Material: PCB System Requirements: Empty PCIe 4.0 or PCIe 3.0 x4, x8 or x16 slots Supports PCIe 4.0 and PCIe 3.0 motherboards Connector: 1 mini SAS HD (SFF-8643, 36 pin) female Package List: 1 x SFF-8643 to PCI-E 4X Adapter 1 x Screwdriver 4 x Screws 1 x Bracket