The PCIe x1 M.2 NVMe SSD Adapter is a low-profile and full PCIe-X1 card designed for personal computers. It is compatible with both PCIe 3.0 and 4.0 versions, featuring a PCI Express x1 hardware interface. With dimensions of 4.75"L x 1.19"W x 0.75"H and a weight of 0.044092 pounds, this adapter is suitable for use with Linux and Windows 7 operating systems. It comes with a warranty of 90 days from the date of purchase, making it a reliable and efficient choice for enhancing your computer's performance.