NEW PM991 1TB NVMe M. 2 2230 SSD For Microsoft Surface Pro X & Pro 7, Laptop 3 & 4. PCIe Gen3X4 Nvme v1.4. Available Space 953.87GB. 2 NVMe PCIe SSD Drive. Tested Working 100% And Guaranteed To Work 100% Health. Please Note It Is Short 2230 Drives. The Available Space Of This SSD is 953.87GB (Other WD CH SN530 SSD Is Only 867GB, Our SSD Has 87GB More Space). Working On Microsoft Surface The Read & Write Speed Is Faster Than WD CH SN530 SSD, As It Is PCIe Gen3x4 SSD. These Are NOT Compatible In All Machines!! Please Double Check That Your Machine Has A Compatible NVMe M. It Is Your Responsibility To Ensure This Works With Your System. Don’t Hesitate To Ask If You Have Any Questions. You Can Use It For Your Notebook If Your Original SSD Is M. 2 NVME Interface And 2230. Microsoft Surface Pro X. Microsoft Surface Pro 7+. Microsoft Surface Pro 8. Microsoft Surface Laptop 3 & 4. Any Dell/HP/Lenovo laptops that use 2230 PCIe NVMe drives. 1 X 1TB 2230 PM991 SSD.