Western Digital SN740 2TB NVME PCie Gen4 2230 form factor (Single-sided). Brand new drives with 0 hours powered on and 0GB read/writes. 100% tested and guaranteed to work. Perfect Upgrade options with the following compatible devices. Any Dell/HP/Lenovo laptops that use 2230 PCIe NVMe drives (message us with your SSD model if you’re unsure). Surface Laptop 3 & 4. DOES NOT WORK IN SP8 – Gen4 drives cause the SP8 to constantly crash and BSOD. A few drives we tested appeared to work in the short term while others did not and immediately crash. Appeared random; we could not tell why some worked and most did not. 2 TB 3D NAND. PCIe Gen 4, NVMe 1.4b (Compatible with all PCIe Gen 3 slots and systems). Sequential Read Performance =. Up to 5150 MB/s. Sequential Write Performance =. Up to 4850 MB/s. NVME SSDs are not compatible in all machines. Please double check your machine has a compatible NVME M. Message us if you have trouble checking or have additional questions. E the factory seal is not broken, or excess usage.