Performance of the Kingston NV2 250GB M.2 PCIe 4.0 NVMe SSD Gen 4x4 NVMe PCIe Perfect for small-form-factor PCs and laptops Not included is cloning software. PCIe 4.0 x4 NVMe Interface, Form factor M.2 2280, Capacity 250GB, Endurance 80TB Measurements: 22 x 80 x 2.2 mm Read/write sequentially at 1 3,000/1,300 MB/s Click Here for Additional Information. 250GB M.2 PCIe 4.0 NVMe SSD Kingston NV2 Better performance for systems and notebooks that are thinner A Gen 4x4 NVMe controller powers Kingston's NV2 PCIe 4.0 NVMe SSD, a sizable next-generation storage solution. With read/write speeds of up to 3,500/2,800 MB/s 1 and reduced power and heat requirements, NV2 helps maximize system performance and provide value without compromising. The small, single-sided M.2 2280 (22x80mm) design allows for up to 2TB of storage expansion.