NVMe 1.4 support SMI Controller Excellent read/write performance 5,000/4,500 MB per second. Note: Backward compatible with PCIe 3.0. If a third-generation PCIe motherboard is used, this product will be able to achieve sequential read/write speeds of 3400/3000MB per second Heat sink keeps SSD 15% cooler for optimal performance and stability With LDPC (Low Density Parity Check Code) and AES 256-bit encryption, the LEGEND 850 ensures accurate data transmissions and security LEGEND series SSDs use only high quality ICs that have been rigorously tested. Drive your creativity with sustained read/write speeds of up to 5,000/4,500 MB per second on the latest Intel and AMD platforms. Note: Backward compatible with PCIe 3.0. If a third-generation PCIe motherboard is used, this product will be able to achieve sequential read/write speeds of 3400/3000MB per second.