HP Solid-State Drive 406L8AA 512GB PCIe NVMe TLCHP 512GB PCIe NVMe TLC SSD, 406L8AA 512GB PCIe 4x4 NVMe TLC SSD Increase your memory capacity with the HP 512GB PCIe 4x4 NVMe TLC SSD, which eliminates mechanical bottlenecks for high performance thanks to the absence of moving parts and helps protect your data. Specifications for 406L8AA Features Component for PC Interface PCI Express 4. 0 Memory type TLC NVMe Yes SSD capacity 512 GB SSD form factor M. 2 Package dimensions Depth (packaged, cm) 12 cm