1TB; $499 2TB; $899 4TB; 1980 âĄSuper high speed with built-in DRAM! âĄCompared to PCIe Gen3, maximum sequential read increased by approximately 300%, and write increased by approximately 360% âĄCompared to PCIe Gen4 (without DRAM), maximum sequential read increased by approximately 150%, and write increased by approximately 145% âĄAdvanced PCIeÂź Gen4X4, NVMe 1.4 and 3D TLC NAND technology âĄFlagship-grade controller chip and stable high-performance 3D TLC NAND architecture, âĄEnhances performance while also improving durability and stability. âĄ4K LDPC + RAID ECC technology âĄEnsures data transmission accuracy and security, and extends lifespan. âĄ