A 3D SSD is a solid state drive consists of 3D integrated NAND Flash memories, DRAMs and a NAND controller. A 3D SSD with enhanced write speed of 4.2Gbps was reported in 2010.
3-D SSD with boost converter and TSVs
3D SSD with boost converter and TSVs 
- T. Hatanaka, K. Ishida, T. Yasufuku, S. Miyamoto, H. Nakai, M. Takamiya, T. Sakurai, and K. Takeuchi, “A 60% higher write speed, 4.2gbps, 24-channel 3D-Solid State Drive (SSD) with NAND flash channel number detector and intelligent program-voltage booster,” in 2010 Symposium on VLSI Circuits, 2010, pp. 233–234. Available: http://dx.doi.org/10.1109/VLSIC.2010.5560284
- K. Johguchi, T. Hatanaka, K. Ishida, T. Yasufuku, M. Takamiya, T. Sakurai, and K. Takeuchi, “Through-Silicon Via Design for a 3-D Solid-State Drive System With Boost Converter in a Package,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol. 1, no. 2, pp. 269–277, Feb. 2011. Available: http://dx.doi.org/10.1109/TCPMT.2010.2101930