Toshiba Unveils Single Package NVMe SSD With 64-Layer, 3D Flash Memory
Toshiba Memory Corporation, the world leader in memory solutions, today announced the launch of the BG3 series, a new line-up of single package NVM Express (NVMe) client SSDs integrating Toshiba Memory Corporation’s cutting-edge 64-layer, 3-bit-per-cell (TLC) BiCS FLASH and controller in a ball grid array (BGA) package. Sample shipments to PC OEM customers start today in limited quantities, and Toshiba Memory Corporation will gradually increase shipments from the fourth calendar quarter of this year.

The new BG3 series SSDs utilizes the features of PCI EXPRESS (PCIe) Gen3 x 2lanes and NVMeTM Revision 1.2.1 architecture. They are also equipped with a Host Memory Buffer (HMB) feature, which uses the host memory to substitute for DRAMs, saving power and space, and supporting developers of compact devices who must achieve a balance between high performance and low power consumption. Also, the combined benefits of SLC cache features, improved flash management and flash memory performance add up to deliver performance of up to 1520MB/s sequential read and 840MB/s sequential write.
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Western Digital Corp. today announced its successful development of four bits per cell, X4, flash memory architecture offering on 64-layer 3D NAND, BiCS3, technology. Building on its pioneering innovation of X4 for 2D NAND technology and past success in commercializing it, the company has now developed X4 for 3D NAND by leveraging its deep vertical integration capabilities. These include silicon wafer processing, device engineering to provide sixteen distinct data levels in every storage node, and system expertise for overall flash management. BiCS3 X4 technology delivers an industry-leading storage capacity of 768 gigabits on a single chip, a 50 percent increase from the prior 512 gigabit chip that was enabled with the three bits per cell (X3) architecture. Western Digital will showcase removable products and solid-state drives built with BiCS3 X4 and systems capabilities in August at the Flash Memory Summit in Santa Clara, California.