Toshiba Announces New XG6 NVMe SSD with 96-layer3D NAND 2960MB/s Read

Toshiba will be introducing their first SSD using 96-layer 3D NAND, the drive using this NAND is the Toshiba XG6 which is an update to their XG5 NVMe SSDs for OEMs, the XG5 was never released to the general public, but we hope this drive will be.

Toshiba Announces NVMe SSD With Rated Speeds Of Up To 3180MB/s Reads 2960MB/s Writes

The Toshiba XG6 is still using the Toshiba TC58NCP090GSD which is exact same controller as the XG5, meaning the improvements are due to the new 96-layer NAND flash along with some firmware optimizations. The new 96-layer 3D TLC supports Toggle NAND 3.0 interface speeds at around 667-800MT/s which when compared to the 400-533MT/s speeds used by earlier 3D NAND from Toshiba is quite the upgrade, this allows data to be moved between the controller and the NAND more quickly unfortunately though, Toshiba didn't disclose the exact speed used on the XG6.

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The 96-layer NAND itself has shorter read and program times than the 64-layer BiCS3 TLC, which means the faster interface will not be wasted. The NAND page size remains the same increased, and there is no extra overhead for managing small IO sizes when compared to the XG5.

“Toshiba Memory is at the forefront of 3D flash memory development with the 96-layer BiCS FLASH. SSDs pose the most formidable flash design challenge, and becoming the first company in the world to bring an SSD to market with the most advanced flash node is an achievement that is only possible due to our years of commitment to advancing SSD technology.”

Jeremy Warner - Toshiba Memory’s vice president of SSD marketing and product planning,

Toshiba plans on using the XG6 Series to push their other products to 96-layer NAND technology. The drive is an M.2 2280 single-sided form factor PCIe 3.0 x4 and is the NVMe revision 1.3a protocol. Toshiba claims this drive is aiming at hitting the sweet spot between power consumption and performance. The power draw on this drive hits a maximum of 4.7W with idles at 3mW while still hitting 3180MB/s reads and writes of 2960MB/s and random read speeds are stated as up to 355,000 IOPS, with random write speeds of up to 365,000 IOPS. This is incredibly impressive and will be on display at FMS this year.

Toshiba says they are currently sampling to OEMs and it will be available in notebook computers soon replacing the XG5, as for the retail side Toshiba never released a drive based on it but we can hope they base a retail version to replace the OCZ RD400 which was based on the XG3 SSD.

Source: Anandtech

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